A partial illuminator is a luminaire that increases the […]
A partial illuminator is a luminaire that increases the illumination of a working part. Its function can be to strengthen or supplement the lighting on the basis of general lighting, or it can be used as temporary lighting in places where lighting is not required (such as equipment repair and maintenance). Most of their light distribution is not strictly regulated. Partial illumination lamps are usually installed near the work area to use incandescent lamps and halogen lamps with safety extra low voltage ≤ 50V and AC rms as the light source. There are (hand-held) line lights, hanging lights, work table lights, machine work lights, and so on. In some tall buildings, spotlights are sometimes used for local illumination.
General lighting is usually evenly placed on the upper or side wall of the work site. Lighting the entire working surface requires the use of high-power incandescent lamps, tungsten halogen lamps, high-intensity discharge lamps or a large number of fluorescent lamps. Most of the mining lamps are of this type. Generally, the illumination lamp has high requirements on the distribution of light, and the two types of light distributions of direct illumination type and semi-direct illumination type are widely used, especially the latter. A part of the semi-direct lighting type illuminates the ceiling, which increases the brightness of the ceiling and creates a more comfortable and brighter environment.