发明名称 ABNORMALITY DIAGNOSTIC UNIT FOR ROTARY EQUIPMENT
摘要 PURPOSE:To provide an abnormality diagnostic unit for rotary equipment which organically processes on-line and off-line data using a single device, performs soundness diagnosis according to the different characteristics of various kinds of rotary equipment and detects abnormalities in the operation of the rotary equipment at early stages. CONSTITUTION:An abnormality diagnostic unit for rotary equipment has sensors 8-12 permanently provided to rotary equipment, a sampling means for on-line data from the sensors 8-12, a sampling means for off-line data recorded on a recording medium, computers 24,33, and a means for diagnosing data by selectively feeding the on-line and off-line data to the computer 33. The diagnostic unit further includes a judging means which interrupts the computer 33 when there is a symptom of abnormality in the data and a diagnostic means which performs detailed diagnosis of the data showing the symptom of abnormality by using the computer 33 during interruption.
申请公布号 JPH0560596(A) 申请公布日期 1993.03.09
申请号 JP19910250306 申请日期 1991.09.04
申请人 HITACHI LTD 发明人 AMANO KAZUO;HAYASHI MAKOTO;TAKAGI YUKISHI;KATSURA HIROYUKI
分类号 G01D21/00;G01H17/00;G05B23/02;G06F11/22 主分类号 G01D21/00
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