Control device of electric sealed compressor, electric sealed compressor apparatus, and home appliance comprising control device and electric sealed compressor apparatus
US9520815B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 8, 2013 |
| Grant date | Dec 13, 2016 |
| Priority date | — |
| Expiry date | Oct 13, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P29/0241
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.