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Method for judging rice water amount of heater

A heater, rice water quantity technology, applied in auxiliary controllers with auxiliary heating devices, program control in sequence/logic controllers, cooking utensils, etc. Cost, wide application effect

Active Publication Date: 2012-10-24
MIDEA GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above method of judging the amount of rice water is applicable to the rice cooker with a temperature sensor in the upper cover, but it cannot be realized for the rice cooker with only a temperature sensor in the base and no temperature sensor in the upper cover.

Method used

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  • Method for judging rice water amount of heater
  • Method for judging rice water amount of heater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] figure 2 , the present embodiment discloses a method for judging the rice water volume of the heater, the heater is provided with a bottom temperature sensor, a first timer, a second timer and a third timer, and the judging method for the rice water volume of the heater includes Follow the steps below:

[0047] S0: The heater is heated with power P1, and when the temperature Tb detected by the bottom temperature sensor reaches the preset initial temperature T0, it enters S1;

[0048] S1: The first timer counts the total working time tz from zero, and the second timer counts the interval time △t from zero, n=1, enter S2;

[0049] S2: When the total working time tz calculated by the first timer reaches the preset total working time t0, go to S6; otherwise, go to S3;

[0050] S3: When the interval time △t calculated by the second timer reaches the preset interval time △tn, go to S4; otherwise, go to S5;

[0051] S4: The second timer re-times the interval time △t from z...

Embodiment 2

[0056] In this embodiment, in S1 of the above steps, the first timer counts n, and in the S2 stage of the above steps, when the n counted by the first timer reaches a preset constant, such as: when n reaches 3, go to S6; otherwise go to S3. Other steps are the same as in Embodiment 1.

Embodiment 3

[0058] In this embodiment, in S5 of the above-mentioned steps, the third timer counts the heating time of the heater, and in S6 of the above-mentioned steps, the amount of rice water is judged according to the time accumulated by the third timer . Other steps are the same as in Embodiment 1.

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Abstract

The invention relates to a method for judging the rice water amount of a heater. The method comprises the following step of: 1, timing from zero by using a first timer, timing a time interval delta t from zero by using a second timer, and entering a step 2, wherein n is equal to 1; 2, when the first timer reaches preset total working time t0, entering a step 6, otherwise, entering a step 3; 3, when delta t reaches a preset time interval delta tn, entering a step 4, otherwise, entering a step 5; 4, retiming from zero by using the second timer, adding n with 1, updating the delta tn and Tn, and entering the step 5; S, when a detected temperature Tb is higher than or equal to the corresponding judged temperature Tn which corresponds to the delta tn, stopping the heater from heating, timing heating stop time by using a third timer, entering the step 2; and when the detected temperature Tb is lower than the judged temperature Tn which corresponds to the delta tn, heating with the heater by using power P2, and entering the step 2; and 6, judging the rice water amount according to the length of the heating stop time accumulated by using the third timer.

Description

technical field [0001] The invention relates to the technical field of electric heating appliances, in particular to a method for judging the amount of rice water in a heater. Background technique [0002] In the cooking process of rice cookers, electric pressure cookers, electric stewers and other products, it is very important to judge the amount of rice water. If the misjudgment is large, there will be bubble overflow. [0003] In the cooking control process of electric rice cookers currently on the market, the amount of rice water is judged by the time required for the temperature to reach the preset temperature through the temperature sensor installed in the upper cover of the electric cooker, that is, the temperature in the cooker is determined according to the steam generated by the water in the pot. The time required to reach the preset temperature is used to judge the amount of rice water. [0004] The method for judging the amount of rice water is applicable to t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/04G05D23/32A47J27/00A47J36/00
Inventor 杨乐房振张永亮杨立萍何毅东李寿军黄兵
Owner MIDEA GRP CO LTD
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