The introduction of LED lamp cup
LED lamp glass is a new type of lighting fixture with LED light, constant current drive, optical lens and metal or other radiator shell with high thermal conductivity. Compared with the traditional halogen lamp cup, it has the characteristics of energy saving, low temperature, long life and color. Especially in the secondary light lens, the main use of the flashlight beam principle, the parabolic surface design, can reduce the light loss more effectively. Established through computer simulation of reflective cup Angle of light source and LED reflectors of the space structure, track light refraction, adjust the curvature of the technical parameters reflecting cover, light in order to achieve the best light intensity distribution and light cup to the functional requirement of the various beam Angle, greatly improving the LED reflective cup photosynthetic efficiency and reduced the astigmatism, the possibility of glare. The surface of the reflective surface can be coated with orange peel and bright side effect, can make the light spot more even and softer, no black hole, yellow circle. Through electroplating, the reflective glass reflects the high efficiency, the non-stripping, the high temperature.
LED (Light Emitting Diode - Chinese meaning for Light Emitting Diode) is a kind of ability to electric energy into Light energy of semiconductor, it changes the tungsten filament incandescent Light shine with the principle of energy-saving lamps sanki toner glow, and adopts the electric Light. According to the analysis, the LED features are very bright LED light bulbs and light image (19), long life, high efficiency, low radiation and low power consumption. The white LED spectrum is almost entirely concentrated in the visible spectrum, with a luminous efficiency of over 150 lm/W (2010).
High power LED, generally refers to more than 0.65 W, it also within different companies have different standards, because there is currently no formed in the field of high power LED everybody agreed industry standards. Light intensity and the lumen is bigger than small power, but also heat dissipation is big, high power now mostly single application, combined with effective cooling has a very large area of heat sink, have appeared in the integrated LED lighting matrix, but the cooling effect is not very good. The small power is about 0.06 W. Now, LED power is used in small power, the light is scattered, depending on the Angle of the LED, the Angle of the Angle is small, the Angle is not scattered, the big Angle is scattered. A flashlight in the market is usually done with a straw hat. The effect is very good. It is now concerned that some manufacturers are not heavy, and the faulty leds are used as flashlights.
Luminance (CD) flux is the total amount of light emitted by a light source to the surrounding space. The light flux emitted by different light sources is different in space. The basic unit of luminous intensity is candela, symbols for CD, which represents the light source in a certain unit steradian solid Angle (Angle of point source formation on the surface of the object) inside the luminous flux emitted. 1 CD = 1 lm / 1 sr (sr: spherical unit of solid Angle). (3). Brightness (CD/m2) is the intensity of the light from which the eye can see from a certain direction. Unit is candela per square metre (CD/m2), the symbol for the L, suggests that the light in a particular direction unit solid Angle of the luminous flux per unit area, it is equal to one square metre of a surface 1 candela luminous intensity
Color Temperature (Color Temperature) when the Color of the light emitted from light source and blackbody radiation under a certain Temperature Color photograph at the same time, the Temperature of the blackbody is referred to as the light source Color Temperature, K with absolute Temperature (kelvin, kelvin c = c + 273.15) said. Color rendering (Color rendering property) in principle, artificial lighting should be the same as the natural light, make the Color of the human eye can distinguish things right, of course, depending on the location and purpose of the lighting. The amount of light that illumines the object is called the color rendering. Usually called the "color index" (Ra). Colorability refers to the color relation of the actual color of the thing (its own color) and the color shown in a standard light source. The determination of Ra value is DIN6169 standards defined in the eight kinds of testing color in standard light source and the tested under the light source, the smaller the color difference is showed by metering source color the better color rendering. An Ra value of 100 indicates that the color shown in the light of its light is consistent with the standard light source. Hope is useful to you
