Control device of electric sealed compressor, electric sealed compressor apparatus, and home appliance comprising control device and electric sealed compressor apparatus
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United States of America Patent
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Dec 13, 2016
Grant Date -
Jul 30, 2015
app pub date -
Jul 8, 2013
filing date -
Jul 9, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A control device (100) of an electric sealed compressor of the present invention comprises a power converter (30) which supplies electric power to an electric motor (5) of the electric sealed compressor; a driving circuit (27) which drives the power converter (30); abnormality detector (40) which detects abnormality in an abnormality detection region including the power converter (30) and the driving circuit (27); a controller (11) configured to output a control signal for driving the power converter to the driving circuit (27) and stop outputting the control signal in response to a signal (Fo signal) output from the abnormality detector (40), the signal indicating that the abnormality has been detected; and an auxiliary protection circuit (50) configured to deactivate the driving circuit (27) in response to the signal output from the abnormality detector (40), the signal indicating that the abnormality has been detected.
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