Sensing of decomposition products in SF6 by use of a corner cube prism coated with a dye film as an optical sensor head

被引：6
|
作者：
Kawamura, M [1 ]
Ishii, K [1 ]
Sato, S [1 ]
机构：
[1] MITSUBISHI ELECTR CORP,NAGOYA WORKS,HIGASHI KU,NAGOYA,AICHI 461,JAPAN
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1997年 / 36卷 / 7A期
关键词：
SF6-gas-insulated equipment; gaseous decomposition products; corner cube prism; dye film;
D O I：
10.1143/JJAP.36.4517
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A very sensitive optical sensing method for detecting a small quantity of gaseous decomposition products generated by an electric discharge in SF6 was developed. A sensor head is prepared using a corner cube prism of which three total reflection planes are coated with a thin film of methyl orange dye deposited by a vacuum evaporation method. The methyl orange dye is a color reaction reagent for detection of SF6 gas decomposition products such as HF gas, which is generated due to discharge induced in a glass container filled with FB gas. The sensor head connected to a halogen lamp through an optical fiber is placed in the container. This optical sensing method can be used to detect in real time problems or failure occurring in gas-insulated equipment.
引用
收藏
页码：4517 / 4520
页数：4
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