CN102125385B - Electric cooker and porridge cooking control method thereof - Google Patents

Electric cooker and porridge cooking control method thereof Download PDF

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CN102125385B
CN102125385B CN201010580930A CN201010580930A CN102125385B CN 102125385 B CN102125385 B CN 102125385B CN 201010580930 A CN201010580930 A CN 201010580930A CN 201010580930 A CN201010580930 A CN 201010580930A CN 102125385 B CN102125385 B CN 102125385B
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time
boiling
preset
memory
temperature
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CN102125385A (en
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黄兵
卞在银
王健全
梁三林
房振
麻百忠
何毅东
吴宗林
杨乐
李信合
雷俊
李寿军
王强
崔志伟
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Midea Group Co Ltd
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Midea Group
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Abstract

The invention relates to an electric cooker and a porridge cooking control method thereof, wherein a second temperature T2 and a third temperature T3 are preset in a temperature memory of the electric cooker, T2 is not more than T3, a boiling time T3 and a boiling time T4 are preset in a time memory, and a second power ratio B, a third power ratio C and a fourth power ratio D corresponding to the rice quantity grade are preset in a heating power memory; the main controller is internally provided with: and when the electric cooker is heated by the second power ratio B in the boiling stage and finishes boiling for a time T3, the heating device is controlled to heat by the third power ratio C or the fourth power ratio D according to the ratio of the upper cover temperature T detected by the upper cover temperature detector to the second temperature T2 and the third temperature T3 until the set boiling for the second time T4 is met. According to the invention, the heating power is changed according to the temperature of the upper cover in the boiling stage, so that the insufficiency of rice water boiling under the condition of low voltage or low environmental temperature is compensated, and the porridge cooking effect is effectively improved.

Description

A kind of electric cooker and the control method of cooking congee thereof
Technical field
The invention belongs to electric cooker cooking control field, particularly a kind of electric cooker and the control method of cooking congee.
Background technology
The various computermatic electric cooker of selling in the market, cook congee or the Baoshang course of work in, work control procedure operated by rotary motion initial temperature detection-phase, add the thermal control stage, stop the control stage, the boiling control stage; Through adding the length of working time in thermal control stage, judge what grade of Mi Shuiliang in the pot, set with the corresponding fixed heated power of rice amount grade in the boiling control stage then and continue heating, with keep congee soup at fluidized state until the process end of cooking congee.But such control mode receives the influence of electric cooker operating voltage and environment temperature easily, cooks congee under or the condition that ambient temperature is lower low at voltage or during Baoshang, cook congee or the Baoshang effect relatively poor; Especially for the rice amount when big; Mi Shui is fully boiling not, causes the grain of rice not bloomed, and congee water is more clear; Strong inadequately, it is dissatisfied that the easy like this client of causing uses.
Summary of the invention
To the problems referred to above, the present invention provides a kind of can effectively discern the low or lower culinary art condition of ambient temperature of voltage, and boiling stage is carried out suitable heat supplement, the electric cooker and the control method of cooking congee thereof that thin rice gruel is fully seethed with excitement.
Realization technical scheme of the present invention is: a kind of electric cooker; Include pot body, inner bag, loam cake, heater, the control device that is used to detect the loam cake thermal detector of loam cake temperature and is used to control the work of cooking congee to the inner bag heating; Control device includes master controller and the timer that is connected with master controller respectively, temperature memory, time memory and heating power memory; The output of loam cake thermal detector is connected with the input of master controller, and the output of master controller is electrically connected with heater; It is characterized in that: also be preset with second temperature T 2 and the 3rd temperature T 3 in the temperature memory; And T2≤T3; Also be preset with boiling one time t3, boiling two time t4 in the time memory, also be preset with in the heating power memory and the corresponding second power accounting value B of rice amount grade, the 3rd power accounting value C, the 4th power accounting value D; Be provided with in the said master controller: when electric cooker boiling stage heat with the second power accounting value B and accomplish the boiling one time t3 after; According to the loam cake temperature T of loam cake thermal detector detection and the ratio of second temperature T 2 and the 3rd temperature T 3; Preset the 3rd power accounting value C or the 4th power accounting value D of control heater heats, up to the control module that satisfies two time of the boiling t4 that sets.
As further improvement of the present invention, also be preset with boiling three time t5 in the said time memory, also be preset with in the heating power memory and corresponding the 5th power accounting value E of rice amount grade; Be provided with in the master controller: when electric cooker after boiling stage satisfies boiling two time t4, the control heater heats with the 5th preset power accounting value E, up to the control module that satisfies three time of the boiling t5 that sets.
Wherein, The preset time is the time that works alone in each stage in the said time memory; In each stage, after the main controller controls timer time t zero clearing, with count again this time in stage t and time memory in time of working alone of corresponding preset compare.Perhaps, the time preset in the time memory is the accumulated operating time in each stage, and in each stage, the accumulated operating time of corresponding preset compares in accumulated time t that master controller gets the timer meter and the time memory.
The control method of cooking congee of above-mentioned electric cooker is to comprise at least being used to keep the boiling control stage S3 that meter water keeps fluidized state; It is characterized in that: said boiling control stage S3 is divided into three control procedures.
A control procedure S31 seethes with excitement: the main controller controls timer timing t that starts from scratch; And drive heater with second power accounting value B heating preset in the heating power memory; Reach one time of boiling t3 preset in the time memory until the time t that the timer meter gets, get into boiling two control procedure S32.
Two control procedure S32 seethe with excitement: main controller controls timer (8) the timing t that starts from scratch; Receive simultaneously the loam cake temperature T that the loam cake thermal detector detects repeatedly; And by the heating action of following rule control heater: when the loam cake temperature T was less than or equal to second preset in the temperature memory temperature T 2, master controller drove heater with the 3rd power accounting value C heating preset in the heating power memory; When loam cake temperature T in more than or equal to the temperature memory during preset the 3rd temperature T 3, master controller drives heater with the 4th power accounting value D heating preset in the heating power memory; Reach two time of boiling t4 preset in the time memory until the time t that the timer meter gets, get into boiling three control procedure S33.
Three control procedure S33 seethe with excitement: the main controller controls timer timing t that starts from scratch; And drive heater with the 5th power accounting value E heating preset in the heating power memory; Reach three time of boiling t5 preset in the time memory until the time t that the timer meter gets, the process of cooking congee finishes.
In addition, the invention also discloses a kind of control method of cooking congee of electric cooker, comprise following four-stage successively:
1) is used to detect the detection-phase S0 of original ambient temperature condition;
2) be used to heat the Mi Shuizhi fluidized state and judge rice amount grade add thermal control stage S1;
3) be used to prevent that the violent boiling of meter water from causing overflowing stops heating period S2;
4) be used to keep the boiling control stage S3 that meter water keeps fluidized state;
It is characterized in that: boiling control stage S3 comprises above-mentioned boiling one control procedure S31, boiling two control procedure S32, boiling three control procedure S33.
In the above-mentioned method of cooking congee; One time of boiling t3, boiling two time t4 and the three time t5 that seethe with excitement preset in the time memory (10) are the time that works alone in each stage; In each stage, the time t that timer (8) is remembered be count again after the zero clearing this time in stage.Perhaps preset one time of boiling t3, boiling two time t4 and the three time t5 that seethe with excitement are the accumulated operating time in each stage in the time memory, and in each stage, the time t that timer is remembered is the accumulated time in each stage.
In addition, in such scheme, the 3rd power accounting value C or the 5th power accounting value E can be equal values under different rice amount grades, also can be different values.The second power accounting value B measures under the grade at different rice with the 4th power accounting value D, can be equal values, also can be different value.
Because through discovering, under the condition that electric cooker is low at voltage or environment temperature is lower, boiling control stage loam cake temperature is than hanging down 5~10 ℃ under other conditions.Therefore the present invention is in the boiling control stage; Through inspection loam cake temperature; Second temperature T 2 and the 3rd temperature T 3 of loam cake temperature and setting are compared; Thereby effectively discern the low or lower culinary art condition of ambient temperature of voltage, and control heater and heat with preset the 3rd power accounting value C or the 4th power accounting value D accordingly, thereby boiling stage is carried out suitable heat supplement.Through this control procedure, when external voltage or environment temperature are low, can make Mi Shui realize more powerful heating condition under with normal condition under the same boiling heat and temperature, the boiling effect of assurance food.Therefore, electric cooker of the present invention remedies the insufficient of following meter water boiling of low-voltage or low ambient temperature condition through suitably increase replenishing of heat at boiling stage, under the prerequisite that does not increase any cost, can effectively improve the culinary art effect of cooking congee.
Description of drawings
Fig. 1 is the structural representation of preferred embodiment electric cooker.
Fig. 2 is the theory diagram of preferred embodiment electric cooker control device.
Fig. 3 is the preferred embodiment electric cooker loam cake temperature variation curve sketch map in the process of cooking congee.
Fig. 4 is the preferred embodiment electric cooker detection-phase control flow chart in the process of cooking congee.
Fig. 5 cooks congee for the preferred embodiment electric cooker and adds thermal control stage control flow chart in the process.
Fig. 6 is the preferred embodiment electric cooker stop phase control flow chart in the process of cooking congee.
Fig. 7 is the preferred embodiment electric cooker boiling control stage control flow chart in the process of cooking congee.
Fig. 8 is a related data preset in the preferred embodiment electric cooker heating power memory.
The specific embodiment
Show like Fig. 1, Fig. 2; The present embodiment electric cooker includes pot body 1, inner bag 2, loam cake 3, to the heater 4 of inner bag heating, be arranged at and be used to detect the loam cake thermal detector 5 of loam cake temperature on the loam cake 3 and be arranged at the control device 6 that is used to control the work of cooking congee on pot body; Control device 6 includes master controller 7 and the timer that is connected with master controller respectively 8, temperature memory 9, time memory 10 and heating power memory 11; The output of loam cake thermal detector 5 is connected with the input of master controller 7, and the output of master controller 7 is electrically connected with heater 4.
Be preset with first temperature T 1, second temperature T 2 and the 3rd temperature T 3 in the temperature memory 9; And T1<T2≤T3; Be preset with the detection time t0 corresponding in the time memory 10 with detection-phase S0, with adding thermal control stage S1 corresponding t1 heat time heating time, with stopping heating period S2 corresponding dwell time t2 and boiling one time t3, boiling two time t4s and the seethe with excitement three time t5s corresponding with boiling control stage S3, the corresponding respectively boiling one control procedure S31 of these three boiling times, boiling two control procedure S32, three control procedure S33 seethe with excitement.Be preset with the corresponding first power accounting value A of rice amount in the heating power memory 11, measure the corresponding second power accounting value B of grade, the 3rd power accounting value C, the 4th power accounting value D and the 5th power accounting value E with rice; Power accounting Value Data such as Fig. 8 of presetting in the heating power memory 11 in the present embodiment show, are not repeated in this description at this.
In conjunction with the temperature curve of electric cooker loam cake in the process of cooking congee shown in Figure 3, the control device 7 control electric cooker processes of cooking congee comprise following four-stage.
1) detection-phase S0: show like Fig. 4; The master controller 7 control timers 8 timing t that starts from scratch; And the loam cake temperature T that reception loam cake thermal detector 5 detects is as the original ambient temperature decision condition; Until timer 8 time t reach in the time memory 10 preset t0 detection time (t0 is 32 seconds in the present embodiment), get into the next one and add thermal control stage S1.This stage is mainly used in the unusual judgement of culinary art external environment condition, and for less demanding product, this stage can omit.
2) add thermal control stage S1: show that like Fig. 5 this stage mainly is that Mi Shui is heated to fluidized state, and judge rice amount grade, the length that wherein adds the S1 elapsed time in thermal control stage is the determinating reference that how much rice measures in the inner bag.Concrete, master controller 7 control timers 8 start from scratch timing t (when working time that preset heat time heating time in the time memory 10, t1 should the stage, the time of timer 8 be restart after the zero clearing to count time; When in the time memory 10 preset heat time heating time this electric cooker of t1 accumulated operating time the time, the time that the accumulated time meter of timer 8 gets; Follow-up each stage of control of present embodiment all is like this; Explanation does not in addition lay down a definition) and drive heater 4 and continue inner bag 2 and food are heated with first preset in the heating power memory 11 power accounting value A (A is 32/32 in the present embodiment); Master controller 7 receives the loam cake temperature T that loam cake thermal detector 5 detects simultaneously; Reach first temperature T 1 (T1 is 80 ℃ in the present embodiment) preset in the temperature memory 9 until the loam cake temperature T; Master controller 7 with timer 8 time t and time memory 10 in preset t1 heat time heating time compare, judge a rice amount grade, and get into the next one and stop heating period S2.
The main effect in this stage is to judge that Mi Shui reaches fluidized state, and judges the amount of Mi Shui.Except disclosed implementation method in the present embodiment, also can adopt additive method to realize, as judging Mi Shuiliang and fluidized state through the size that detects loam cake temperature rising amplitude in the unit interval.Or reach the first preset temperature T 1 and judge fluidized state, and judge Mi Shuiliang through the size that detects loam cake temperature rising amplitude in the unit interval through detecting the loam cake temperature.Can certainly detect the temperature of inner pan of electric cooker bottom or sidepiece, but not only limit to the loam cake temperature.
This stage adopts constant power accounting value A to heat in the present embodiment, also can adopt different power accounting value to heat according to the concrete condition of product stage by stage, makes Mi Shui reach boiling.
3) stop heating period S2: show like Fig. 6; The master controller 7 control timers 8 timing t that starts from scratch; And make heater 4 stop heating; It is violent and cause congee soup to overflow to prevent to add the rice water boiling of thermal control stage, until timer 8 time t reach dwell time t2 (being 3 minutes in the present embodiment) preset in the time memory 10, get into next boiling control stage S3.The main effect in this stage is that to prevent to add thermal control stage S1 heating heat too many and cause overflowing, and goes out effect preferably under the situation at this body structure of electric cooker product anti-overflow, and this stage can omit.
4) boiling control stage S3: show that like Fig. 7 this stage is kept fluidized state a period of time with Mi Shui, be divided into three processes and control:
A control procedure S31 seethes with excitement: the master controller 7 control timers 8 timing t that starts from scratch; And drive heater 4 and continue inner bag 2 and food heated that (the corresponding respectively B of large, medium and small rice amount in the present embodiment is 8/32,6/32,4/32 with second preset in the heating power memory 11 power accounting value B; This process is selected corresponding power accounting value B according to adding the rice amount grade that the thermal control stage judged); Until timer 8 time t reach in the time memory 10 preset one time of boiling t3 (being 60 minutes in the present embodiment), get into next boiling two control procedure S32.
Two control procedure S32 seethe with excitement: this control procedure is a most important parts in this cooking control method, also be the present invention main be different from the cook congee part of control method of existing electric cooker.The master controller 7 control timers 8 timing t that starts from scratch receives the loam cake temperature T that loam cake thermal detector 5 detects simultaneously repeatedly, and by the heating action of following rule control heater 4:
(T2 is preferably disposed in the 80-110 ℃ of scope when the loam cake temperature T is less than or equal to second preset in the temperature memory 9 temperature T 2; T2 is 96 ℃ in the present embodiment) time; Master controller 7 drives heater 4 to be continued inner bag 2 and food are heated with the 3rd preset in the heating power memory 11 power accounting value C (C is 8/32 in the present embodiment), and the loam cake temperature T is risen; (T3 is preferably disposed in the 80-110 ℃ of scope until the 3rd preset in the loam cake temperature T continues to rise to more than or equal to temperature memory 9 temperature T 3; And T3 >=T2; T3 is 98 ℃ in the present embodiment) time; Master controller 7 drives heater 4, and (the corresponding respectively D of large, medium and small rice amount in the present embodiment is 8/32,6/32,4/32 with the 4th preset in the heating power memory 11 power accounting value D; This process is selected corresponding D according to adding the rice amount grade that the thermal control stage judged) continue inner bag and food are heated, with reduction loam cake temperature T; Until continuing to drop to when the loam cake temperature T when being less than or equal to second temperature T 2, master controller 7 drives heater 4 once more to be continued inner bag and food are heated with the 3rd power accounting value C, so repeatedly.
Because through discovering, under the condition that electric cooker is low at voltage or environment temperature is lower, boiling control stage loam cake temperature is than hanging down 5~10 ℃ under other conditions.Through this control procedure, can make Mi Shui realize under the more powerful heating condition with normal condition under the same boiling heat and temperature, the boiling effect of assurance food.Until timer 8 time t reach in the time memory 10 preset two time of boiling t4 (t4 is 20 minutes in the present embodiment), get into next boiling three control procedure S33.
Three control procedure S33 seethe with excitement: because of controlling through keeping boiling for a long time the front; Make congee soup rice water dense strongly fragrant,, cause Mi Shui to overflow easily if continue to keep the food boiling according to bigger power in front boiling one, boiling two control procedures; So in this control procedure; The master controller 7 control timers 8 timing t that starts from scratch, and drive heater 4 and continue inner bag 2 and food are heated with the 5th littler power accounting value E (E is 3/32 in the present embodiment) preset in the heating power memory 11, realize a rice water gentle boil; Guarantee that the nutrition of congee soup is unlikely to run off too much; Can strengthen simultaneously the strong degree of food again, until timer 8 time t reach three time of boiling t5 (t5 is 20 minutes in the present embodiment) preset in the time memory 10, the process of cooking congee finishes.
The timer 8 that is provided with in the present embodiment can carry out timing to the time of working alone in each stage respectively, this moment master controller 7 with timer 8 each time in stage respectively with time memory 10 in the preset time of working alone compare; Timer 8 also can be accumulated timing to the working time in each stage; Accordingly; Also be preset with the accumulated operating time in each stage in the time memory 10, master controller 7 with timer 8 each stage accumulated time and time memory 10 in the preset accumulated operating time compare.
The 3rd power accounting value C and the 5th power accounting value E are monodrome in the present embodiment, all meters amount all corresponding identical C of grade or E; Also can be set to different corresponding different C or the E of rice amount grade.
The second corresponding power accounting value B of different rice amount grades is identical with the 4th power accounting value D in the present embodiment, also can be set to different value.

Claims (10)

1. electric cooker; Include pot body (1), inner bag (2), loam cake (3), heater (4), the control device (6) that is used to detect the loam cake thermal detector (5) of loam cake temperature and is used to control the work of cooking congee to inner bag (2) heating; Control device (6) includes master controller (7) and the timer that is connected with master controller respectively (8), temperature memory (9), time memory (10) and heating power memory (11); The output of loam cake thermal detector (5) is connected with the input of master controller (7), and the output of master controller (7) is electrically connected with heater (4); It is characterized in that: also be preset with second temperature T 2 and the 3rd temperature T 3 in the temperature memory (9); And T2≤T3; Also be preset with boiling one time t3, boiling two time t4 in the time memory (10), also be preset with in the heating power memory (11) and the corresponding second power accounting value B of rice amount grade, the 3rd power accounting value C, the 4th power accounting value D; Said master controller is provided with in (7): when electric cooker boiling stage heat with the second power accounting value B and accomplish the boiling one time t3 after; According to the loam cake temperature T of loam cake thermal detector (5) detection and the ratio of second temperature T 2 and the 3rd temperature T 3; Control heater (4) heats with preset the 3rd power accounting value C or the 4th power accounting value D, up to the control module that satisfies two time of the boiling t4 that sets.
2. electric cooker according to claim 1 is characterized in that: also be preset with boiling three time t5 in the said time memory (10), also be preset with in the heating power memory (11) and corresponding the 5th power accounting value E of rice amount grade; Master controller is provided with in (7): when electric cooker after boiling stage satisfies boiling two time t4, control heater (4) heats with the 5th preset power accounting value E, up to the control module that satisfies three time of the boiling t5 that sets.
3. electric cooker according to claim 1 and 2; It is characterized in that: the preset time is the time that works alone in each stage in the said time memory (10); In each stage; After master controller (7) control timer (8) the time t zero clearing, with count again time of working alone of this time in stage t and the middle corresponding preset of time memory (10) compare.
4. electric cooker according to claim 1 and 2; It is characterized in that: the preset time is the accumulated operating time in each stage in the time memory (10); In each stage, master controller (7) with timer (8) count accumulated time t and time memory (10) in accumulated operating time of corresponding preset compare.
5. the control method of cooking congee that is used for the said electric cooker of claim 2 comprises being used to keep the boiling control stage S3 that meter water keeps fluidized state at least; It is characterized in that: said boiling control stage S3 is divided into three control procedures:
A control procedure S31 seethes with excitement: master controller (7) control timer (8) the timing t that starts from scratch; And drive heater (4) with second power accounting value B heating preset in the heating power memory (11); Until timer (8) count time t reach in the time memory (10) preset one time of boiling t3, get into boiling two control procedure S32;
Two control procedure S32 seethe with excitement: master controller (7) control timer (8) the timing t that starts from scratch; Receive simultaneously the loam cake temperature T that loam cake thermal detector (5) detects repeatedly; And by the heating action of following rule control heater (4): when the loam cake temperature T was less than or equal to second preset in the temperature memory (9) temperature T 2, master controller (7) drove heater (4) with the 3rd power accounting value C heating preset in the heating power memory (11); When loam cake temperature T in more than or equal to temperature memory (9) during preset the 3rd temperature T 3, master controller (7) drives heater (4) with the 4th power accounting value D heating preset in the heating power memory (11); Until timer (8) count time t reach in the time memory (10) preset two time of boiling t4, get into boiling three control procedure S33:
Three control procedure S33 seethe with excitement: master controller (7) control timer (8) the timing t that starts from scratch; And drive heater (4) with the 5th power accounting value E heating preset in the heating power memory (11); Until timer (8) count time t reach in the time memory (10) preset three time of boiling t5, the process of cooking congee finishes.
6. the control method of cooking congee of an electric cooker comprises following four-stage successively:
1) is used to detect the detection-phase S0 of original ambient temperature condition;
2) be used to heat the Mi Shuizhi fluidized state and judge rice amount grade add thermal control stage S1;
3) be used to prevent that the violent boiling of meter water from causing overflowing stops heating period S2;
4) be used to keep the boiling control stage S3 that meter water keeps fluidized state;
It is characterized in that: boiling control stage S3 is divided into three control procedures:
A control procedure S31 seethes with excitement: master controller (7) control timer (8) the timing t that starts from scratch; And drive heater (4) with second power accounting value B heating preset in the heating power memory (11); Until timer (8) count time t reach in the time memory (10) preset one time of boiling t3, get into boiling two control procedure S32;
Two control procedure S32 seethe with excitement: master controller (7) control timer (8) the timing t that starts from scratch; Receive simultaneously the loam cake temperature T that loam cake thermal detector (5) detects repeatedly; And by the heating action of following rule control heater (4): when the loam cake temperature T was less than or equal to second preset in the temperature memory (9) temperature T 2, master controller (7) drove heater (4) with the 3rd power accounting value C heating preset in the heating power memory (11); When loam cake temperature T in more than or equal to temperature memory (9) during preset the 3rd temperature T 3, master controller (7) drives heater (4) with the 4th power accounting value D heating preset in the heating power memory (11); Until timer (8) count time t reach in the time memory (10) preset two time of boiling t4, get into boiling three control procedure S33:
Three control procedure S33 seethe with excitement: master controller (7) control timer (8) the timing t that starts from scratch; And drive heater (4) with the 5th power accounting value E heating preset in the heating power memory (11); Until timer (8) count time t reach in the time memory (10) preset three time of boiling t5, the process of cooking congee finishes.
7. according to the control method of cooking congee of claim 5 or 6 said electric cookers; It is characterized in that: one time of boiling t3, boiling two time t4 and the three time t5 that seethe with excitement preset in the time memory (10) are the time that works alone in each stage; In each stage, the time t that timer (8) is remembered be count again after the zero clearing this time in stage.
8. according to the control method of cooking congee of claim 5 or 6 said electric cookers; It is characterized in that: one time of boiling t3, boiling two time t4 and the three time t5 that seethe with excitement preset in the time memory (10) are the accumulated operating time in each stage; In each stage, the time t that timer (8) is remembered is the accumulated time in each stage.
9. according to the control method of cooking congee of claim 5 or 6 said electric cookers, it is characterized in that: the 3rd power accounting value C or the 5th power accounting value E are equal values under different rice amount grades, or different value.
10. according to the control method of cooking congee of claim 5 or 6 said electric cookers, it is characterized in that: the second power accounting value B measures under the grade at different rice with the 4th power accounting value D, is equal values, or different value.
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