What is the electric light source technology – china Mosaic texture – Stone texture manufacturer
Use of energy acting, producing visible light source called the electric light. Use of electric illumination, known as electric lighting:
Electric lighting by light resistance of different methods can be divided into light, arc light, gas light and four light-emitting phosphors; in accordance with the specified use are divided into general lighting, partial lighting and decorative lighting into three categories: two ways of use in accordance with specified two types of continuous lighting and continuous lighting; by way of electric light into the starting voltage and auxiliary trigger two types of such adaptive.
1, electric light light-emitting method
1. Resistivity light, which is a conductor's own use of electricity resulting from the inherent resistance of thermal effects, to the heat and light way. Such as the common incandescent lamp, tungsten lamp and so on.
2. Arc light, which is a use of two electrode arc and glow discharge heat generated force method. Such as the carbon lamp.
3. Gas emission, which is a transparent glass tube into the rarefied gas and metal vapor, using two most intense heat of the gas discharge luminescence method. Such as sodium, dysprosium lamp.
4. Phosphors, which is a transparent glass tube into the thin gas or trace metals, and glass walls coated with phosphor, after discharge by diode light effects make use of gas to issue phosphor absorption an optical method. Such as fluorescent lamps.
Second, starting mode electric light source
1. Voltage adaptation, these bulbs, as long as the rated voltage can be added to it to work. Such as incandescent, Bromine tungsten lights.
2. Auxiliary trigger type. Such lamps, supply their rated voltage. It does not work, but need a higher voltage than the rated voltage of the auxiliary trigger activate before, such as fluorescent lamps, xenon lights show.
Third, common technical terms
1. Flux. It is the light in the room all the parties to the human eye can feel the light. Units of lumens (lm). It is a measure of capacity of electric light sources produce light energy is an important indicator.
2. Lumens. Luminous flux unit of measurement equal to one candle of uniform light point in a unit solid angle of luminous flux emitted within the most.
3. Luminous efficiency. It is the light source luminous flux output and input power ratio, that is, the power unit of luminous flux. Units of lumens / watt (lm / W). It reflects an important indicator of good or bad light performance.
4. Colour temperature. Light emitted by light source Yen package and a temperature blackbody radiation, the same color, then black body temperature is called the color temperature of the light source, referred to as color temperature. Absolute temperature K as unit.
5. Color rendering index. When the light source and the reference light source (standard white) and color properties of the same mass, the source of the transmission color index of 100. It is a measure of reproducibility standard white light source and a parametric capabilities.
6. Rated voltage. Electric light in normal voltage necessary work. Which require the use of voltage. Unit volt (V).
7. Rated power. Electric light sources used in the rated voltage, the input power. Units of watts (W).
8. Life power source from the beginning can not be used to light or to light but can not use while (such as serious floating arc xenon lamp) or the luminous flux output down to certain standards (such as indium lamp showing its luminous flux output can not make a good map screen reproduction as) the number of hours experienced. This parameter. Not for a light bulb, but the average life of such products.
9. Pressure gas discharge lamp lights work, the lamp voltage drop across the electrodes. Units of volts (V).
10. Trigger voltage source at rated voltage not able to start work, an applied voltage needed to start fire. The applied voltage, called the trigger voltage. Units of volts (V). Voltage triggering some occasions, also known as the breakdown voltage.
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