Temperature abnormality detecting system, temperature abnormality detecting method and program

摘要

To provide a temperature abnormality detection system that facilitates setting of a threshold of a target apparatus and can detect abnormality in the target apparatus in an early stage.SOLUTION: The temperature abnormality detection system comprises: a temperature measuring unit that measures a current temperature Tof a target apparatus 91 moment by moment; a maximum value detecting unit 141 that detects the maximum value ΔTof a temperature change rate ΔTbased on the measured temperature; a decay time calculating unit that calculates a decay time th from when the maximum value ΔTof the temperature change rate is detected until when the temperature change rate is reduced to a predetermined decay ratio with respect to the maximum value ΔT; a predicted temperature calculation unit 142 that calculates a predicted reaching temperature Tof the target apparatus 91 based on the decay time of the temperature change rate; and an abnormality determination unit 143 that determines that the target apparatus is abnormal when the calculated reaching temperature exceeds a predetermined temperature threshold Th.SELECTED DRAWING: Figure 3