Method for controlling a refrigeration appliance
First Claim
1. A method for controlling the defrost of an evaporator in a refrigeration appliance provided with a compressor, in which a temperature sensor (TP) is used for detecting the temperature inside a cell of the appliance, comprising the steps of estimating the temperature of the evaporator on the basis of the cell temperature and of a mathematical model (M) of the refrigeration appliance, and enabling the compressor startup when the estimated evaporator temperature is greater than a fixed threshold indicative of the evaporator being defrosted.
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Accused Products
Abstract
A method for controlling the defrost of an evaporator in a refrigeration appliance provided with a compressor and in which a temperature sensor (TP) is used for detecting the temperature inside a cell of the appliance, comprises the steps of estimating the temperature of the evaporator on the basis of the cell temperature (TP) and of a mathematical model of the refrigeration appliance, and controlling the compressor on the basis of the estimated temperature of the evaporator.
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Citations
17 Claims
- 1. A method for controlling the defrost of an evaporator in a refrigeration appliance provided with a compressor, in which a temperature sensor (TP) is used for detecting the temperature inside a cell of the appliance, comprising the steps of estimating the temperature of the evaporator on the basis of the cell temperature and of a mathematical model (M) of the refrigeration appliance, and enabling the compressor startup when the estimated evaporator temperature is greater than a fixed threshold indicative of the evaporator being defrosted.
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7. A refrigeration appliance comprising:
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a refrigeration circuit including an evaporator and a compressor, a control circuit for controlling the operation of the refrigeration appliance including the evaporator defrost, and a temperature sensor (TP) placed in a cell of the appliance, wherein the control circuit is adapted to carry out an estimation algorithm (EA) which provided an estimated value of the evaporator temperature, such estimation algorithm (EA) being based on the measured temperature of the cell and on a mathematical model (M) of the appliance, so that the control circuit can enable the compressor startup when the estimated evaporator temperature is greater than a fixed threshold indicative of the evaporator being defrosted. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification