CN108958315B - Method and device for controlling cooking and heating of electric cooker - Google Patents
Method and device for controlling cooking and heating of electric cooker Download PDFInfo
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- CN108958315B CN108958315B CN201710367367.0A CN201710367367A CN108958315B CN 108958315 B CN108958315 B CN 108958315B CN 201710367367 A CN201710367367 A CN 201710367367A CN 108958315 B CN108958315 B CN 108958315B
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Abstract
The invention discloses a rice cooking heating control method of an electric cooker, which comprises the following steps: water absorption of electric cookerAfter the stage is completed, heating by using a preset power regulation ratio N, and heating for a preset unit time length t according to the preset power regulation ratio N1Then, calculate at t1Temperature change per unit time value S of upper cover in time1(ii) a Comparing the temperature change value S in unit time1Adjusting the current heating power-adjusting ratio of the electric cooker according to the comparison result with the preset temperature change value S in unit time, wherein if S is detected1>S, reducing the current heating power regulation ratio, if S1<S, increasing the current heating power regulation ratio; and heating the electric cooker according to the adjusted heating power adjusting ratio. The invention also discloses a rice cooking heating control device of the electric rice cooker. The invention adjusts the numerical value of the heating power-adjusting ratio of the electric cooker according to the temperature change rate so as to fix the heating time of the electric cooker and ensure the cooking effect.
Description
Technical Field
The invention relates to the technical field of electric cookers, in particular to a method and a device for controlling rice cooking and heating of an electric cooker.
Background
When the existing electric cooker starts to cook rice, after the water absorption stage is finished, the heating power-adjusting ratio is fixed when the electric cooker is heated by big fire, different rice quantities can be caused by using the fixed power-adjusting ratio, the same firepower is used, and the heating time is different; for example, in the case of small rice, the rice is heated by using the same power adjusting ratio, the firepower is not changed, the time for heating the rice to the target state is short, and the rice is hard due to the fact that water is evaporated too much; when the rice is cooked with the same power ratio, the rice is heated to the target state for a long time, and if the fire power is too small, the heating time is too long, so that the rice at the bottom is easy to be cooked.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a rice cooking heating control method of an electric rice cooker, and aims to solve the problem that the effect of rice is influenced by different heating time caused by the change of rice quantity of the electric rice cooker because the electric rice cooker is heated by using the same power ratio during rice cooking.
The invention provides a rice cooking heating control method of an electric cooker, which comprises the following steps:
after the water absorption stage of the electric rice cooker is completed, the electric rice cooker is heated by using a preset power regulation ratio N, and the preset unit time length t is heated according to the preset power regulation ratio N1Then, calculate at t1Temperature change per unit time value S of upper cover in time1；
Comparing the temperature change value S in unit time1Adjusting the current heating power-adjusting ratio of the electric cooker according to the comparison result with the preset temperature change value S in unit time, wherein if S is detected1>S, reducing the current heating power regulation ratio, if S1<S, increasing the current heating power regulation ratio;
and heating the electric cooker according to the adjusted heating power adjusting ratio.
Preferably, after the step of heating the electric cooker according to the adjusted heating power adjustment ratio, the method further comprises:
heating according to the adjusted heating power regulation ratio for a preset unit time length t1Then, obtaining the temperature value T of the sensor of the upper cover of the electric cooker1Comparing the temperature value T of the upper cover sensor1Presetting the temperature value T of the upper cover sensor, wherein the T is the temperature value of the preset upper cover sensor;
if T1<T, comparing the current preset time interval to preset unit time length T1Inner temperature change per unit time S1Adjusting the current heating power-adjusting ratio of the electric cooker according to the comparison result with the preset unit time temperature change value S, wherein if S is detected1>S, reducing the current heating power regulation ratio, if S1<S, increasing the current heating power regulation ratio;
heating the electric cooker according to the adjusted heating power regulation ratio, and continuously executing the heating unit time length t according to the adjusted heating power regulation ratio1Then, obtaining the temperature value of the sensor on the upper cover of the electric cooker until the electric cooker reaches a boiling state;
if T1And when the temperature is more than or equal to T, heating according to the current heating power-adjusting ratio until the electric cooker reaches a boiling state.
Preferably, the step of adjusting the current heating power-adjusting ratio of the electric rice cooker according to the comparison result comprises:
when S is1>S, reducing the preset power regulation ratio to the current heating power regulation ratio;
when S is1<And S, increasing the preset power regulation ratio to the current heating power regulation ratio.
Preferably, the step of adjusting the current heating power-adjusting ratio of the electric rice cooker according to the comparison result includes:
if S1>S, heating the electric rice cooker by using a heating power regulation ratio of a previous level of the current heating power regulation ratio;
if S1<S, heating the electric rice cooker by using the heating power regulation ratio of the next level of the current heating power regulation ratio;
wherein the higher the grade is, the larger the heating power regulation ratio is.
Preferably, the method further comprises:
after the water absorption stage of the electric cooker is finished, acquiring the initial temperature value T of the sensor on the upper cover of the electric cooker0And calculating the temperature change value S in unit time according to the preset time T and the preset temperature T.
In addition, in order to achieve the above object, the present invention provides a rice cooking heating control device for an electric rice cooker, comprising:
an operation module for heating the electric cooker by using a preset power regulation ratio N after the water absorption stage is finished, and heating the electric cooker according to the preset power regulation ratio N for a preset unit time length t1；
A calculation module for calculating at t1Temperature change per unit time value S of upper cover in time1；
A comparison module for comparing the temperature variation value S per unit time1Adjusting the current heating power-adjusting ratio of the electric cooker according to the comparison result with the preset unit time temperature change value S;
an adjustment module for determining if S1>S, reducing the current heating power regulation ratio, if S1<S, increasing the current heating power regulation ratio;
the operation module is also used for heating the electric cooker according to the adjusted heating power-adjusting ratio.
Preferably, the apparatus further comprises:
an acquisition module for heating a preset unit time t according to the adjusted heating power regulation ratio1Then, obtaining the temperature value T of the sensor of the upper cover of the electric cooker1；
The comparison module is also used for comparing the temperature value T of the upper cover sensor1Presetting the temperature value T of the upper cover sensor, wherein the T is the temperature value of the preset upper cover sensor;
the operation module is also used for judging if T1<T, comparing the current preset time interval to preset unit time length T1Inner temperature change per unit time S1Adjusting the current heating power-adjusting ratio of the electric cooker according to the comparison result with the preset unit time temperature change value S, wherein if S is detected1>S, reducing the current heating power regulation ratio, if S1<S, increasing the current heating power regulation ratio;
the operation module is also used for heating the electric cooker according to the adjusted heating power regulation ratio and continuously executing the heating unit time length t according to the adjusted heating power regulation ratio1Then, obtaining the temperature value of the sensor on the upper cover of the electric cooker until the electric cooker reaches a boiling state; also for if T1And when the temperature is more than or equal to T, heating according to the current heating power-adjusting ratio until the electric cooker reaches a boiling state.
Preferably, the adjusting module is further configured to determine the S value1>S, reducing the preset power regulation ratio to the current heating power regulation ratio; also used when S1<And S, increasing the preset power regulation ratio to the current heating power regulation ratio.
Preferably, the adjusting module is further configured to determine if S1>S, heating the electric rice cooker by using a heating power regulation ratio of a previous level of the current heating power regulation ratio; also for if S1<And S, heating the electric rice cooker by using the heating power regulation ratio of the current heating power regulation ratio to the next level, wherein the higher the level is, the larger the heating power regulation ratio is.
Preferably, the acquisition module is further configured to acquire an initial temperature value T of the sensor on the upper cover of the electric rice cooker after the water absorption stage of the electric rice cooker is completed0According to the preset time T and the preset temperature T;
the calculation module is further configured to calculate the temperature change value S per unit time according to a preset time T and a preset temperature T.
After the water absorption stage of the electric rice cooker is finished, the electric rice cooker is heated by using a preset power regulation ratio N, and the preset unit time t is heated according to the preset power regulation ratio N1Then, calculate at t1Temperature change per unit time value S of upper cover in time1(ii) a Comparing the temperature change value S in unit time1Adjusting the current heating power-adjusting ratio of the electric cooker according to the comparison result with the preset temperature change value S in unit time, wherein if S is detected1>S, reducing the current heating power regulation ratio, if S1<S, increasing the current heating power regulation ratio; and heating the electric cooker according to the adjusted heating power adjusting ratio. The current heating power-regulation ratio value is regulated through the temperature change rate of power-regulation ratio heating when the rice cooker heats rice, and when the rice quantity in the rice cooker is smaller, the power-regulation ratio is reduced to increase the heating time of the rice; when the rice quantity in the electric cooker is larger, the power adjusting ratio is increased to reduce the heating time of the rice. The current heating time is increased or decreased according to the numerical value of the heating power-adjusting ratio, so that the current heating time of the electric cooker is controlled within the optimal heating time, and the cooking effect of the electric cooker is ensured.
Drawings
FIG. 1 is a schematic flow chart of a rice cooking heating control method of an electric rice cooker according to a first embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating a rice cooking heating control method of the electric rice cooker according to a second embodiment of the present invention;
FIG. 3 is a functional block diagram of the first embodiment of the rice cooking heating control device of the electric rice cooker of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Based on the above problems, the present invention provides a rice cooking and heating control method for an electric rice cooker.
Referring to fig. 1, fig. 1 is a schematic flow chart of a rice cooking heating control method of an electric rice cooker according to a first embodiment of the present invention.
In one embodiment, the method comprises:
step S10, after the water absorption stage of the electric cooker is completed, heating the electric cooker by using a preset power regulation ratio N, and heating the electric cooker according to the preset power regulation ratio N for a preset unit time t1Then, calculate at t1Temperature change per unit time value S of upper cover in time1；
According to the cooking setting of the current electric cooker, after the current electric cooker is started, the first stage absorption stage is firstly carried out, so that the rice enters the heating stage after absorbing water. The electric cooker water absorption stage is a functional stage set under the current electric cooker cooking mode, and different water absorption time is set according to the specific electric cooker model and mode. After the water absorption stage of the electric cooker is finished, the electric cooker enters a heating stage, the electric cooker is heated by using a power regulation ratio N, the power regulation ratio is a heating mode in the application of a rice cooking mode of the electric cooker, and the specific expression mode of the power regulation ratio is the duty ratio when the power is regulated by using the duty ratio, namely the heating time of the heater accounts for the proportion of one heating period in the process that the heater is heated by rated power. For example, when the heating duty ratio is 10/16, the heating duty ratio heating method is performed in a heating cycle of 16 seconds, in which 10 seconds of heating is continued and the heating is stopped for another 6 seconds. The current electric cooker is heated through the heating power regulation ratio, so that the average power of the heating effect is regulated, and the average power is the rated power regulation ratio. Specifically, the power adjusting ratio setting mode is the prior art of the current rice cooker cooking mode, and is not described herein again. At present, the electric rice cooker is additionally arrangedIn the heat mode, heating is carried out by using a heating power-adjusting ratio of N, and the unit time length t of heating is1Then, according to the heating mode of the heating power-adjusting ratio N, the unit time length t is calculated1Temperature change per unit time S1. The unit time length t1Setting the heating time as preset, wherein the value is 2s-5 s; the unit time length t1Temperature change per unit time S1The calculation method of (2) comprises: after the current electric cooker finishes the water absorption stage, acquiring a first temperature value of an upper cover sensor of the electric cooker, then heating by using a power regulation ratio N, wherein the heating unit time length t1Then, acquiring a second temperature value of the upper cover sensor of the electric cooker, dividing the difference value of the first temperature value of the upper cover sensor and the second temperature value of the upper cover sensor by the unit time length t1Is a temperature variation per unit time S of the power regulation ratio N1. Wherein the temperature change value per unit time S1As a variable, i.e. after each adjustment of the turn-on ratio N, for a heating unit time t1Then, S1The variation is made according to the actual temperature.
Step S20, comparing the temperature variation value S in unit time1Adjusting the current heating power-adjusting ratio of the electric cooker according to the comparison result with the preset temperature change value S in unit time, wherein if S is detected1>S, reducing the current heating power regulation ratio, if S1<S, increasing the current heating power regulation ratio;
calculating a temperature change value S per unit time of the heating power adjustment ratio N1And comparing the temperature variation value S with a preset unit time temperature variation value S, and adjusting the numerical value of the current heating power regulation ratio of the electric cooker according to the comparison result. The temperature change value S in unit time is the optimal temperature change rate set according to the current rice cooking mode of the electric cooker. Wherein, the specific adjustment mode includes: if S1Heating the electric cooker by using the current heating power-adjusting ratio as N as S; if S1>S, reducing the current heating power regulation ratio value to shorten the current heating time of the electric cooker; if S1<And S, increasing the current heating power regulation ratio value to prolong the current heating time of the electric cooker.
A temperature change value S per unit time of the calculated heating power adjustment ratio N1Before comparing the magnitude with the preset temperature change value S per unit time, the method further comprises:
after the water absorption stage of the electric cooker is finished, acquiring the initial temperature value T of the sensor on the upper cover of the electric cooker0And calculating the temperature change value S in unit time according to the preset time T and the preset temperature T.
After the water absorption stage of the electric cooker is finished, acquiring the initial temperature value T of the upper cover sensor of the electric cooker0Namely, the temperature value of the upper cover sensor of the electric cooker in the mode of starting cooking, using the obtained initial temperature value T of the upper cover sensor0And calculating the temperature change value S of the preset unit time in a preset calculation mode according to the preset values of the time T and the temperature T. The preset values of the time T and the temperature T are the optimal heating time and the optimal temperature of the upper cover sensor in the current rice cooker cooking mode. The preset calculation mode for calculating the temperature change value S in the preset unit time is (T-T)0) And t, the preset unit time temperature change value S calculated by the calculation mode is a fixed value.
Wherein, according to the unit time temperature variation value S1With the comparison result of presetting unit interval temperature variation value S, adjust current electric rice cooker heating power modulation ratio, its concrete adjustment mode includes:
when S is1>S, reducing the preset power regulation ratio to the current heating power regulation ratio;
according to the heating power-adjusting ratio value of the current electric cooker, when S1>And S, on the basis of the current electric cooker heating power regulation ratio value, reducing a preset power regulation ratio value in the heating power regulation ratio value, and reducing the heating time of the current electric cooker according to the value of the reduced preset power regulation ratio so that the current rice quantity in the electric cooker achieves the optimal effect of rice under the condition of reducing the heating time. The preset power regulation ratio value is a preset power regulation ratio integer value.
When S is1<S, adjusting the power ratio of the current heatingAnd increasing the preset power regulation ratio.
According to the heating power-adjusting ratio value of the current electric cooker, when S1<And S, on the basis of the current electric cooker heating power regulation ratio value, adding a preset power regulation ratio value in the power regulation ratio value, and increasing the heating time of the current electric cooker according to the value increased by the preset power regulation ratio so that the current rice quantity in the electric cooker achieves the optimal effect of rice under the condition of increasing the heating time. The preset power regulation ratio value is a preset power regulation ratio integer value.
According to the temperature change value S per unit time1With the comparison result of presetting unit interval temperature variation value S, adjust current electric rice cooker heating power modulation ratio, its concrete adjustment mode includes:
if S1>S, heating the electric rice cooker by using a heating power regulation ratio of a previous level of the current heating power regulation ratio, wherein the higher the level is, the larger the heating power regulation ratio is;
in the current heating mode of the electric cooker, setting the threshold range to set the heating power-regulation ratio time grade according to the threshold range of the heating power-regulation ratio of the electric cooker, and increasing a preset numerical value to be a power-regulation ratio numerical value of one grade in the heating power-regulation ratio grade. For example, when the threshold range of the heating power regulation ratio of the current electric cooker is 6/18-18/18, and the heating power regulation ratio values under the threshold range are classified according to grades, 2/18 is taken as an increasing value, the heating power regulation ratio values with the grade values of the heating power regulation ratio under the current threshold range are 6/18, 8/18, 10/18, 12/18, 14/18, 16/18 and 18/18, namely, the higher the grade is, the larger the heating power regulation ratio value is, the longer the heating time is. If S is the comparison result of the current heating power-adjusting ratio adjustment1>S, adjusting the current heating power regulation ratio to the heating power regulation ratio of the previous level, namely using the temperature change value S per unit time1The following heating power-adjusting ratio values. The heating power regulation ratio value of the temperature change value S1 per unit time is smaller than the temperature change value S per unit time1The heating power-adjusting ratio value of, for example, the current temperature change per unit time value S1The heating power-adjusting ratio is 10/18 at S1>In the case of SThe current heating power ratio value is adjusted to 8/18.
If S1<And S, heating the electric rice cooker by using the heating power regulation ratio of the current heating power regulation ratio to the next level, wherein the higher the level is, the larger the heating power regulation ratio is.
If S1<S, adjusting the current heating power regulation ratio to the next level heating power regulation ratio, namely using the temperature change value S per unit time1The following heating power-adjusting ratio values. Its temperature variation per unit time S1The value of the power regulation ratio is larger than the temperature change value S in unit time1The heating power ratio of (1). For example, the current temperature change value S per unit time1The heating power-adjusting ratio is 10/18 at S1<In the case of S, the current heating power ratio is adjusted to 12/18.
And step S30, heating the electric cooker according to the adjusted heating power adjusting ratio.
According to the heating power regulation ratio unit time temperature change value S1And confirming the value of the current heating power regulation ratio of the electric cooker according to the comparison result with the preset unit time temperature change value S, and heating the electric cooker according to the regulated heating power regulation ratio value, wherein the specific regulation mode refers to the content of the step S20.
In this embodiment, the temperature change value S per unit time is used1And adjusting the heating power-adjusting ratio of the current electric cooker according to the comparison result of the temperature change value S in the preset unit time so as to adjust the heating time according to the amount of rice heated in the current electric cooker and control the time for heating the rice to boiling within the optimal time so as to ensure the effect of the rice in the electric cooker.
In the method of the present invention, the value of the current heating power-adjusting ratio is adjusted based on the temperature change after heating by the heating power-adjusting ratio to control the heating time of the electric rice cooker within the optimal heating time, and refer to fig. 2, where fig. 2 is a schematic flow chart of a second embodiment of the method for controlling the heating of the electric rice cooker. Based on the first embodiment of the method, after the step of heating the electric rice cooker according to the adjusted power regulation ratio value, the method further comprises the following steps:
step (ii) ofS40, heating for a preset unit time length t according to the adjusted heating power regulation ratio1Then, obtaining the temperature value T of the sensor of the upper cover of the electric cooker1Comparing the temperature value T of the upper cover sensor1Presetting the temperature value T of the upper cover sensor, wherein the T is the temperature value of the preset upper cover sensor;
heating the current electric cooker according to the adjusted heating power-adjusting ratio value, and presetting unit time length t during heating1Then, obtaining the current temperature value T of the sensor of the upper cover of the electric cooker1The preset unit time length t1The heating time of the current heating power regulation ratio of the electric cooker is used for confirming the temperature change rate of the electric cooker under the current heating power regulation ratio value. The obtained temperature value T of the sensor of the upper cover of the electric cooker1And comparing the current heating power regulation ratio with the preset optimal temperature value T of the upper cover sensor, and determining whether the current heating power regulation ratio is the heating power regulation ratio value of the optimal heating time according to the comparison result. And the T is the optimal temperature value of the upper cover sensor under the current rice cooker cooking mode, and the value of the T is 95-99 ℃.
Step S50, if T1<T, comparing the current preset time interval to preset unit time length T1Inner temperature change per unit time S1Adjusting the current heating power-adjusting ratio of the electric cooker according to the comparison result with the preset unit time temperature change value S, wherein if S is detected1>S, reducing the current heating power regulation ratio, if S1<S, increasing the current heating power regulation ratio;
temperature value T of sensor on upper cover of electric cooker1Comparing the temperature value T with the preset upper cover sensor temperature value T, and if T is greater than T1<T, the heating power-adjusting ratio of the electric cooker is not the optimal value of the heating power-adjusting ratio. According to the currently acquired temperature value T of the upper cover sensor1And using the current power regulation ratio value to heat the temperature value T of the upper cover sensor before heatingS1Calculating the temperature variation value S of the heating power regulation ratio in unit time according to the temperature difference value of the upper cover sensor and the lower cover sensor1And a temperature variation value S per unit time based on the heating power regulation ratio1The comparison result with the preset temperature change value S in unit time is used for adjusting the current heating power adjustment of the electric cookerThe ratio value is adjusted in such a way that if S1>S, reducing the current heating power regulation ratio value, if S1<And S, increasing the current heating power regulation ratio value, wherein T is a preset temperature value. The specific manner in which the heating power ratio value is increased or decreased is checked in step S20.
Step S60, heating the electric cooker according to the adjusted heating power-adjusting ratio, and continuing to execute the heating unit time length t according to the adjusted heating power-adjusting ratio1Then, obtaining the temperature value of the sensor on the upper cover of the electric cooker until the electric cooker reaches a boiling state;
a temperature change value S per unit time by the heating power adjustment ratio1And adjusting the current heating power regulation ratio value of the electric cooker according to the comparison result with the preset unit time temperature change value S, and heating the electric cooker according to the current adjusted heating power regulation ratio value. The electric cooker is heated for a preset time t by using the adjusted heating power-adjusting ratio value1Then, the temperature change value S per unit time is calculated1And comparing the temperature value with a preset unit time temperature change value S, so as to adjust the numerical value of the current heating power-adjusting ratio of the electric cooker, stopping the operation of the current heating mode until the measured temperature value of the upper cover sensor reaches the boiling temperature value of the rice quantity in the electric cooker, and entering the next operation mode of cooking the electric cooker.
Step S70, if T1And when the temperature is more than or equal to T, heating according to the current heating power-adjusting ratio until the electric cooker reaches a boiling state.
The obtained temperature value T of the sensor of the upper cover of the electric cooker1And comparing the current heating power regulation ratio with the preset optimal temperature value T of the upper cover sensor, and determining whether the current heating power regulation ratio is the heating power regulation ratio value of the optimal heating time according to the comparison result. If T1<And T, the heating power-adjusting ratio of the current electric cooker is the optimal heating power-adjusting ratio value in the current electric cooker according to the heating mode of the rice quantity, the current heating power-adjusting ratio value is used for heating, the operation of the current heating mode is stopped after the temperature value of the upper cover sensor reaches the boiling mode of the current electric cooker, and the next operation mode of the electric cooker for cooking is entered.
In the embodiment, the obtained temperature value T of the sensor on the upper cover of the electric cooker is used1And comparing the current heating power regulation ratio with the preset optimal temperature value T of the upper cover sensor, and determining whether the current heating power regulation ratio is the heating power regulation ratio value of the optimal heating time according to the comparison result. And in the case that the current value is not the optimal heating power regulation ratio value, the temperature change value S per unit time of the heating power regulation ratio is passed1And adjusting the value of the current heating power-adjusting ratio of the electric cooker according to the comparison result with the preset temperature change value S in unit time, so that the current heating power-adjusting ratio of the electric cooker reaches the best value, and the cooking effect of the electric cooker is ensured.
The executing main body of the rice cooker cooking and heating control method of the first to second embodiments can be an electric cooker with an intelligent control board or an intelligent electronic device connected with the electric cooker through signals. Furthermore, the rice cooking and heating control method of the electric cooker can be realized by a client program installed on an intelligent electronic device in signal connection with the electric cooker, wherein the electric cooker with the intelligent control board can include, but is not limited to, electronic devices such as an electric cooker. The intelligent electronic equipment in signal connection with the electric cooker comprises but is not limited to a mobile phone, a pad, a notebook computer and the like.
The invention further provides a rice cooking and heating control device of the electric cooker.
Referring to fig. 3, fig. 3 is a functional block diagram of the first embodiment of the rice cooking and heating control device of the electric rice cooker of the present invention.
In one embodiment, the apparatus comprises: the device comprises an operation module 10, a calculation module 20, a comparison module 30, an adjustment module 40 and an acquisition module 50.
The operation module 10 is used for heating the electric rice cooker by using a preset power regulation ratio N after the water absorption stage of the electric rice cooker is finished, and heating the electric rice cooker according to the preset power regulation ratio N for a preset unit time length t1；
A calculation module 20 for calculating at t1Temperature change per unit time value S of upper cover in time1；
According to the cooking setting of the current electric cooker, after the current electric cooker is started, the first stage absorption stage is firstly carried out, so that the rice enters the heating stage after absorbing water. What is needed isThe water absorption stage of the electric cooker is a functional stage set under the current cooking mode of the electric cooker, and different water absorption time is set according to the specific type and mode of the electric cooker. After the water absorption stage of the electric cooker is finished, the electric cooker enters a heating stage, the electric cooker is heated by using a power regulation ratio N, the power regulation ratio is a heating mode in the application of a rice cooking mode of the electric cooker, and the specific expression mode of the power regulation ratio is the duty ratio when the power is regulated by using the duty ratio, namely the heating time of the heater accounts for the proportion of one heating period in the process that the heater is heated by rated power. For example, when the heating duty ratio is 10/16, the heating duty ratio heating method is performed in a heating cycle of 16 seconds, in which 10 seconds of heating is continued and the heating is stopped for another 6 seconds. The current electric cooker is heated through the heating power regulation ratio, so that the average power of the heating effect is regulated, and the average power is the rated power regulation ratio. Specifically, the power adjusting ratio setting mode is the prior art of the current rice cooker cooking mode, and is not described herein again. When the current electric cooker is in a heating mode, the heating is carried out by using a heating power-adjusting ratio of N, and the unit time length t of the heating is1Then, according to the heating mode of the heating power-adjusting ratio N, the unit time length t is calculated1Temperature change per unit time S1. The unit time length t1Setting the heating time as preset, wherein the value is 2s-5 s; the unit time length t1Temperature change per unit time S1The calculation method of (2) comprises: after the current electric cooker finishes the water absorption stage, acquiring a first temperature value of an upper cover sensor of the electric cooker, then heating by using a power regulation ratio N, wherein the heating unit time length t1Then, acquiring a second temperature value of the upper cover sensor of the electric cooker, dividing the difference value of the first temperature value of the upper cover sensor and the second temperature value of the upper cover sensor by the unit time length t1Is a temperature variation per unit time S of the power regulation ratio N1。
A comparison module 30 for comparing the temperature variation per unit time S1Adjusting the current heating power-adjusting ratio of the electric cooker according to the comparison result with the preset unit time temperature change value S;
an adjusting module 40 for adjusting the S value1>S, decreaseCurrent heating power-adjusting ratio, if S1<S, increasing the current heating power regulation ratio;
calculating a temperature change value S per unit time of the heating power adjustment ratio N1And comparing the temperature variation value S with a preset unit time temperature variation value S, and adjusting the numerical value of the current heating power regulation ratio of the electric cooker according to the comparison result. The temperature change value S in unit time is the optimal temperature change rate set according to the current rice cooking mode of the electric cooker. Wherein, the specific adjustment mode includes: if S1Heating the electric cooker by using the current heating power-adjusting ratio as N as S; if S1>S, reducing the current heating power regulation ratio value to shorten the current heating time of the electric cooker; if S1<And S, increasing the current heating power regulation ratio value to prolong the current heating time of the electric cooker.
Wherein, according to the unit time temperature variation value S1With the comparison result of presetting unit interval temperature variation value S, adjust current electric rice cooker heating power modulation ratio, its concrete adjustment mode includes:
the adjusting module 40 is further configured to determine the S value1>S, reducing the preset power regulation ratio to the current heating power regulation ratio;
according to the heating power-adjusting ratio value of the current electric cooker, when S1>And S, on the basis of the current electric cooker heating power regulation ratio value, reducing a preset power regulation ratio value in the heating power regulation ratio value, and reducing the heating time of the current electric cooker according to the value of the reduced preset power regulation ratio so that the current rice quantity in the electric cooker achieves the optimal effect of rice under the condition of reducing the heating time. The preset power regulation ratio value is a preset power regulation ratio integer value.
The adjusting module 40 is further configured to determine the S value1<And S, increasing the preset power regulation ratio to the current heating power regulation ratio.
According to the heating power-adjusting ratio value of the current electric cooker, when S1<S, based on the current electric cooker heating power regulation ratio value, adding a preset power regulation ratio value in the power regulation ratio value, and adding the preset power regulation ratio value according to the value added by the preset power regulation ratioThe heating time of the current electric cooker is shortened, so that the best effect of rice is achieved under the condition that the heating time is prolonged by the current rice amount in the electric cooker. The preset power regulation ratio value is a preset power regulation ratio integer value.
According to the temperature change value S per unit time1With the comparison result of presetting unit interval temperature variation value S, adjust current electric rice cooker heating power modulation ratio, its concrete adjustment mode includes:
the adjusting module 40 is further configured to determine if S1>S, heating the electric rice cooker by using a heating power regulation ratio of a previous level of the current heating power regulation ratio;
in the current heating mode of the electric cooker, setting the threshold range to set the heating power-regulation ratio time grade according to the threshold range of the heating power-regulation ratio of the electric cooker, and increasing a preset numerical value to be a power-regulation ratio numerical value of one grade in the heating power-regulation ratio grade. For example, when the threshold range of the heating power regulation ratio of the current electric cooker is 6/18-18/18, and the heating power regulation ratio values under the threshold range are classified according to grades, 2/18 is taken as an increasing value, the heating power regulation ratio values with the grade values of the heating power regulation ratio under the current threshold range are 6/18, 8/18, 10/18, 12/18, 14/18, 16/18 and 18/18, namely, the higher the grade is, the larger the heating power regulation ratio value is, the longer the heating time is. If S is the comparison result of the current heating power-adjusting ratio adjustment1>S, adjusting the current heating power regulation ratio to the heating power regulation ratio of the previous level, namely using the temperature change value S per unit time1The following heating power-adjusting ratio values. Its temperature variation per unit time S1The heating power-regulation ratio value is less than the temperature change value S per unit time1The heating power-adjusting ratio value of, for example, the current temperature change per unit time value S1The heating power-adjusting ratio is 10/18 at S1>In the case of S, the current heating power ratio is adjusted to 8/18.
The adjusting module 40 is further configured to determine if S1<And S, heating the electric rice cooker by using the heating power regulation ratio of the current heating power regulation ratio to the next level, wherein the higher the level is, the larger the heating power regulation ratio is.
If S1<S, adjusting the current heating power regulation ratio to the next level heating power regulation ratio, namely using the temperature change value S per unit time1The following heating power-adjusting ratio values. Its temperature variation per unit time S1The value of the power regulation ratio is larger than the temperature change value S in unit time1The heating power ratio of (1). For example, the current temperature change value S per unit time1The heating power-adjusting ratio is 10/18 at S1<In the case of S, the current heating power ratio is adjusted to 12/18.
The operation module 10 is further configured to heat the electric cooker according to the adjusted heating power adjustment ratio.
According to the heating power regulation ratio unit time temperature change value S1And confirming the value of the current heating power regulation ratio of the electric cooker according to the comparison result with the preset unit time temperature change value S, and heating the electric cooker according to the regulated heating power regulation ratio value, wherein the specific regulation mode refers to the content of the regulation module 40.
An obtaining module 50, configured to heat the preset unit time t according to the adjusted heating power regulation ratio1Then, obtaining the temperature value T of the sensor of the upper cover of the electric cooker1；
The comparison module 30 is further configured to compare the temperature value T of the upper cover sensor1Presetting the temperature value T of the upper cover sensor, wherein the T is the temperature value of the preset upper cover sensor;
heating the current electric cooker according to the adjusted heating power-adjusting ratio value, and presetting unit time length t during heating1Then, obtaining the current temperature value T of the sensor of the upper cover of the electric cooker1The preset unit time length t1The heating time of the current heating power regulation ratio of the electric cooker is used for confirming the temperature change rate of the electric cooker under the current heating power regulation ratio value. The obtained temperature value T of the sensor of the upper cover of the electric cooker1And comparing the current heating power regulation ratio with the preset optimal temperature value T of the upper cover sensor, and determining whether the current heating power regulation ratio is the heating power regulation ratio value of the optimal heating time according to the comparison result. And the T is the optimal temperature value of the upper cover sensor under the current rice cooker cooking mode, and the value of the T is 95-99 ℃.
The operating module 10 is further configured to determine if T1<T, comparing the current preset time interval to preset unit time length T1Inner temperature change per unit time S1Adjusting the current heating power-adjusting ratio of the electric cooker according to the comparison result with the preset unit time temperature change value S, wherein if S is detected1>S, reducing the current heating power regulation ratio, if S1<S, increasing the current heating power regulation ratio;
temperature value T of sensor on upper cover of electric cooker1Comparing the temperature value T with the preset upper cover sensor temperature value T, and if T is greater than T1<T, the heating power-adjusting ratio of the electric cooker is not the optimal value of the heating power-adjusting ratio. According to the currently acquired temperature value T of the upper cover sensor1And using the current power regulation ratio value to heat the temperature value T of the upper cover sensor before heatingS1Calculating the temperature variation value S of the heating power regulation ratio in unit time according to the temperature difference value of the upper cover sensor and the lower cover sensor1And a temperature variation value S per unit time based on the heating power regulation ratio1Comparing the current temperature variation value S with the preset unit time temperature variation value S, and adjusting the current heating power-adjusting ratio value of the electric cooker in a manner that if S is detected1>S, reducing the current heating power regulation ratio value, if S1<And S, increasing the current heating power regulation ratio value, wherein T is a preset temperature value. The adjustment module 40 is checked in a specific manner of increasing or decreasing the heating power ratio value.
The operation module 10 is further configured to heat the electric rice cooker according to the adjusted heating power adjustment ratio, and continue to execute the heating unit time length t according to the adjusted heating power adjustment ratio1Then, obtaining the temperature value of the sensor on the upper cover of the electric cooker until the electric cooker reaches a boiling state;
a temperature change value S per unit time by the heating power adjustment ratio1And adjusting the current heating power regulation ratio value of the electric cooker according to the comparison result with the preset unit time temperature change value S, and heating the electric cooker according to the current adjusted heating power regulation ratio value. The electric cooker is heated for a preset time t by using the adjusted heating power-adjusting ratio value1Then, the temperature per unit time is calculatedVariation value S1And comparing the temperature value with a preset unit time temperature change value S, so as to adjust the numerical value of the current heating power-adjusting ratio of the electric cooker, stopping the operation of the current heating mode until the measured temperature value of the upper cover sensor reaches the boiling temperature value of the rice quantity in the electric cooker, and entering the next operation mode of cooking the electric cooker.
The operating module 10 is further configured to determine if T1And when the temperature is more than or equal to T, heating according to the current heating power-adjusting ratio until the electric cooker reaches a boiling state.
The obtained temperature value T of the sensor of the upper cover of the electric cooker1And comparing the current heating power regulation ratio with the preset optimal temperature value T of the upper cover sensor, and determining whether the current heating power regulation ratio is the heating power regulation ratio value of the optimal heating time according to the comparison result. If T1<And T, the heating power-adjusting ratio of the current electric cooker is the optimal heating power-adjusting ratio value in the current electric cooker according to the heating mode of the rice quantity, the current heating power-adjusting ratio value is used for heating, the operation of the current heating mode is stopped after the temperature value of the upper cover sensor reaches the boiling mode of the current electric cooker, and the next operation mode of the electric cooker for cooking is entered.
A temperature change value S per unit time of the calculated heating power adjustment ratio N1Before comparing the magnitude with the preset temperature change value S per unit time, the method further comprises:
the acquisition module 50 is further configured to acquire an initial temperature value T of the sensor on the upper cover of the electric rice cooker after the water absorption stage of the electric rice cooker is completed0；
The calculating module 20 is further configured to calculate the temperature change value S per unit time according to a preset time T and a preset temperature T.
After the water absorption stage of the electric cooker is finished, acquiring the initial temperature value T of the upper cover sensor of the electric cooker0Namely, the temperature value of the upper cover sensor of the electric cooker in the mode of starting cooking, using the obtained initial temperature value T of the upper cover sensor0And calculating the temperature change value S of the preset unit time in a preset calculation mode according to the preset values of the time T and the temperature T. Wherein said presetThe values of the time T and the temperature T are the optimal heating time and the optimal temperature of the upper cover sensor in the current rice cooker cooking mode. The preset calculation mode for calculating the temperature change value S in the preset unit time is (T-T)0) And t, the preset unit time temperature change value S calculated by the calculation mode is a fixed value. Of course, in the preset calculation manner for calculating the preset temperature change per unit time value S, T may be set as a single value, or T may be set as a range value, so as to calculate that the preset temperature change per unit time value S is a single value or a range value correspondingly.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A rice cooking and heating control method of an electric cooker is characterized by comprising the following steps:
after the water absorption stage of the electric rice cooker is completed, the electric rice cooker is heated by using a preset power regulation ratio N, and the preset unit time length t is heated according to the preset power regulation ratio N1Then, calculate at t1Temperature change per unit time value S of upper cover in time1；
Comparing the temperature change value S in unit time1Adjusting the current heating power-adjusting ratio of the electric cooker according to the comparison result with the preset temperature change value S in unit time, wherein if S is detected1>S, reducing the current heating power regulation ratio, if S1<S, increasing the current heating power regulation ratio;
heating the electric cooker according to the adjusted heating power adjusting ratio;
heating according to the adjusted heating power regulation ratio for a preset unit time length t1Then, obtaining the temperature value T of the sensor of the upper cover of the electric cooker1Comparing the temperature value T of the upper cover sensor1Presetting the temperature value T of the upper cover sensor, wherein T is the temperature of the preset upper cover sensorA value of the metric;
if T1<T, comparing the current preset time interval to preset unit time length T1Inner temperature change per unit time S1Adjusting the current heating power-adjusting ratio of the electric cooker according to the comparison result with the preset unit time temperature change value S, wherein if S is detected1>S, reducing the current heating power regulation ratio, if S1<S, increasing the current heating power regulation ratio;
heating the electric cooker according to the adjusted heating power regulation ratio, and continuously executing the preset unit time length t of heating according to the adjusted heating power regulation ratio1Then, obtaining the temperature value of the sensor on the upper cover of the electric cooker until the electric cooker reaches a boiling state;
if T1And when the temperature is more than or equal to T, heating according to the current heating power-adjusting ratio until the electric cooker reaches a boiling state.
2. The rice cooking heating control method of the electric cooker as claimed in claim 1, wherein the step of adjusting the current heating power-adjusting ratio of the electric cooker according to the comparison result comprises:
when S is1>S, reducing the preset power regulation ratio to the current heating power regulation ratio;
when S is1<And S, increasing the preset power regulation ratio to the current heating power regulation ratio.
3. The rice cooking heating control method of the electric cooker as claimed in claim 1, wherein the step of adjusting the current heating power-adjusting ratio of the electric cooker according to the comparison result comprises the steps of:
if S1>S, heating the electric rice cooker by using a heating power regulation ratio of a previous level of the current heating power regulation ratio;
if S1<S, heating the electric rice cooker by using the heating power regulation ratio of the next level of the current heating power regulation ratio;
wherein the higher the grade is, the larger the heating power regulation ratio is.
4. The rice cooking heating control method of the electric cooker as claimed in claim 1, wherein the method further comprises:
after the water absorption stage of the electric cooker is finished, acquiring the initial temperature value T of the sensor on the upper cover of the electric cooker0And calculating the temperature change value S in the preset unit time according to the preset time T and the preset upper cover sensor temperature value T.
5. The utility model provides an electric rice cooker heats controlling means that cooks which characterized in that includes:
an operation module for heating the electric cooker by using a preset power regulation ratio N after the water absorption stage is finished, and heating the electric cooker according to the preset power regulation ratio N for a preset unit time length t1；
A calculation module for calculating at t1Temperature change per unit time value S of upper cover in time1；
A comparison module for comparing the temperature variation value S per unit time1Adjusting the current heating power-adjusting ratio of the electric cooker according to the comparison result with the preset unit time temperature change value S;
an adjustment module for determining if S1>S, reducing the current heating power regulation ratio, if S1<S, increasing the current heating power regulation ratio;
the operation module is also used for heating the electric cooker according to the adjusted heating power-adjusting ratio;
an acquisition module for heating a preset unit time t according to the adjusted heating power regulation ratio1Then, obtaining the temperature value T of the sensor of the upper cover of the electric cooker1；
The comparison module is also used for comparing the temperature value T of the upper cover sensor1Presetting the temperature value T of the upper cover sensor, wherein the T is the temperature value of the preset upper cover sensor;
the operation module is also used for judging if T1<T, comparing the current preset time interval to preset unit time length T1Inner temperature change per unit time S1Adjusting the current heating power-adjusting ratio of the electric cooker according to the comparison result with the preset unit time temperature change value S,wherein if S1>S, reducing the current heating power regulation ratio, if S1<S, increasing the current heating power regulation ratio;
the operation module is also used for heating the electric cooker according to the adjusted heating power regulation ratio and continuously executing the preset unit time length t of heating according to the adjusted heating power regulation ratio1Then, obtaining the temperature value of the sensor on the upper cover of the electric cooker until the electric cooker reaches a boiling state; also for if T1And when the temperature is more than or equal to T, heating according to the current heating power-adjusting ratio until the electric cooker reaches a boiling state.
6. The rice cooking heating control device of an electric cooker as claimed in claim 5, wherein the adjusting module is further configured to set S as1>S, reducing the preset power regulation ratio to the current heating power regulation ratio; also used when S1<And S, increasing the preset power regulation ratio to the current heating power regulation ratio.
7. The rice cooking and heating control device of claim 5, wherein the adjusting module is further configured to determine if S is greater than S1>S, heating the electric rice cooker by using a heating power regulation ratio of a previous level of the current heating power regulation ratio; also for if S1<And S, heating the electric rice cooker by using the heating power regulation ratio of the current heating power regulation ratio to the next level, wherein the higher the level is, the larger the heating power regulation ratio is.
8. The rice cooking and heating control device of the electric cooker as claimed in claim 5, wherein the obtaining module is further configured to obtain an initial temperature value T of the sensor on the upper cover of the electric cooker after the water absorption stage of the electric cooker is completed0；
The calculation module is further used for calculating the temperature change value S in the preset unit time according to the preset time T and the preset upper cover sensor temperature value T.
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