1. Importance of stadium lighting
For a modern stadium, it is not only required that the building appearance is beautiful and generous, all kinds of sports equipment are complete and perfect, but also required to have a good lighting environment, that is, suitable and uniform illumination and brightness, ideal light color, three-dimensional sense and no glare, etc. In addition to meeting the good visual effect of the audience, it is also necessary to ensure the lighting requirements required by referees, athletes and competition events, as well as good TV broadcasting effect.
Lighting is to rely on the function of light, to ensure that the light acts on the eyes of athletes, referees and spectators, to produce vision, so as to see everything on the sports ground, such as the light and shade of the site environment, the color of the surface of objects, buildings, appliances and clothing, the shape and size, depth, three-dimensional sense of the viewing target, the state of athletes when they are playing sports and the atmosphere of the stadium, etc. Therefore, good lighting plays an important role in modern stadium.
Generally, in the lighting design of a stadium, the following three factors should be considered:
1. Meet the visual requirements of athletes in sports competition, and minimize the objective impact of lighting on the competition.
2. To meet the visual requirements of the audience and minimize the discomfort caused by the lighting when watching the game.
3. Meet the lighting requirements of color TV relay and improve the quality of relay as much as possible.n a word, lighting is closely related to the competition requirements of sports events and the visual effect of spectators. A stadium without good lighting facilities is an incomplete stadium, which will seriously affect its use function.
2、 Standard for stadium lighting design
In order to get a good lighting design scheme and use the distribution of light reasonably to meet the requirements of athletes, spectators, referees' vision and good TV broadcasting effect, it is necessary to determine the lighting standards first, including illuminance standards and lighting quality standards. Lighting quality standards, including glare, light source color temperature requirements, light direction, energy saving requirements.
3、 Calculation of stadium lighting design
There are three methods to calculate the illuminance of stadium lighting design: one is the estimation method of unit area capacity; the other is the calculation method of average illuminance, which is used to calculate the average illuminance of the illuminated surface; the third is the point by point calculation method, which can accurately calculate the illuminance of a certain point.
4、 Classification and arrangement of stadium lighting
In the lighting design, appropriate lamps should be selected according to the specific situation. Generally, for the side lighting mode, there are three methods to calculate the illuminance of the stadium lighting design when the utilization coefficient of fan-shaped B or C floodlights is higher: one is the estimation method of unit area capacity; the other is the average illuminance calculation method to calculate the average illuminance of the illuminated surface; the third is the point by point calculation method, which can accurately calculate the illuminance of a certain point.5
5、 Stadium lighting control
The main form of lighting control for stadium and audience is centralized control by computer console in the special lighting control room. The computer console is in the form of man-machine dialogue. It is equipped with analog panel for light position arrangement, single control panel for light, group control switch, etc. the layout of single control panel for light shall correspond to the analog panel for light position arrangement.
6.It can be controlled automatically or manually. The computer can simulate the on-site lighting state, automatically control and detect whether the lamps work normally, and feedback the position of the fault lamp group. Different control schemes can be set according to the actual needs to meet the different requirements of different competition contents and activities on the illuminance and the different needs of different competition levels of the same sports project on the illuminance. Several lighting schemes are determined in advance, stored in the computer after programming, and the corresponding lighting schemes are called according to different needs.