Application of LED in Indoor Lighting Engineering
The emergence of LED has broken the traditional light source design methods and ideas, and there are two new design concepts. Lighting unit luminous flux: the energy that the light source radiates to the surrounding space and causes vision in unit time, called luminous flux, expressed in Φ, and the unit is lumens (Lm). The luminous flux radiated by a light source within a unit solid angle in a specific direction is called the luminous intensity of the light source in that direction, or simply light intensity. It is represented by the symbol I, the unit candela (Cd), I=Φ/W. The luminous flux received on a unit surface is called illuminance, represented by E, in unit lux (Lx), E=Φ/S; the luminous intensity of a luminous body on a unit projected area in a given direction is called brightness, represented by L, unit Candela per square meter (Cd/m). When the color of the light source is the same as the color emitted by the black body heated to a certain temperature, it is called the color temperature of the light source, or color temperature for short.
Common parameters of LED lights: luminous flux The light emitted by the light source in a unit time is called the luminous flux of the light source, which is represented by φ, and the unit name is lm (lumens). Light Intensity The luminous flux emitted by a light source in a unit solid angle in a given direction is defined as the light intensity of the light source in that direction, denoted by I.
The application of LED in indoor lighting engineering is mainly concentrated in the field of commercial lighting, mainly decorative lighting: indoor commercial atmosphere lighting such as mid-to-high-end specialty stores, shopping malls, energy saving, environmental protection, and no ultraviolet rays, catering to some businesses to display personalized lighting The psychology of the environment has become the preferred light source for some businesses to display some special products; its full-spectrum color range is very suitable for setting off the atmosphere of specialty stores and shopping malls, and the advantages of LED light sources in local lighting, accent lighting and area lighting can It creates a high-quality light environment unmatched by other traditional lighting electric light sources, and is very suitable for commercial lighting. At this point, price becomes a secondary consideration.
Entertainment places, beauty salon lighting LED integrated light source is full-color and easy to control, can create static and dynamic lighting effects, from white light to any color of the full spectrum, rendering a strong entertainment atmosphere, the appearance of LED for this kind of space environment The design of the interior opens up new ideas.
Atmosphere lighting LED light sources in bars, cafes and other leisure places are small in size and solid-state light, giving lamp manufacturers unlimited space to play, and can professionally produce various styles of LED full-spectrum colors and dynamic and static lighting effects. Let its decorative and mood-making functions manifest itself in this type of place.
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