Presentation on theme: "Emitting principle of lamp Professor ： Ru-Li Lin Student ： Ting-Wei Lin Department of Mechanical Engineering Southern Taiwan University of Science and."— Presentation transcript:
Emitting principle of lamp Professor ： Ru-Li Lin Student ： Ting-Wei Lin Department of Mechanical Engineering Southern Taiwan University of Science and Technology
Content A.Lamp history B.Lamp types C.Common lamp & compare D.How to change the lamp E.Conclusion F.References
A. Lamp history In 1802 Humphry Davy invented the incandescent lamp of a current through the platinum, the disadvantage is not bright enough, and the duration is too short. In 1835 James Baoman LinRace showing constant electric light, but no further development. In 1840 Warren de la Ruep latinum as a concept, although the final improve life, but the cost is too high.
In 1841 Frederick in England with the first platinum wire incandescent patents. In 1845 John Starr uses made of carbon fiber incandescent lamp, but after death that got patented. In 1851 Robert-Houdin publicly display his incandescent lamp in France. In 1872 Alexander invented incandescent lamp was got the Russian patent in 2 years after.
In 1878 Thomas Edison invented the first practical incandescent lamp. ↑ Thomas Edison ↑ Thomas Edison improved the bulb
In 1990 Carl Orr invention a tinsel incandescent lamp. In 1904 Zander and Franjo be granted to Hungarian patent, which is the first tungsten filament bulb. ↑ tungsten filament bulb In 1990 Carl Orr invention a tinsel incandescent lamp. In 1904 Zander and Franjo be granted to Hungarian patent, which is the first tungsten filament bulb.
B. Lamp types (1)Incandescent type ： Bulb 、 Halogen bulbs 、 Seal spotlight lamp (2) fluorescent light ： Energy-Saving Lamps 、 Fluorescent tubes 、 and so (3) Gas discharge lamp ： Mercury lamps 、 Neon light 、 and so
C. Common lamp & compare Commonly used lamp ： (1) Bulb ： Standard name for the incandescent,use the tungsten filament heated to incandescence to light.
(2) Halogen bulbs ： Use of iodine or bromine, be the filled with gas, when the tungsten atoms evaporated to 800 ° C and iodine, bromine do combine to emit light. (3) Seal spotlight lamp ： The use of tungsten to emit light, and shed light gathered together, to strengthen the intensity of the lamp.
(4) Energy-Saving Lamps ： Trace mercury with to make a light bulb. (5) Fluorescent tubes ： Use of electricity to stimulate the mercury vapor in argon or neon gas, a plasma is formed and issued short-wave UV, UV absorption of phosphorus, phosphorus emits visible light illumination.
(6) mercury lamps ： Also known as mercury lamps, divided into low- pressure, high-pressure, high pressure three types, uses a wide range, can be used in the lighting around the corner or sterilization. (7) Neon light ： The use of high- temperature tube (arc tube) within a stable arc discharger and more than 3 W / cm ² of light- emitting power.
(8) LED lights ： Also known as light- emitting diodes, trivalent and pentavalent element composite light source. (9) Optical fiber ： Utilization a refractive manner to be conducted, can be used to transfer signals.
E. Conclusion In today's society, changing light bulbs, lamp has the necessary skills, if you know how to do-it-yourself change, so long as there is material received can save a people exchange costs, but do-it-yourself conversion drawback isthey have to pay attention to safety, we have to be careful in order to save money and convenient.
F. References http://en.wikipedia.org/wiki/Incandescent_light_bulb#History http://zh.wikipedia.org/wiki/%E9%AB%98%E5%BC%B7%E5%BA%A6 %E6%B0%A3%E9%AB%94%E6%94%BE%E9%9B%BB%E7%87%88 http://www.youtube.com/watch?NR=1&feature=endscreen&v=QTqY MuJGJa4