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What is the primary function of lighting equipment?
Release time：2024-09-26
Lighting fixtures consist of a light source, a lampshade, and accessories.
A. Lighting fixtures are classified into two categories based on their functions: decorative lighting and functional lighting.
1. Decorative lighting, through the combination of decorative components and light sources, seeks not only to meet requirements such as lighting efficiency and glare control but, above all, to satisfy architectural aesthetics by achieving visually appealing forms.
2. The function of luminaires is to redistribute the luminous flux of the light source, enhance lighting efficiency, and prevent glare, thereby creating an appropriate lighting environment. In special environments where lamps are exposed to moisture, corrosive substances, explosive atmospheres, or flammable materials, the lampshade also serves to provide isolation and protection.
Secondly, lighting equipment is classified into two categories based on its application: indoor lighting and outdoor lighting.
1. Indoor lighting fixtures are typically classified according to the proportion of total luminous flux distributed between the upper and lower hemispheres of the space. Accordingly, the International Commission on Illumination recommends dividing lighting fixtures into five categories: direct, semi-direct, uniform diffused, semi-indirect, and indirect. The table below illustrates the light distribution and illumination characteristics of different types of luminaires.
2. Outdoor lighting primarily consists of floodlights. Floodlights, also known as spotlights, are high-intensity light sources that use reflectors, lenses, and grilles to confine the beam within a narrow three-dimensional angle; they are commonly employed for nighttime illumination of large buildings.
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