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What is the difference between point light source and surface light source
- date： 2021-12-01
- category： Industry knowledge
- click：
1. The difference between point light source and surface light source
The terms point light source and plane light source are relative
The light source is far away from the receiving side, and the light you receive can be close to parallel lines, so this light source can be called a surface light source; For example, when the sun shines on us, the light from our hands and feet can be considered parallel, the light from our whole body is parallel, and we say that the light we receive is from a surface source;
When the receiving source is changed to the Earth and the moon, or is changed to the Pacific Ocean and the Himalayas, this time, the light to the receiving side of the two sides, the Angle difference is very big, can not be ignored, called the emission source is the point light source;
Line illuminant also is some, for instance fluorescent lamp, the light that differentia emits on illuminant arrives the same point on some object, there is angular difference between the light, call illuminant for line illuminant at this time.
2. Point light source parameter description
1. Electrical characteristics
Including volt-ampere characteristics, permissible power consumption, response time, capacitance-voltage characteristics, etc.
2, optical performance characteristics
Including spectral characteristics, light distribution characteristics, mainly for brightness or lumen value, light decline, failure rate, light efficiency, consistency and optical distribution characteristics. Usually, peak wavelength and half brightness are used to describe the spectral distribution of spectral characteristics.
3. Thermal characteristics
Reflect the junction temperature change, thermal resistance and other heat-related characteristics.
Adopt high brightness LED as light source, long life, low function, die cast aluminum lamp body, PC lamp shade, green environment protection.
Like the stars in the sky, give people infinite reverie.
Using the principle of dot matrix combination, using LED computer digital program controller system, the realization of different types of animation (Gif, Flash), dot matrix text, graphics (JPG, BMP), and various lighting effects.
3. Installation method of point light source
1. Buckle screw installation: buckle is locked on the wall, and then the lamp is stuck into the buckle;
2, buckle glue installation: buckle user external engineering glue is glued to the installation wall, and then the lamp is stuck into the buckle;
3, buckle pull wire installation: buckle card into the steel wire, and then the lamp card into the buckle can be;
4, profile lock bracket installation 1) : the two installation bracket according to the spacing lock in the installation wall, with screws to lock the lamp on the aluminum profile, and then lock the lamp profile lock in the installation bracket can be;
Profile lock bracket installation 2) : two installation bracket according to the spacing lock in the installation wall, with a connection buckle the lamp card aluminum profile, and then the fixed lamp profile lock in the installation bracket can be;
Profile lock bracket installation 3) : two installation bracket according to the spacing lock in the installation wall, with card lampshade lamp clamp to the aluminum profile, and then the fixed lamp profile lock in the installation bracket can be;
5, profile lock wall installation 1) : lock the lamp with screws on the aluminum profile, and then lock the lamp profile lock on the installation wall can be;
Profile lock wall installation 2) : : with the connection buckle the lamp card aluminum profile, and then the fixed lamp profile lock on the installation wall can be; Profile lock wall installation 3) : with card lampshade lamp screw card to the aluminum profile, and then the fixed lamp profile lock on the installation wall can be;
6, for the non-plane installation, like the cable on the bridge, can be installed in the form of hoop: lock the hoop in the large diameter cable, and then lock the aluminum profile with lamps and lanterns on the hoop