According to the LED lighting function, it can be divided into two types: general lighting and local lighting.
1. General lighting
General lighting lamps are usually evenly arranged above or on the side wall of the work site to illuminate the entire work surface, requiring the use of larger power incandescent lamps, tungsten halogen lamps, high-intensity gas discharge lamps or a large number of fluorescent lamps, of course, there are Compared with energy-saving high-power LED industrial and mining lamps , most industrial and mining lamps belong to this category. General lighting has higher requirements on the distribution of light, and two types of light distribution, direct lighting type and semi-direct lighting type, are widely used, especially the latter. In the semi-direct lighting type, part of the light emitted upwards illuminates the ceiling, which can increase the brightness of the ceiling and create a more comfortable and brighter environment.
2. Partial lighting
Local lighting is a lamp that increases the illuminance of a certain working part. Its function can be to strengthen and supplement lighting on the basis of general lighting, or it can be used as temporary lighting in some places that do not need lighting at ordinary times (such as equipment inspection and maintenance places). There are mostly no strict regulations on their light distribution. Local lighting is usually installed near the work area, with incandescent lamps and halogen tungsten lamps using safety extra-low voltage (≤50V, AC RMS) as light sources. There are (portable) running lights, hanging lights, work desk lights, machine tool work lights, etc. In some tall factory buildings, spotlights are sometimes used for local lighting.
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