INDUCTION HEATING COOKER

A controller drives an inverter circuit at the same frequency in a case where a plurality of heating target objects are simultaneously heated by heating coils which are adjacent with each other. In addition, the controller includes a conduction time detector for detecting a conduction period of time...

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Bibliographic Details
Main Authors NAGATA, Ryuuji, HASHIMOTO, Takuya
Format Patent
LanguageEnglish
French
German
Published 01.11.2017
Subjects
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
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Summary:A controller drives an inverter circuit at the same frequency in a case where a plurality of heating target objects are simultaneously heated by heating coils which are adjacent with each other. In addition, the controller includes a conduction time detector for detecting a conduction period of time of a switching element of the inverter circuit. In a case where the conduction period of time is equal to or less than a predetermined value, the controller does not switch a driving frequency of the switching element, and in a case where the conduction period of time becomes longer than the predetermined value, the controller makes the driving frequency of the inverter circuit be decreased and drives the inverter circuit to heat the heating target object.
Bibliography:Application Number: EP20170156479