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The structure of the ultraviolet UV curing lights

时间:2016-04-14 15:55来源:sankun点击:
  UV curing lamp of mercury in the discharge tube produced by ultraviolet light, a mercury vapor this inert gas, containing two electrodes and a quartz tube of insulator.
  In mercury 254 nm, 254 nm and 366 nm space to achieve the highest, produced between 200 and 400 nm of radiation. Quartz short cut off wavelengths, it will be delivery below 230 nm radiation.
  Each atom consists of a nucleus, many electronic floating around in a fixed orbit. By increasing the energy (electricity) electrons are in a higher orbit.
  Each of these elements according to the trend of a return to its original state. Electronic will before its orbital retreat: excessive energy as a photon.
  The ultraviolet lamp is used by electricity at ordinary times made of medium pressure mercury arc lamp or MPMA lamp. It can be produced into the length of a few millimeters to more than 2 m. The life of these lights from 1000 to 2500 hours.
  Tubes made of quartz, because the material not only can transmit ultraviolet light also can endure six to the high temperature of 800 ° C of a material. The bulb is broken after will be easier to reach melting point (1100 ° C)
 
  Made from tungsten electrodes: production process is very complicated. Use tungsten, because the temperature of the curve can be increased to more than 3000 ° C. With molybdenum plate connected to the electrodes and wires, can swell with quartz. And still can endure high voltage when heating. Lamp was finally hanging to the ceramic insulator (or other). Often because the current supply insufficient MPMA lamp, uv lamp is usually to take advantage of the transformer. Two types will be used: induction and power transformer being repaired. Standard ballast is also used as high as 5 kw capacity.

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