The energy-saving lamp is actually a compact fluorescent lamp with a ballast. When the energy-saving lamp is ignited, it is first heated by the electronic ballast to the filament of the lamp, and the filament is emitted at the beginning (because some electronic powder is coated on the filament). The electron collides with the argon atoms in the lamp tube. After the collision of the argon atoms, energy is generated and the internal mercury atoms are struck. After the energy is absorbed by the mercury atoms, the ions are ionized and the plasma forms a plasma state.
The voltage across the lamp is directly passed through the plasma and emits 253.7nm of ultraviolet light. The ultraviolet light ignites the phosphor. Since the temperature of the filament is about 1160K when the fluorescent lamp is working, it is much lower than the temperature of the incandescent lamp working 2200K-2700K, so it The life expectancy has also improved greatly, reaching more than 5,000 hours. Because it uses high efficiency electronic ballasts, and there is no current thermal effect like incandescent lamps, the energy conversion efficiency of phosphors is also very high, reaching more than 50 lumens per watt. So save energy.
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