Released in: 2018-01-29
Lamp, in our life is everywhere, especially when the home is installed, the bedroom of the home, sitting room, dining-room, should choose what kind of lamp to choose? This difficult problem has baffled many people, but actually, the purchase of the lamp has a lot of exquisite. Today, the author organizes the lamp to purchase knowledge, interested friends don't miss. Many people may know that there are several kinds of lights, and the effect of saving energy is LED energy-saving lamps, energy-saving lamps and incandescent lamps. But the principle must not be understood by everyone. Ordinary incandescent lights around 10 lumens per watt, about 1000 hours service life, its working principle is: when the light access circuit, the current through the filament, the heating effect of the current, make the incandescent lamp for visible and infrared light, this phenomenon in the filament temperature up to 700 k can perceive, due to the work of the filament temperature is very high, most of the energy wasted in the form of infrared radiation, the filament temperature is very high, also quickly evaporate, so life is shortened, in about 1000 hours; In terms of energy saving and consumption reduction, the traditional incandescent lamp is a necessary energy-saving revolution due to the large amount of infrared energy loss, high temperature and heating, short life, and advanced energy-saving and environmental protection lamp. Answering questions: why more than incandescent bulbs LED bulbs save electricity, by contrast, energy conservation and environmental protection lamps mainly through the ballast heat lamp filament, around 1160 k temperature, filament began to launch electronic (because on the filament with some electronic powder), electron collision inelastic collision argon atoms, argon atom collision energy and the impact of mercury atom, mercury atomic ionization produced after absorbing energy transition, 253.7 nm ultraviolet radiation, ultraviolet stimulate phosphor luminescence, due to the fluorescent lamp filament temperature around 1160 k at work, than incandescent bulbs working temperature of 2200 k to 2700 k is much lower, so it is also the life of a big increase, and the degree of saving energy and reducing consumption, service life can reach more than 5000 hours, because it is not the current incandescent lamp as the heating effect, and high energy conversion efficiency of phosphors, amounting to more than 50 lumens per watt. LED (Light Emitting Diode - Chinese meaning for Light Emitting Diode) is a semiconductor to electric energy into visible Light, it changes the tungsten filament incandescent Light shine with the principle of energy-saving lamps sanki toner glow, and adopts the electric Light. Because of the led is the use of solid semiconductor chip as a luminescent material, and we used in our daily life light bulb is the use of metal luminescent material, so the energy made by different, according to the statistics, a red led reaches a certain brightness when the consumption of energy is 15 watts, while the traditional light bulb to achieve the same measure up to 150 watts of energy consumption; In addition, according to the scientists to determine the LED electric light, there are 10 to the electric energy can be converted to light energy, and the conversion efficiency of incandescent bulbs only 7-8, thus, to achieve the same lighting effect, LED lamp energy saving is obvious than incandescent bulbs. According to analysis, the characteristics of LED are very obvious, long life, high luminous efficiency, no radiation and low power consumption. The spectrum of LED is almost exclusively focused on the visible spectrum, and its luminous efficiency can exceed 150lm/W (2010). Will be LED with ordinary incandescent lamp, spiral energy-saving lamps and T5 trichromatic fluorescent lamps, the result shows: the ordinary incandescent light efficiency of 12 lm/W, life is less than 2000 hours, spiral energy-saving lamp luminous efficacy of 60 lm/W, life is less than 8000 hours, T5 fluorescent lamp is 96 lm/W, life is about 10000 hours, and a diameter of 5 mm white LED lights can be more than 150 lm/W, life can be greater than 100000 hours. It is also predicted that the future of LED life will be infinite and will dominate the market.
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