Induction heating cooker

A technology of induction heating and cooker, which is applied in the direction of induction heating, induction heating control, induction heating device, etc., and can solve problems such as difficult water heating control
CN102711301AActive Publication Date: 2012-10-03IRIS OHYAMA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
IRIS OHYAMA
Publication Date
2012-10-03

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Abstract

An induction heating cooker for detecting water boiling precisely and realizing water-boiling control is provided. An induction heating cooker of an embodiment is provided with a glass top plate (16)for placing heated objects (35); a heater(48) arranged below the top plate and used for releasing induction heating of the heated objects (35) through a heating coil; an infrared sensor (32)for detecting infrared radiating from the top plate (16) and the heated objects(35); a control part (41) for monitoring the infrared detection value and change rate of the infrared sensor (32), and controlling firepower of the heater according to the infrared detection value and the change rate. The control part (41) is used for realizing boiling detection according to the detection value of the infrared sensor (32), calculating the load capacity of the heated objects (35) of the top plate according to the infrared detection value of the boiling detection and the changing rate of the infrared detection value before the boiling rate, and controlling firepower of the heater after the boiling detection according to the load capacity.
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Description

[0001] This application is based on Japanese Invention Patent Applications 2011-070853 and 2011-070854 (filing date: March 28, 2010), and enjoys the priority of said earlier applications. This application incorporates said earlier application by reference in its entirety. technical field

[0002] Embodiment of this invention relates to an induction heating cooker. Background technique

[0003] In a conventional induction heating cooker, an infrared sensor for detecting infrared rays radiated from an object to be heated and a temperature sensor for detecting the temperature of the top plate are provided below the top plate. In addition, there is a technique of calculating the temperature of the heating container from the signal of the infrared sensor and the temperature sensor when the temperature of the top plate is low.

[0004] However, according to the existing heating control technology, there is a problem that it is difficult to control boiling water, that is, to use a...

Claims

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