Compressor control device and method for controlling a compressor
AssigneeSTMicroelectronics Design and Application S.R.O.
InventorAlbert Boscarato
Life of this patent
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Abstract
A compressor control device includes a driving circuit, for controllably supplying a coil of an electric motor of a compressor. A temperature sensor is thermally coupled to the driving circuit and provides a temperature sensing signal correlated to a temperature in the driving circuit. A control stage, coupled to the driving circuit and to the temperature sensor, selectively prevents the driving circuit from supplying the coil, in response to a minimum temperature increment being detected by the temperature sensor within a pre-determined control time window.
Claims20
A compressor control device, comprising:
- a driving circuit, for controllably supplying a coil of an electric motor of a compressor;
- a temperature sensor, thermally coupled to the driving circuit for providing a temperature sensing signal correlated to a temperature in the driving circuit;
- and
- a control stage, coupled to the driving circuit and to the temperature sensor, for selectively preventing the driving circuit from supplying the coil, in response to a minimum temperature increment being detected by the temperature sensor within a pre-determined control time window.
A method for controlling a compressor, comprising the step of:
- controllably supplying a coil of an electric motor of the compressor through a driving circuit;
- providing a temperature sensing signal correlated to a temperature in the driving circuit;
- and
- preventing the driving circuit from supplying the coil, in response to a minimum temperature increment being detected within a pre-determined control time window.
Dependencies are inferred from the claim text.