RADIATION THERMOMETER

PURPOSE:To measure a temperature of the inner part of a curved duct by including a low temperature area, as well with high accuracy by using a flexible pipe whose inside surface is a specular surface as a condensing means. CONSTITUTION:A condensing pipe 2 which has the inside specular surface and ma...

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Bibliographic Details
Main Author KOIDE MINORU
Format Patent
LanguageEnglish
Published 07.11.1990
Subjects
COLORIMETRY
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT
MEASURING
PHYSICS
RADIATION PYROMETRY
TESTING
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Summary:PURPOSE:To measure a temperature of the inner part of a curved duct by including a low temperature area, as well with high accuracy by using a flexible pipe whose inside surface is a specular surface as a condensing means. CONSTITUTION:A condensing pipe 2 which has the inside specular surface and made of a material abounding in flexibility such as vinyl chloride, etc., is deformed to match a shape of a curved auditory meatus 1 and inserted into the auditory meatus, and led to an infrared sensor 4 for converting infrared rays radiated from the tympanum 1a to an electric signal. Outputs of the infrared sensor 4 and a temperature sensor 5 are amplified by amplifiers 6a, 6b and inputted to an A/D converter 7. The A/D converter 7 converts the outputs of the amplifiers 6a, 6b to digital values and inputs them to a microcomputer 8. The microcomputer 8 calculates a temperature of the tympanum 1a from the outputs of the infrared sensor 4 and the temperature sensor 5. Also, a specular surface layer 3 is formed on the inside surface of a body 3a, and constituted of a gold vapor-deposited layer 3b and a medium metallic vapor-deposited layer 3c.
Bibliography:Application Number: JP19890094449