The net effect of lighting space and light,
Especially the LED tube lamp)
Of the intimate association, lighting show, is undoubtedly the capability of LED lighting lamps and lanterns, the LED spotlights, commercial ceiling lamps lighting lamps and lanterns, cloth lamp and choice, need professional simulation and implementation, make space more fan illumination design must be deal with light distribution curve.
What about the light distribution curve, how much do you know?
In the effect of lighting and lighting lighting design, what effect does it have?
Before explain this concept, must first understand: light intensity is what?
Space in a particular direction unit solid Angle of emission flux (
Or lamps and lanterns lighting capacity, the size of the unit is the lumens)
, is the light intensity, the unit is the candela.
So the unit solid Angle how much?
Suppose you have a sphere with a radius R, by definition, unit solid Angle is a sphere area of R2 boundary and its attachment form on the surface of the solid Angle.
The entire surface area of the sphere is 4 PI R2, so the whole space there were only 4 PI (
About 12.
57)
A unit solid Angle.
Lighting light source or the LED lamps and lanterns, the entire space of all directions intensity vector vertex, a arrow to form a three-dimensional intensity envelope.
And light distribution curve, is actually the envelope by light-emitting section in the center of the border.
If you want to know the matching of light source of lamps and lanterns, in a certain direction of the actual light intensity value, as long as the light distribution curve under the Angle of light intensity values divided by the K value.
Has eliminated the generation of light source incandescent lamp has a variety of different power for the user to select, such as 25 w, 40 w, 15 w, 60 w, 100 w, etc.
For the convenience of production and exchange, they are usually designed to be unified lamp holder, is one of the most common screw E27.
Although each corresponding flux power source is different, but their luminous point location is almost the same.
Manufacturer of lamps and lanterns designed LED spotlights, commercial ceiling lamps lighting lamps and lanterns, usually can be equipped with all sorts of different power source, and can only draw a light distribution curve and applies to all optional light source!
In meet the light at the same time, reasonable cloth lamp (
Especially the
led downlights)
Also need to master the key, in the lighting design when choosing lamps and lanterns of LED spotlights, commercial ceiling lamps and so on, solid knowledge of light distribution curve, can make the show more professional lighting effect and appreciation!
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