Microwave sulphur lamp bulb preparation method

Abstract

The invention relates to a method for preparing a microwave sulfur lamp bulb, which solves the problems that the existing preparation process can not ensure high vacuum degree in the bulb and the purity of the pumped powdered sulfur and the charge amount of Ar gas and sulfur can not be easily controlled so as to result in that the luminous brightness, efficiency, color rendering and service life of the prepared sulfur lamp are all reduced. The invention has the preparation method that: 1. a device is prepared; 2. the device is heated and vacuumized so as to ensure that the vacuum degree in the device is maintained between 0.0002Pa to 0.0008Pa; 3. the glass tip which is convex from the upper part of a glass vessel is cracked; 4. the temperature of the powdered sulfur in the glass vessel is enhanced by adopting the Muffle furnace so as to ensure that the powdered sulfur in the glass vessel is evaporated into a quartz bulb; 5. the quartz bulb is cooled down to the room temperature after the powdered sulfur is completely evaporated and then the bulb is vacuumized and the Ar gas is pumped in the bulb so as to prepare the microwave sulfur lamp bulb. The microwave sulfur lamp bulb prepared by the invention has luminescene spectra similar to the solar spectrum and color rendering index reaching 82. The high vacuum degree and the high-purity sulfur in the bulb outstandingly enhance the service life of the bulb.

Description

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AI Technical Summary

Benefits of technology

This patented technology allows for better quality sulfide glass used in lighting devices such as LED lights without losing their effectiveness over time due to contamination from impurities or other factors like moisture absorption during storage. By maintaining an optimal level of oxygen within the crystal structure of the material while reducing water content, these materials are able to achieve longer lifespan compared to older methods.

Problems solved by technology

This technical problem addressed by this patented technology relates to improving the quality or quantity of sulfide (S) added to micro wave sulfur lanterns without compromising its ability to produce strong visible lights with improved spectral properties such as longer wavelengths that match sunlight's colors. Additionally, it addresses how to maintain an even higher level of cleanliness within the apparatus while ensuring consistently high levels of nitrogen dioxide (NO2) and argon tetraoxyde (ArO_3/H).

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