ELECTRIC APPARATUS FOR COOKING AND/OR HEATING FOOD

Electric apparatus for cooking and/or heating food, comprising at least: - a chamber (12) able to receive food to be cooked and/or heated, - electric heating elements (17) associated with said chamber (12), - at least one temperature sensor (18) to measure a temperature (Tm) in the chamber (12), - a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	De' Longhi, Giuseppe, Beninato, Daniele
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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Beschreibung
Zusammenfassung:	Electric apparatus for cooking and/or heating food, comprising at least: - a chamber (12) able to receive food to be cooked and/or heated, - electric heating elements (17) associated with said chamber (12), - at least one temperature sensor (18) to measure a temperature (Tm) in the chamber (12), - a temperature control device (25) provided with a control and power supply unit (19) configured to receive the temperature (Tm) measured by the sensor (18) and compare it with a desired temperature (Tz) in a central zone (Z) of the chamber (12). The temperature control device (25) also comprises at least one estimator filter (21) configured to receive at entrance: the temperature (Tm) detected, the actual power supplied to the electric heating elements (17) by said control unit (19) and the data relating to previous temperature estimations and able to supply at exit an estimated temperature (TtC); wherein said control unit (19) is configured to use the estimated temperature (TtC) transmitted by the estimator filter (21) to establish the correct mean power to be supplied by the electric heating elements (17).