Induction heating apparatus

感应加热装置

Abstract

在感应加热装置中,红外线检测部(107)具有:红外线接收部(107a),其接收从加热对象物辐射的红外线;放大部(107b),其对来自红外线接收部的检测信号进行放大而形成红外线检测信号;以及温度检测部(107c),其检测红外线检测部的温度并输出到所述控制部,控制部(106)根据与叠加在红外线检测部(107)输出的红外线检测信号上的负信号相关的负信号信息,当红外线接收部(107a)的温度为红外线检测部(107)的检测对象温度以上时,校正红外线检测信号而形成红外线实际信号,所述负信号的极性与红外线检测信号相反。
Provided is an induction heating apparatus, wherein an infrared detection unit (107) comprises: an infrared reception unit (107a) for receiving infrared radiated from an object to be heated, an amplifying unit (107b) for amplifying a detection signal from the infrared reception unit, and forming an infrared detection signal, and a temperature detection unit (107c) for detecting the temperature of the infrared detection unit, and outputting the temperature to a control unit. The control unit (106) corrects the infrared detection signal and forms a real infrared detection signal, when the temperature at the infrared reception unit (107a) is equal to or more than the range of temperature within which detection is to be conducted by the infrared detection unit (107), on the basis of negative signal information that is related to a negative signal that has a reverse polarity with respect to the infrared detection signal, and that is to be superimposed onto the infrared detection signal outputted by the infrared detection unit (107).

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