发明名称 IMMERSION THERMOMETER FOR MOLTEN METAL
摘要 <p>PURPOSE:To enable the detection of the correct temp. of a molten metal by dipping the tip of an optical fiber continuously in a melting metal. CONSTITUTION:An optical fiber 20 is inserted into a melting metal by the prescribed length by gradually descending it. In this case the temp. of the tip part 21 becomes nearly the same temp. with that of the melting metal and an infrared ray energy is radiated inside the tip part 21 thereof. The infrared ray is then radiated from the output end part 23 of the optical fiber 20 via the optical fiber 20 (bobbin part 22). An infrared ray sensor 41 receives the radiated infrared energy then and generates the prescribed electrical signal according to the quantity of the received infrared ray thereof. This electrical signal is then processed by a signal processing circuit 42. The signal corresponding to the temp. of the melting metal 10 is thus outputted to the output terminal 43 of a recorder.</p>
申请公布号 JPS6219727(A) 申请公布日期 1987.01.28
申请号 JP19850158904 申请日期 1985.07.18
申请人 JAPAN SENSOR CORP:KK;NIPPON STEEL CORP 发明人 TAKADA HIDEO;SHIBATA TOSHIHIKO;NIHEI KIYOSHI;INOUE TOMIO
分类号 G01J5/08;G01J5/00;G01J5/04 主分类号 G01J5/08
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