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(11) | EP 3 376 200 A8 |
(12) | CORRECTED EUROPEAN PATENT APPLICATION |
published in accordance with Art. 153(4) EPC |
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(54) | ABNORMALITY DIAGNOSTIC DEVICE |
(57) An abnormality diagnosis apparatus includes a sensor unit 2 configured to detect
a heat flux which flows from a target apparatus 200 toward outside, and a determining
unit 3 configured to determine an abnormality of the target apparatus 200. The sensor
unit 2 includes a first heat flux sensor, a second heat flux sensor, and a thermal
buffer which is disposed between the first heat flux sensor and the second heat flux
sensor and which has predetermined heat capacity. The first heat flux sensor outputs
a first sensor signal in accordance with a heat flux which passes through the first
heat flux sensor from the target apparatus 200 side toward the thermal buffer side.
The second heat flux sensor outputs a second sensor signal in accordance with a heat
flux which passes through the second heat flux sensor from the thermal buffer side
toward a side farther from the target apparatus 200. The determining unit 3 determines
whether or not there is an abnormality of the target apparatus 200 on the basis of
the first sensor signal and the second sensor signal.
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