专利名称：RADIATION MONITOR
发明人：KAWASHIMA TAKAO，川嶋 孝雄,SODA
reactor pressure vesselYASUTAKA，曽田 康敬
申请号：JP2008215205
申请日：20080825
公开号：JP2010048752A
公开日：
20100304
专利内容由知识产权出版社提供
专利附图：
摘要：
PROBLEM TO BE SOLVED: To provide a radiation monitor which improves the
detection accuracy of the change in radiation doses caused by radionuclides flowing in main steam piping, and also to simplify the structure of the monitor.
SOLUTION: In the radiation monitor 1, a radiation detector 5, a preamplifier 7 and a signal processor 8 are connected in series via cables 6. Radiation dose rate indicators 9 an
16, radiation dose rate recorders 10 and 17, warning apparatuses 11 and 18 and a trip circuit 15 are connected to the signal processor 8 via the cables 6. The radiation monitor 1 functions as a main steam piping radiation monitor and a containment atmospheric monitoring system (CAMS). The radiation dose rate indicator 9, the radiation dose rate recorder 10 and the warning apparatus 11 are constituted as the CAMS. The trip circuit 15, the radiation dose rate indicator 16, the radiation dose rate recorder 17 and the warning apparatus 18 are constituted for the main steam piping radiation monitor. The radiation detector 5 is placed on the tip in a penetration 4 set up, inside a reactor containment vessel 19.
COPYRIGHT: (C)2010,JPO&INPIT
申请人：HITACHI-GE NUCLEAR ENERGY LTD，日立ＧＥニュークリア・エナジー株式会社地址：茨城県日立市幸町三丁目１番１号
国籍：JP
代理人：ポレール特許業務法人
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