Halogen Noob

Lub tsheb halogen qhov muag teev muaj cov roj halogen xws li iodine lossis bromine. Nyob rau hauv qhov kub thiab txias, sublimated tungsten hlau chemically reacts nrog halogen, thiab lub teeb emission yog daj, qhia ib tug sov lub teeb xim thiab kuj tsaus. Halogen ua npuas ncauj yog tsim los ntawm quartz thiab stainless hlau.

Halogen teeb yog ib qho kev txhim kho ntawm lub teeb incandescent, nws khaws qhov zoo ntawm lub teeb incandescent: yooj yim, tsis muaj nqi, yooj yim kho thiab tswj qhov ci, xim zoo nkauj (Ra=100). Lub caij no, cov teeb halogen kov yeej ntau qhov tsis zoo ntawm cov teeb ci, xws li lub neej luv luv thiab kev ua haujlwm tsis zoo.

Halogen lamps are made of tungsten wire, but are encased in a smaller quartz glass shell. Because the glass shell is so close to the filament, it will melt easily if it is made of glass. The gas inside the glass shell is composed of different gases to form the halogen lamp group. These gases have a very interesting property: they combine with tungsten vapors. If the temperature is not high enough, the tungsten atoms bound to the halogen gas evaporate and redeposit on the filament. This cycle makes the filament last for a long time. Plus, it can run hot filaments, which means you get more light energy. You're still getting a lot of heat, but because the quartz shell is so close to the filament, it's hotter than a normal bulb.

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