CN112503583B - Intelligent regulation and control system and control method for gas stove - Google Patents
Intelligent regulation and control system and control method for gas stove Download PDFInfo
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- CN112503583B CN112503583B CN202011241470.9A CN202011241470A CN112503583B CN 112503583 B CN112503583 B CN 112503583B CN 202011241470 A CN202011241470 A CN 202011241470A CN 112503583 B CN112503583 B CN 112503583B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/124—Control panels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
Abstract
The invention relates to the technical field of gas cookers, in particular to an intelligent gas cooker regulation and control system and a control method. According to the invention, through the cooperation of the main controller, the detection unit, the database, the communication device, the gas flow valve and other modules, the prediction model is established according to the data acquired in the cooking process, and the cooking program is automatically adjusted according to the prediction model, so that the database can quickly locate the current state when the cooking state changes, the automation degree and the intelligence degree of the cooking of the gas stove are improved, and the uncertain factors caused by manual control are improved. Meanwhile, the invention can automatically generate the cooking program according with the behavior habit of the user according to the manual cooking record of the user without writing by the user.
Description
Technical Field
The invention relates to the technical field of gas cookers, in particular to an intelligent gas cooker regulation and control system and a control method.
Background
The gas stove is a kitchen utensil which is heated by direct fire with gas fuels such as liquefied petroleum gas (liquid), artificial gas, natural gas and the like, and is also called a gas stove, a stove plate, a stove top and a stove, and common gas stove structures comprise a table stove structure and an embedded stove structure. Nowadays, with the rise of smart homes, the traditional gas stove can not meet the requirements of users gradually. At present, gas-cooker on the market can not realize the culinary art of higher degree of automation, the regulation of the duration and degree of heating of culinary art in-process mainly still relies on the user to independently regulate and control, even be the gas-cooker that possesses automatic cooking process, can only accomplish comparatively simple cooking, some gas-cooker that can download the culinary art procedure automatically have also appeared now, but the culinary art process of procedure is relatively fixed such as the regulation to the duration and degree of heating, be difficult to adjust to the optimum duration and degree of heating when the culinary art state changes, and the renewal of procedure needs the user to compile according to taste hobby oneself, the culinary art custom, it is comparatively loaded down with trivial details.
Disclosure of Invention
In order to solve the problems, the invention provides an intelligent gas stove regulation and control system and a control method applying the intelligent gas stove regulation and control system.
The invention is realized by adopting the following scheme:
an intelligent regulation and control system for a gas stove comprises a main controller, a display device connected with the main controller, a communication device connected with the main controller, a gas flow valve connected with the main controller, and a detection unit connected with the communication device, wherein the communication device is connected with an intelligent terminal device, and the intelligent terminal device is connected with a database for storing cooking programs; and a gas flow valve driving circuit and a gas flow valve detection circuit are also connected between the main controller and the gas flow valve.
Further, the detection unit comprises a humidity sensor for detecting the content of water vapor in the cooking process, a pressure sensor for detecting the weight of the food material, and an infrared sensor for detecting the temperature in the cooking appliance.
Further, the communication device comprises a WIFI communication module, a 2G communication module, a 3G communication module, a 4G communication module, a 5G communication module, Bluetooth and 485 communication.
Further, the display device is a touch display device.
A control method is characterized in that the intelligent gas stove regulation and control system is applied, a user selects an automatic cooking mode or a manual cooking mode when starting cooking, the user is prompted to select a cooking program when selecting the automatic cooking mode, a main controller loads the cooking program selected by the user and starts automatic cooking, the main controller generates a prediction model through parameters detected by a detection unit, the automatic cooking comprises a plurality of heating stages, and the cooking program is adjusted when the user performs self-action or a deviation value larger than a preset deviation value appears between the current heating stage and the prediction model in the cooking process until the deviation value is smaller than or equal to the preset deviation value; when a user selects a manual cooking mode, parameters, the duration of each heating stage and the total cooking time detected by a gas flow valve detection circuit are recorded through a main controller to generate a heating distribution curve graph and generate a cooking record, the cooking record is uploaded to intelligent terminal equipment after cooking is finished, the intelligent terminal equipment generates a new cooking program according to the cooking record and uploads the new cooking program to a database, and the user selects to store the new cooking program or replaces the system initial program with the new cooking program.
Furthermore, after the same cooking program is executed for multiple times, the database adjusts different duration stages of the program executed for multiple times according to the cooking habits of the user, averages the cooking time of each time in the same stage, takes the average value as the data of a new cooking program, increases the duration stages lacking in the program required by the user, and generates the new cooking program.
Further, in the automatic cooking mode, if the user adjusts the duration of the fire by himself or herself three times continuously, and the offset between the adjusted duration of the fire and the current cooking program setting duration of the fire reaches more than 30%, the main controller gives up the control right and enters the manual cooking mode.
Furthermore, the plurality of duration stages refer to time stages in different duration regions, and the duration regions comprise a low duration region, a medium duration region and a high duration stage; the low-duration region refers to a low duration when the gas flow valve is 0-30% open, the medium duration region refers to a medium duration when the gas flow valve is 30-60% open, and the high duration stage refers to a high duration when the gas flow valve is 60-100% open.
Further, in the automatic cooking mode, when the current flow of the cooking program is in the high-temperature region or the medium-temperature region and the next stage of the cooking flow is in the medium-temperature region or the high-temperature region, the flow is turned to S1, when the current flow of the cooking program is in the high-temperature region or the medium-temperature region and the next stage of the cooking flow is in the low-temperature stage, the flow is turned to S2, and when the current flow of the cooking program is in the low-temperature region and the next stage of the cooking flow is in the medium-temperature region, the flow is turned to S3;
s1, if the user operates the gas flow valve to rotate to a low duration of fire below 10%, keeping the current low duration of fire running until the user rotates the gas flow valve to leave the low duration of fire stage, returning to the original process of the cooking program to continue running, and if the user operates the gas flow valve to rotate to a duration of fire above 10%, changing the program setting duration of the current stage into the duration of fire currently operated by the user until the current stage is finished, and keeping the duration and duration of the subsequent stage unchanged;
s2, if the user operates the gas flow valve to rotate to a low-heat area and the time set at the current stage of the cooking process is over 60 percent, the cooking program ends the current process and enters the next process, and the heat adjusted by the current user is used as the set heat of the next process;
s3, if the user operates the gas flow valve to rotate to the middle heat area or the high heat area and the set time of the cooking process is over 80%, the cooking program ends the current process and enters the next process, and the heat adjusted by the current user is used as the set heat of the next process
In steps S1 and S2, if the user operated the post-operation duration and the pre-operation duration belong to the same duration region, the post-adjustment duration is used as the duration of the current flow.
Further, in the manual cooking mode, the detection unit collects the water vapor concentration and the weight of food materials in the pot during cooking in the cooking process, the collected data are input into the database for matching to obtain the current optimal duration value, the cooking prediction model is established, and when the deviation between the comparison result of the cooking prediction model and the database and the current duration value exceeds 20%, the user is prompted by voice to the current temperature and humidity and a duration adjustment suggestion is prompted.
Further, the cooking programs selected by the user comprise cooking programs stored in a database by the current user and cooking programs stored in the database by other users.
Further, when the user self-action is detected in the cooking process or the current duration and the prediction model are larger than a preset deviation value, the step of adjusting the cooking program is as follows: the detection unit detects the humidity in unit time, the weight of food materials in the pot and the water vapor concentration during cooking to judge the water content H0 of dishes, the pressure sensor detects the weight G0 of the food materials in the pot, the collected data are input into the database to be matched to obtain the current optimal duration value, the deviation between the current duration value and the current duration value is calculated, and if the deviation is larger than 10%, a user is prompted to adjust the water quantity and the oil quantity, and the duration value and the operation time are adjusted.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through the cooperation of the main controller, the detection unit, the database, the communication device, the gas flow valve and other modules, the prediction model is established according to the data acquired in the cooking process, and the cooking program is automatically adjusted according to the prediction model, so that the database can quickly locate the current state when the cooking state changes, the automation degree and the intelligence degree of the cooking of the gas stove are improved, and the uncertain factors caused by manual control are improved. Meanwhile, the invention can automatically generate the cooking program according with the behavior habit of the user according to the manual cooking record of the user, does not need to be written by the user and has high intelligent degree. On the other hand, the invention can give the prompt of the user for adjusting the duration of the fire according to the prediction model in the manual cooking mode.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent regulation and control system for a gas stove provided by the invention.
Fig. 2 is an overall flowchart of the control method of the present invention.
Fig. 3 is a flow chart of the adjustment in the automatic cooking mode of the present invention.
Included in the figure are.
Detailed Description
To facilitate an understanding of the present invention for those skilled in the art, the present invention will be described in further detail below with reference to specific embodiments and accompanying drawings.
Referring to fig. 1 to 3, the intelligent regulation and control system for the gas stove provided by the invention comprises a main controller, a display device connected with the main controller, a communication device connected with the main controller, a gas flow valve connected with the main controller, and a detection unit connected with the communication device, wherein the communication device is connected with an intelligent terminal device, and the intelligent terminal device is connected with a database for storing cooking programs; and a gas flow valve driving circuit and a gas flow valve detection circuit are also connected between the main controller and the gas flow valve.
The detection unit comprises a humidity sensor for detecting the content of water vapor in the cooking process, a pressure sensor for detecting the weight of the food material and an infrared sensor for detecting the temperature in the cooking appliance. Pressure sensor can install in iron pan support below, and humidity transducer installs in the top of culinary art operation panel, and infrared sensor can install according to specific demand and can detect the position of cooking utensil temperature.
The communication device comprises but is not limited to a WIFI communication module, a 2G communication module, a 3G communication module, a 4G communication module, a 5G communication module, Bluetooth and 485 communication. The display device is a touch display device.
The invention also provides a control method, wherein the intelligent gas stove regulation and control system is applied, a user selects an automatic cooking mode or a manual cooking mode when starting cooking, the user is prompted to select a cooking program when selecting the automatic cooking mode, the main controller loads the cooking program selected by the user and starts automatic cooking, the main controller generates a prediction model through parameters detected by the detection unit, the automatic cooking comprises a plurality of heating stages, and the cooking program is adjusted when detecting that the user acts by himself or the deviation value (10% in the embodiment) between the current heating stage and the prediction model is larger than a preset deviation value in the cooking process until the deviation value is smaller than or equal to the preset deviation value; when a user selects a manual cooking mode, parameters, the size of the duration of each heating stage and the total cooking time detected by a gas flow valve detection circuit are recorded through a main controller to generate a heating distribution curve graph and generate a cooking record, the cooking record is uploaded to intelligent terminal equipment after cooking is finished, the intelligent terminal equipment generates a new cooking program according to the cooking record and uploads the new cooking program to a database, the user selects and stores the new cooking program or replaces a system initial program with the new cooking program, namely, the user can upload a satisfactory manual cooking flow to the database so as to analyze the database according to the position change of the gas flow valve in the cooking flow and different heating durations, the cooking program is automatically generated, and the use of the user is facilitated.
After the user selects the cooking program, the start of the cooking is confirmed by pressing a mechanical knob connected to the gas flow valve, or by voice control, or by a touch display device. After the automatic cooking is started, a prompt is sent to the user, the user can put in the corresponding food materials according to the prompt, the pressure sensor obtains the weight of the side dish according to the weight of the main food materials, and the user is reminded of the suggested food material component of the system according to the weight of the main food materials.
The method comprises the steps that a default cooking program is stored in a database in advance, the default cooking program is compiled according to data obtained by a large number of experiments conducted on a menu, a cooking process, namely change and holding time of the size of a fire is set according to a cooking mode, food materials and the number of the food materials, for example, soup is cooked by adopting 20% of small fire for 5 minutes, then water is added to 90% of large fire for boiling for 15 minutes, the cooking is turned into 50% of medium fire for cooking for 40 minutes after the boiling, then the cooking is closed, and according to the actual cooking process of the dishes, corresponding interval time is reserved during the fire switching so that a user can finish operations outside a cooking area, such as adding food materials, adding water and the like.
In the process of executing the automatic cooking mode, the detection unit detects the humidity in unit time, the weight of food in the pot and the concentration of water vapor during cooking to judge the water content H0 of dishes, the pressure sensor detects the weight G0 of the food in the pot, the collected data is input into the database to be matched to obtain the current optimal duration value, the deviation between the current duration value and the current duration value is calculated, and if the deviation is larger than 10%, a user is prompted to adjust the water quantity and the oil quantity, and the duration value and the operation time are adjusted. And in the process of continuing cooking, if the environment changes (the water vapor concentration, the food material weight and the like change), updating the data, re-matching the optimal duration value and establishing a prediction model.
Specifically, the detection unit detects the humidity in unit time, the weight of the food in the pot and the water vapor concentration during cooking to judge the water content of the dish H0, and the pressure sensor detects the weight G0 of the food in the pot to establish a data packet. The design of the database is that a relational model among all variables is managed, wherein the relational model comprises modeling and logic analysis, and the model comprises data acquisition, data storage, data mining and data application. The method comprises the steps of obtaining data, namely obtaining the water vapor concentration during cooking, namely the water content of a corresponding dish and the weight of food materials, and storing the data according to a relation model; the data mining is to perform linear fitting regression analysis on the data to avoid storing the data with large deviation and large fluctuation; the data application is to output the data in a table form, and when the current cooking state is input, the corresponding duration of heat of the current state can be inquired in the database.
And (3) determining a cooking prediction model by using a regression analysis method and a least square method for the data in the data packet:
F=μ1+μ2H+μ3G
in the formula: mu 1, mu 2 and mu 3 are model coefficients, and F is the duration of the heat. The coefficient values are not unique and can be selectively set in combination with specific use cases or scenes.
When the temperature is detected to be too high and the water vapor concentration is detected to be low, a user is reminded to adjust the water quantity, the oil quantity and the food material component.
After the same cooking program is executed for multiple times, the database adjusts different duration stages of the program executed for multiple times according to the cooking habits of the user, averages the cooking time of each time in the same stage, takes the average value as the data of a new cooking program, increases the duration stages lacking in the program required by the user, and generates the new cooking program.
In the automatic cooking mode, if the user adjusts the duration of a fire by himself for three times continuously, and the offset between the adjusted duration of a fire and the set duration of a fire of the current cooking program reaches more than 30%, the main controller gives up the control right and enters the manual cooking mode.
The multiple duration stages refer to time periods in different duration regions, and the duration regions comprise a low duration region, a medium duration region and a high duration stage; the low-duration region refers to a low duration when the gas flow valve is 0-30% open, the medium duration region refers to a medium duration when the gas flow valve is 30-60% open, and the high duration stage refers to a high duration when the gas flow valve is 60-100% open. For example, the rotatable angle of the gas flow valve is 0-180 degrees counterclockwise, the detection precision of the gas flow valve detection circuit is 0.5 degrees, the size of the duration is quantified according to the proportion of the rotatable angle, and the area of 180-126 degrees is a low duration area which corresponds to 0-30 percent; the temperature of 126-72 ℃ is a medium-heat region, corresponding to 30-60%; the temperature of 72-0 ℃ is a big fire zone, corresponding to 60-100%.
In the automatic cooking mode, when the current flow of the cooking program is in a high-heat area or a medium-heat area and the next stage of the cooking flow is in the medium-heat area or the high-heat area, the flow is turned to S1, when the current flow of the cooking program is in the high-heat area or the medium-heat area and the next stage of the cooking flow is in a low-heat stage, the flow is turned to S2, and when the current flow of the cooking program is in the low-heat area and the next stage of the cooking flow is in the medium-heat area, the flow is turned to S3;
s1, if the user operates the gas flow valve to rotate to a low duration of fire below 10%, keeping the current low duration of fire running until the user rotates the gas flow valve to leave the low duration of fire stage, returning to the original process of the cooking program to continue running, and if the user operates the gas flow valve to rotate to a duration of fire above 10%, changing the program setting duration of the current stage into the duration of fire currently operated by the user until the current stage is finished, and keeping the duration and duration of the subsequent stage unchanged;
s2, if the user operates the gas flow valve to rotate to a low-heat area and the time set at the current stage of the cooking process is over 60 percent, the cooking program ends the current process and enters the next process, and the heat adjusted by the current user is used as the set heat of the next process;
s3, if the user operates the gas flow valve to rotate to the middle heat area or the high heat area and the set time of the cooking process is over 80%, the cooking program ends the current process and enters the next process, and the heat adjusted by the current user is used as the set heat of the next process
In steps S1 and S2, if the user operated the post-operation duration and the pre-operation duration belong to the same duration region, the post-adjustment duration is used as the duration of the current flow.
Under the manual cooking mode, the detection unit collects the water vapor concentration and the weight of food materials in the pot during cooking in the cooking process, the collected data are input into the database for matching, the current optimal duration value is obtained, the cooking prediction model is established, and when the deviation between the comparison result of the cooking prediction model and the database and the current duration value exceeds 20%, the current temperature and humidity of a user are prompted through voice, and a duration adjustment suggestion is prompted.
The cooking programs selected by the user comprise the cooking programs stored in the database by the current user and the cooking programs stored in the database by other users. That is, the user may use the automatic cooking program generated by the user through the manual cooking, or may select to use the automatic cooking program generated by the other user through the manual cooking.
According to the invention, through the cooperation of the main controller, the detection unit, the database, the communication device, the gas flow valve and other modules, the prediction model is established according to the data acquired in the cooking process, and the cooking program is automatically adjusted according to the prediction model, so that the database can quickly locate the current state when the cooking state changes, the automation degree and the intelligence degree of the cooking of the gas stove are improved, and the uncertain factors caused by manual control are improved. Meanwhile, the invention can automatically generate the cooking program according with the behavior habit of the user according to the manual cooking record of the user, does not need to be written by the user and has high intelligent degree. On the other hand, the invention can give the prompt of the user for adjusting the duration of the fire according to the prediction model in the manual cooking mode.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, e.g., as meaning permanently attached, removably attached, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the scope of the included claims.
Claims (10)
1. An intelligent regulation and control system of a gas stove is characterized by comprising a main controller, a display device connected with the main controller, a communication device connected with the main controller, a gas flow valve connected with the main controller and a detection unit connected with the communication device, wherein the communication device is connected with an intelligent terminal device which is connected with a database for storing cooking programs; a gas flow valve driving circuit and a gas flow valve detection circuit are also connected between the main controller and the gas flow valve; the main controller loads a cooking program selected by a user and starts automatic cooking, wherein the automatic cooking comprises a plurality of duration stages, the duration stages refer to time stages in different duration areas, and the duration areas comprise a low duration area, a medium duration area and a high duration area; the low-duration region refers to a low duration when the gas flow valve is 0-30% open, the medium duration region refers to a medium duration when the gas flow valve is 30-60% open, and the high duration stage refers to a high duration when the gas flow valve is 60-100% open;
in the automatic cooking mode, when the current flow of the cooking program is in a high-heat area or a medium-heat area and the next stage of the cooking flow is in the medium-heat area or the high-heat area, the flow is turned to S1, when the current flow of the cooking program is in the high-heat area or the medium-heat area and the next stage of the cooking flow is in a low-heat stage, the flow is turned to S2, and when the current flow of the cooking program is in the low-heat area and the next stage of the cooking flow is in the medium-heat area, the flow is turned to S3;
s1, if the user operates the gas flow valve to rotate to a low duration of fire below 10%, keeping the current low duration of fire running until the user rotates the gas flow valve to leave the low duration of fire stage, returning to the original process of the cooking program to continue running, and if the user operates the gas flow valve to rotate to a duration of fire above 10%, changing the program setting duration of the current stage into the duration of fire currently operated by the user until the current stage is finished, and keeping the duration and duration of the subsequent stage unchanged;
s2, if the user operates the gas flow valve to rotate to a low-heat area and the time set at the current stage of the cooking process is over 60 percent, the cooking program ends the current process and enters the next process, and the heat adjusted by the current user is used as the set heat of the next process;
s3, if the user operates the gas flow valve to rotate to the middle heat area or the high heat area and the set time of the cooking process is over 80%, the cooking program ends the current process and enters the next process, and the heat adjusted by the current user is used as the set heat of the next process
In steps S1 and S2, if the user operated the post-operation duration and the pre-operation duration belong to the same duration region, the post-adjustment duration is used as the duration of the current flow.
2. The intelligent gas stove regulation and control system of claim 1, wherein the detection unit comprises a humidity sensor for detecting the water vapor content in the cooking process, a pressure sensor for detecting the weight of the food material, and an infrared sensor for detecting the temperature in the cooking appliance.
3. The intelligent gas stove regulation and control system of claim 1, wherein the communication device comprises a WIFI communication module, a 2G communication module, a 3G communication module, a 4G communication module, a 5G communication module, Bluetooth and 485 communication.
4. The intelligent gas stove regulation and control system of claim 1, wherein the display device is a touch display device.
5. A control method is characterized in that the intelligent gas stove regulation and control system of any one of claims 1 to 4 is applied, a user selects an automatic cooking mode or a manual cooking mode when cooking is started, the user is prompted to select a cooking program when the user selects the automatic cooking mode, a main controller loads the cooking program selected by the user and starts automatic cooking, the main controller generates a prediction model through parameters detected by a detection unit, the automatic cooking comprises a plurality of heating stages, and the cooking program is adjusted when the user self-action is detected or a deviation value between the current heating stage and the prediction model is larger than a preset deviation value in the cooking process until the deviation value is smaller than or equal to the preset deviation value; when a user selects a manual cooking mode, parameters, the duration of each heating stage and the total cooking time detected by a gas flow valve detection circuit are recorded through a main controller to generate a heating distribution curve graph and generate a cooking record, the cooking record is uploaded to intelligent terminal equipment after cooking is finished, the intelligent terminal equipment generates a new cooking program according to the cooking record and uploads the new cooking program to a database, and the user selects to store the new cooking program or replaces the system initial program with the new cooking program.
6. The control method according to claim 5, wherein after the same cooking program is executed a plurality of times, the database adjusts different duration stages of the program executed a plurality of times according to the cooking habits of the user, averages the time of each cooking in the same period, and adds the duration stage lacking in the program required by the user as data of a new cooking program by using the average value as the data of the new cooking program to generate the new cooking program.
7. The control method according to claim 5, wherein in the automatic cooking mode, if the user adjusts the duration of the heat by himself three times in succession and the offset between the adjusted duration of the heat and the current cooking program setting duration of the heat reaches more than 30%, the main controller gives up the control right and enters the manual cooking mode.
8. The control method according to claim 5, wherein in the manual cooking mode, the detection unit collects the water vapor concentration and the weight of the food in the pot during cooking in the cooking process, the collected data is input into the database for matching to obtain the current optimal duration value, the cooking prediction model is established, and when the deviation between the comparison result of the cooking prediction model and the database and the current duration value exceeds 20%, the user is prompted by voice to the current temperature and humidity and a duration adjustment suggestion is prompted.
9. The control method of claim 5, wherein the user-selected cooking programs include cooking programs currently stored in the database by the user and cooking programs stored in the database by other users.
10. The control method of claim 5, wherein the adjusting the cooking program when the user's own actions are detected or the current duration and the prediction model have a deviation value greater than a preset deviation value during the cooking process comprises: the detection unit detects the humidity in unit time, the weight of food materials in the pot and the water vapor concentration during cooking to judge the water content H0 of dishes, the pressure sensor detects the weight G0 of the food materials in the pot, the collected data are input into the database to be matched to obtain the current optimal duration value, the deviation between the current duration value and the current duration value is calculated, and if the deviation is larger than 10%, a user is prompted to adjust the water quantity and the oil quantity, and the duration value and the operation time are adjusted.
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