JP2008220469A5

JP2008220469A5 -

Info

Publication number: JP2008220469A5
Application number: JP2007059877A
Authority: JP
Filing date: 2007-03-09
Publication date: 2010-04-22
Anticipated expiration: 2027-03-09

Claims

A pan stored in a pan storage section provided in the rice cooker body;
A pan heating device for heating the pan,
A pan temperature detector for detecting the temperature of the pan,
A lid body capable of opening and closing the upper opening of the pan;
A heating control unit for controlling the heating operation of the pan heating device;
A solid-state microwave oscillator capable of oscillating microwaves in the pan and capable of changing the frequency of the microwaves;
Controlling the heating control unit based on the detection temperature of the pan temperature detection unit, and comprising a control unit that performs a rice cooking process of cooking rice and water put in the pan,
The control unit further controls the solid microwave oscillator in response to a change in the distance between the solid microwave oscillator and the object to be cooked according to the progress of the rice cooking process, The microwave of the first frequency is oscillated in the pan, and the frequency of the microwave is switched to a second frequency higher than the first frequency in accordance with the progress of the rice cooking process. A rice cooker that oscillates microwaves in the pan to heat the rice and water.

The rice cooking process includes a water immersion process, a cooking process, a boiling maintenance process, and a steaming process,
The control unit controls the solid-state microwave oscillator to oscillate the first frequency microwave in the pan in the submerging step, and to transmit the second frequency microwave in the pan in the steaming step. The rice cooker according to claim 1, wherein the rice and water are oscillated to heat the rice.

The control unit is configured to switch the solid microwave so that the frequency of the microwave oscillated in the pot in the water immersion process is alternately switched in at least two stages of a slightly higher frequency and a slightly lower frequency than the first frequency. The rice cooker of Claim 2 which controls an oscillation apparatus.

In the steaming process, the control unit may switch the solid microwave so that the frequency of the microwave oscillated in the pan is alternately switched in at least two stages of a slightly higher frequency and a slightly lower frequency than the second frequency. The rice cooker of Claim 2 or 3 which controls an oscillation apparatus.

A pan stored in a pan storage section provided in the rice cooker body;
A pan heating device for heating the pan,
A pan temperature detector for detecting the temperature of the pan,
A lid body capable of opening and closing the upper opening of the pan;
A heating control unit for controlling the heating operation of the pan heating device;
A solid-state microwave oscillator capable of oscillating microwaves in the pan and receiving the reflected waves reflected in the pan, and capable of changing the frequency of the microwaves;
Control the heating control unit based on the temperature detected by the pan temperature detection unit, the rice and water to be put into the pan with a watering step, a cooking step, a boiling maintenance step, and a steaming step A control unit for performing the rice cooking process of cooking rice;
With
The control unit
Before starting the cooking process, while changing the frequency of the microwave stepwise or continuously from the first frequency for frequency determination to the frequency for frequency determination of the second frequency, the microwave is in the pan. An oscillation frequency control unit for controlling the solid-state microwave oscillation device so as to oscillate to
The microwave controlled by the oscillation frequency control unit is reflected in the pan, and the amount of reflected wave of the reflected wave received by the solid-state microwave oscillator is related to the frequency of the oscillated microwave. A storage unit for storing;
Extract the frequency of the microwave with the smallest amount of reflected wave from the storage unit, based on the relationship information between the frequency of the microwave and the total number of rice cooking, using the frequency of the extracted microwave in the pot A total number determination unit for determining the total number of cooked rice;
The rice cooker which controls the said heating control part based on the said rice cooking total number which the said total number determination part determined.

A pan stored in a pan storage section provided in the rice cooker body;
A pan heating device for heating the pan,
A pan temperature detector for detecting the temperature of the pan,
A lid body capable of opening and closing the upper opening of the pan;
A heating control unit for controlling the heating operation of the pan heating device;
A lid opening / closing detector for detecting opening / closing of the lid body;
A solid-state microwave oscillator capable of oscillating microwaves in the pan and receiving the reflected waves reflected in the pan, and capable of changing the frequency of the microwaves;
The control part which controls the said heating control part based on the detection temperature of the said pan temperature detection part, and performs the rice cooking process which cooks the rice and water put into the said pan, and the heat retention process which heats the cooked rice When,
With
The control unit
When the lid opening / closing detection unit detects opening / closing of the lid body in the heat retaining step, the microwave frequency is changed stepwise or continuously from the first rice amount determination frequency to the second rice amount determination frequency. An oscillation frequency control unit for controlling the solid-state microwave oscillator so that the microwave is oscillated in the pan,
The microwave controlled by the oscillation frequency control unit is reflected in the pan, and the amount of reflected wave of the reflected wave received by the solid-state microwave oscillator is related to the frequency of the oscillated microwave. A storage unit for storing;
Extracting the frequency of the microwave with the smallest amount of reflected wave from the storage unit, and using the extracted microwave frequency based on the relationship information between the frequency of the microwave and the amount of rice, the rice in the pan A rice amount determination unit for determining the amount;
The rice cooker which controls the above-mentioned heating control part based on the above-mentioned amount of rice which the above-mentioned total number judgment part judged.

The said control part stops control of the said heating control part, and complete | finishes the said heat retention process, when the amount of rice in the said pan determined by the said rice amount determination part is below a predetermined quantity. Rice cooker as described in.

Furthermore, when the lid body is in a state in which the opening of the pan is closed, the microwave oscillated in the pan from the solid microwave oscillator is prevented from leaking outside the rice cooker. The rice cooker as described in any one of Claims 1-7 provided with the made microwave shielding member.