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What Kind Of Lights Are Used in The Stadium?
Date:2021-9-28 Publisher:
What kind of light is most suitable for sports fields? This article will find the most true answer for you.

1. Three main factors affecting the lighting effect of the stadium

The main factors affecting the lighting effect of the stadium are: light uniformity, color temperature of LED stadium lights, and excellent color rendering index.

1.1 The uniformity of light. The more uniform the light distribution, the better the illuminance and the more comfortable the visual experience. The closer the illuminance uniformity is to 1, the better; on the contrary, the smaller it is, the more visual fatigue. Illuminance uniformity = minimum illuminance value/average illuminance value, the minimum illuminance value is calculated according to the point-by-point calculation method. Formula: U0=Emin/Eav, U1=Emin/Emax, U2=1-((Emax-min)/Eav)

1.2 The color temperature of LED stadium lights. Color temperature is a unit of measurement that indicates the color components contained in light. Color temperature is a unit of measurement that indicates the color components contained in light. Theoretically speaking, the black body temperature refers to the color of the absolute black body after being heated from absolute zero (-273°C). After the black body is heated, it gradually turns from black to red, turns yellow, turns white, and finally emits blue light. When heated to a certain temperature, the spectral component of the light emitted by the black body is called the color temperature at this temperature, and the unit of measurement is "K" (Kelvin). The warm white range is generally 3000-3200K, the normal white range is generally 6000-6500K, the natural white range is generally 3500K~4500K, and the cool white range is above 8000K. Sports lighting (such as table tennis court lighting, billiard lighting) requires natural white lighting. The color temperature is about 4000K, and the color temperature of football and basketball courts is between 5000K and 5700K. The color temperature of hishine stadium lights can meet all sports lighting needs.

1.3 Excellent color rendering index. In order to achieve a good color TV broadcast effect, the lighting quality of the stadium is not only related to the illuminance, but also closely related to the color temperature and color rendering of the lighting source. Article 3.3.2 of my country's "Civil Building Lighting Design Standard" GBJ133-90 stipulates that the color rendering index Ra of general light sources for color TV broadcasting should not be less than 65. According to the requirements of CIE NO.83 and FIFA, the light source The correlated color temperature Tc is greater than 5000K and the light source color rendering index Ra is greater than or equal to 80 to achieve the best on-site lighting effects and color TV broadcast effects.

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