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Title:
熱電対の異常検知システムおよびその方法
Document Type and Number:
Japanese Patent JP5783831
Kind Code:
B2
Abstract:
According to one embodiment, a thermocouple abnormality detection system including: a plurality of thermocouples each including a plurality of thermocouple wires housed in a sheath; a transmission signal conversion unit configured to convert a thermo-electromotive force generated by each of the plurality of the thermocouple wires to a transmission signal and to output the transmission signal; a transmission unit configured to transmit the transmission signal outputted from the transmission signal conversion unit; and an abnormality detection circuit configured to detect an abnormality of each of the plurality of the thermocouples by comparing, with each other, the transmission signals obtained from the plurality of thermocouple wires provided in each of the thermocouples.

Inventors:
Masayuki Ourbo
Shigeru Yamachi
Yuma Eto
Fukui Mamoru
Morohoshi Noboru
Application Number:
JP2011162426A
Publication Date:
September 24, 2015
Filing Date:
July 25, 2011
Export Citation:
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Assignee:
Toshiba Corporation
Toshiba Plant Systems Co., Ltd.
International Classes:
G01K7/02
Domestic Patent References:
JP2003208687A
JP2008021057A
JP4165290A
JP2009180188A
Attorney, Agent or Firm:
Patent business corporation Tokyo International Patent Office



 
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