Cooking control method and cooking utensil

Abstract

The invention discloses a cooking control method and a cooking utensil, the cooking control method comprises a pre-cooking process and a mixed cooking process, the pre-cooking process comprises a pre-cooking temperature rise stage, and the cooking temperature of the cooking utensil is controlled to rise to a first pre-cooking temperature; the cooking utensil is controlled to be heated in a third preset power mode in the mixed cooking process, the third preset power mode comprises the step of controlling the cooking utensil to execute starting and stopping heating of multiple time periods T, the single time period T comprises the heating duration tp, the first pre-cooking duration tr1 from heating starting to the cooking temperature reaching the first pre-cooking temperature in the pre-cooking temperature rising stage is obtained, and the second pre-cooking duration tr2 is obtained; the heating duration tp is determined on the basis of the first pre-cooking duration tr1 in the mixed cooking procedure. According to the application, the heating duration in a single time period of the mixed cooking process can be adjusted according to the heating duration of independent cooking of the difficult-to-cook grains, so that the cooking effect of the difficult-to-cook grains and the cooking effect of the easy-to-cook grains can be balanced, the difficult-to-cook grains in the cooked mixed rice are soft and glutinous in mouth feel, and the easy-to-cook grains are moderate in mouth feel.

Description

Technical Field

[0001] The present application relates to the technical field of kitchen appliances, and in particular to a cooking control method and a cooking appliance. Background Art

[0002] Electric heating cooking appliances such as rice cookers usually have the function of cooking mixed rice, which is to add grains such as red beans, red beans, and brown rice that are relatively difficult to cook to rice. The traditional method of cooking mixed grain rice is to first soak the difficult-to-cook grains at a low temperature (for example, below 55°C), and then cook them with rice at normal pressure. The soaking time for difficult-to-cook grains alone and the cooking time for difficult-to-cook grains with rice are usually set separately based on experience. This may result in insufficient water absorption of the grains, while the rice mixed therein absorbs too much water, which ultimately leads to the rice being too soft and the grains being too hard in the mixed grain rice cooked using the existing special cooking program designed for mixed grain rice, and the grains may even be undercooked. There is also the possibility that the grains absorb too much water, resulting in the grains in the cooked mixed grain rice being too soft relative to the rice.

[0003] Therefore, a cooking control method and a cooking appliance are needed to at least partially solve the above problems. Summary of the invention

[0004] The content of the invention introduces a series of simplified concepts, which will be further described in detail in the detailed description. The content of the invention does not mean to attempt to define the key features and essential technical features of the claimed technical solution, nor does it mean to attempt to determine the scope of protection of the claimed technical solution.

[0005] To at least partially solve the above problems, the present application proposes a cooking control method in one aspect, which is used for a cooking appliance. The cooking control method includes:

[0006] a precooking process, controlling the cooking utensils to heat the hard-to-cook grains separately, the precooking process comprising a precooking temperature rising stage, controlling the cooking temperature of the cooking utensils to rise to a first precooking temperature; and

[0007] a mixed cooking process, controlling the cooking appliance to heat the easy-to-cook grain and the pre-cooked difficult-to-cook grain together, and in the mixed cooking process controlling the cooking appliance to heat in a third preset power mode, wherein the third preset power mode includes controlling the cooking appliance to perform start-stop heating for multiple time periods T, and a single time period T includes a heating time t p ,

[0008] The first precooking time t from the start of heating to the cooking temperature reaching the first precooking temperature in the precooking heating stage is obtained. r1 ,and

[0009] In the mixing and cooking process, based on the first pre-cooking time t r1 Determine the heating time t p , and the heating time t p Satisfies the following relationship:

[0010]

[0011] Wherein, A and B are constant values, and the heating time t p The unit is seconds, the first pre-cooking time t r1 The unit is minutes.

[0012] According to this solution, the water absorption rate of the hard-to-cook grains in the pre-cooking heating stage is relatively high, and the heating time t in a single time cycle of the co-cooking process is reduced to p The heating time for cooking hard-to-cook grains separately (i.e. the first pre-cooking time t r1 ) is associated with the heating time in a single time period of the mixed cooking process, so that the heating time in a single time period of the mixed cooking process can be adjusted according to the heating time of the hard-to-cook grain alone. Specifically, the heating time t p is the first pre-cooking time t r1 The piecewise function of the first pre-cooking time t for different time ranges r1 Set the heating time t p .

[0013] In this way, the cooking effects of difficult-to-cook grains and easy-to-cook grains can be balanced, so that the difficult-to-cook grains in the cooked mixed rice have a soft and glutinous texture, and the easy-to-cook grains have a moderate soft and hard texture, thereby improving the cooking effect of the cooking utensil.

[0014] Optionally, the value A is 6, the value B is 10, and the heating time t p Satisfies the following relationship:

[0015]

[0016] And / or value A<10, value B≥10.

[0017] According to this scheme, based on the amount of hard-to-cook grains and water added and the set heating power, the pre-cooking time required for hard-to-cook grains in the pre-cooking and heating stage is generally less than or slightly more than 10 minutes. The heating time t is set based on the pre-cooking time under normal circumstances. p , making cooking utensils more applicable and meeting the cooking needs of a wide range of consumers.

[0018] Optionally, the cooking control method further comprises: obtaining the ambient temperature T of the environment where the cooking appliance is located E ,

[0019] Wherein, in the mixing and cooking process, based on the first pre-cooking time tr1 and the ambient temperature T E The two determine the heating time t p , and the heating time t p Satisfies the following relationship:

[0020] t p =f(t r1 )+f(T E )

[0021]

[0022] Wherein, the ambient temperature T E The unit is degrees Celsius.

[0023] According to this solution, the temperature of the environment where the cooking utensils are located will also affect the heating effect of the ingredients. The heating time t in a single time cycle of the mixing and cooking process is p Related to the ambient temperature, it can compensate for the heat loss caused by the ambient temperature and ensure the heating effect of the mixing and cooking process.

[0024] Optionally, the heating time t p The duty cycle D in the time period is set to 0.3-0.8.

[0025] According to this solution, it can be ensured that the heating heat during mixed cooking can meet the heating needs of the ingredients, avoiding insufficient heating due to too little heat and heat loss due to too much heat.

[0026] Optionally, the third preset power mode further includes: heating the first mixing and boiling time t at the first mixing and boiling power in the early period of the mixing and boiling process. m1 , wherein, when the first mixing time is t r1 When the heating reaches 15 to 30 time periods or 5 to 10 minutes, the heating is stopped; and a first decrease ΔT of another cooking temperature based on the cooking utensil is d1 , determine whether to continue heating at the first mixing power.

[0027] According to this solution, the heating is stopped for a period of time during the mixing and cooking process, and the ingredients do not boil and roll temporarily. At this time, the water in the middle and upper part of the pot will flow to the bottom of the pot to prevent the bottom of the pot from peeling. It also prevents the cooking temperature from dropping too much due to stopping heating, which affects the cooking effect of the mixed rice.

[0028] Optionally, the first drop amount ΔT d1The temperature of the inner pot is 3-8°C; thus, even if the heating is stopped during the cooking process, the cooking effect of the mixed rice will not be affected. And / or the first cooking power is 50% of the full power; thus, the ingredients can be heated with medium heat in the early stage of cooking to quickly heat the ingredients. And / or the other cooking temperature is the bottom temperature of the cooking utensil. Thus, the bottom temperature of the inner pot is closer to the temperature of the ingredients at the bottom of the inner pot, which can more effectively prevent the ingredients from peeling at the bottom of the inner pot.

[0029] Optionally, the third preset power mode further includes: heating the first mixing and boiling time t at the first mixing and boiling power in the early period of the mixing and boiling process. m1 , in the later period of the mixing and boiling process, the second mixing and boiling power is used to heat the second mixing and boiling time t which is less than the first mixing and boiling power m2 .

[0030] According to this scheme, a large fire is required in the early stage of the co-cooking process to quickly heat up the ingredients, promote uniform mixing of difficult-to-cook grains and easy-to-cook grains, water absorption of easy-to-cook grains, and further water absorption of difficult-to-cook grains; a smaller fire is required in the later stage to soften and mature the difficult-to-cook grains and easy-to-cook grains simultaneously, so that the mixed rice is moderately soft and hard.

[0031] Optionally, the duty cycle of the first mixing and cooking power is greater than the duty cycle of the second mixing and cooking power; and / or the first mixing and cooking time t m1 Greater than the second mixing time t m2 Thus, the overall time of heating the ingredients at medium heat is longer than that at low heat, and the cooking effect of the mixed rice is better. And / or the second mixed cooking power is 30% of the full power, so that the ingredients are heated at low heat in the later period of mixed cooking.

[0032] Optionally, the cooking control method further comprises: obtaining a total capacity V of the cooking utensil for cooking ingredients 容 , and the total volume of hard-to-cook grain and water V 物 ;

[0033] Based on the total capacity V 容 and the total volume V 粮 Both estimate the first pre-cooking time t r1 , and the first pre-cooking time t r1 Satisfies the following relationship:

[0034]

[0035] The volume of water is determined based on the mass or volume of the difficult-to-cook grain and the easy-to-cook grain, wherein the mass ratio of the difficult-to-cook grain to the easy-to-cook grain is less than or equal to 1.

[0036] According to this solution, when the temperature difference in the precooking heating stage and the first precooking power are constant factors, the first precooking time t can be estimated based on the amount of ingredients and water added. r1 (i.e. heating time), the amount of content added is directly proportional to the heating time, that is, the greater the amount of content added, the longer the heating time.

[0037] Optionally, the cooking appliance includes a timing device, and the cooking control method further includes recording the first pre-cooking time t by the timing device. r1 .

[0038] According to this solution, the heating time can be obtained by a timing device, and the obtaining method is easier and more accurate.

[0039] Optionally, the precooking process also includes a precooking temperature maintenance stage, which controls the cooking temperature to be maintained at the second precooking temperature, wherein when the cooking temperature reaches the first precooking temperature, the cooking appliance is controlled to stop heating for a preset time and then enters the precooking temperature maintenance stage.

[0040] According to the present solution, the problem of overflowing the pot can be effectively avoided by stopping heating and releasing the residual heat.

[0041] Optionally, in the pre-cooking temperature rising stage, the cooking appliance is controlled to heat in a first preset power mode, and in the pre-cooking temperature maintaining stage, the cooking appliance is controlled to heat in a second preset power mode whose average heating power is less than the first preset power mode.

[0042] According to this scheme, a larger fire is required in the pre-cooking temperature-raising stage to quickly heat up the ingredients, which is beneficial to shorten the cooking time and improve the water absorption effect; a smaller fire is required in the pre-cooking temperature-maintaining stage, which can reduce heating energy consumption and reduce the power consumption of cooking utensils.

[0043] Optionally, the second pre-cooking power in the second preset power mode is adjusted based on a change in the second pre-cooking temperature within a preset time period.

[0044] According to this solution, the cooking temperature can be stably maintained at the second pre-cooking temperature, the temperature control method is more accurate, and large temperature fluctuations can be avoided.

[0045] The cooking temperature is the temperature of the cooking cavity, the first pre-cooking temperature is 85-90°C, and the second pre-cooking temperature is 85-90°C.

[0046] According to this scheme, controlling the temperature in the pre-cooking and temperature-maintaining stage can reduce evaporation losses and keep the evaporation losses below a certain value, making it easier to control the amount of water in the mixing and cooking process and avoiding the problem of mixed rice being too soft or too hard.

[0047] The first pre-cooking power in the first preset power mode is 80% to 100% of the full power. In the pre-cooking heating stage, high fire or high-power heating is used, which can not only quickly heat up and shorten the pre-cooking process time, but also speed up the tumbling of difficult-to-cook grains, so that the difficult-to-cook grains at different positions in the cooking utensil are heated evenly, which is beneficial to improving the water absorption effect of the difficult-to-cook grains.

[0048] And / or the second pre-cooking power in the second preset power mode is 30% to 80% of the full power. Using medium-low heat or medium-low power to maintain the cooking temperature can reduce heating energy consumption, reduce the power consumption of the cooking appliance, and make it easy to control the temperature, avoiding the occurrence of overflowing due to excessive temperature; it can effectively reduce evaporation loss, control the evaporation loss below a certain value, facilitate more stable water control in the mixed cooking process, and avoid the problem of mixed rice being too soft or too hard.

[0049] Optionally, the cooking utensil includes a prompting device for issuing a reminder of adding material information, and the cooking control method further includes: controlling the prompting device to issue a reminder of adding material information according to the pre-cooking time of difficult-to-cook grains; and controlling the cooking utensil to enter the mixing and cooking process according to information indicating that the cooking utensil is successively in an open-lid state and a closed-lid state.

[0050] According to this solution, with the help of the prompt device, the time to add ingredients can be known, so that easy-to-cook grains can be added in time. The trigger condition for switching from the pre-cooking process to the co-cooking process can be the action of opening and closing the lid. After closing the lid, the co-cooking process is automatically entered, which simplifies the operation process and avoids the user manually switching the process; it can avoid misjudgment caused by user misoperation, so that the operation of the cooking appliance is accurate.

[0051] Optionally, based on the second decrease ΔT of the cooking temperature d2 , judging whether the cooking appliance is in an open cover state; based on the increase in the cooking temperature ΔT r1 , determine whether the cooking appliance is in a closed state.

[0052] According to this solution, the open and closed states of the cooking utensil can be determined based on the detected change in cooking temperature, and the determination method is easy and reliable.

[0053] According to another aspect of the present application, a cooking appliance is provided, comprising:

[0054] pot body;

[0055] An inner pot, the inner pot being arranged in the pot body;

[0056] A cover body, the cover body is openably disposed above the pot body to form a cooking cavity between the inner pot and the cover body;

[0057] a temperature sensing device for detecting the temperature of the cooking cavity, the bottom temperature of the inner pot and / or the ambient temperature of the environment in which the cooking utensil is located;

[0058] A heating device for heating the inner pot; and

[0059] A control device is configured to control the cooking appliance to cook using the cooking control method as described in any one of the above aspects.

[0060] According to this solution, during the cooking process of the cooking apparatus, the heating time in a single time period of the mixed cooking process can be adjusted according to the heating time of cooking the hard-to-cook grains separately. Specifically, the heating time t p is the first pre-cooking time t r1 The piecewise function of the first pre-cooking time t for different time ranges r1 Set the heating time t p Thus, the cooking effects of the hard-to-cook grains and the easy-to-cook grains can be balanced, so that the hard-to-cook grains in the cooked mixed rice have a soft and glutinous texture, and the easy-to-cook grains have a moderate hardness and softness, thereby improving the cooking effect of the cooking utensil. BRIEF DESCRIPTION OF THE DRAWINGS

[0061] The following drawings of the present application are used as a part of the present application for understanding the present application. The drawings show the implementation modes of the present application and the description thereof, and are used to explain the principle of the present application.

[0062] In the attached figure:

[0063] Figure 1 is a structural block diagram of a cooking appliance according to a preferred embodiment of the present application;

[0064] Figure 2 for Figure 1 A flowchart of a portion of a cooking control method performed by a cooking appliance shown in;

[0065] Figure 3 for Figure 1 Another partial flow chart of the cooking control method performed by the cooking appliance shown in ;

[0066] Figure 4 It is a partial schematic diagram of a cooking appliance according to a preferred embodiment of the present application.

[0067] Description of reference numerals:

[0068] 10 Cooking Utensils

[0069] 11 Inner pot

[0070] 12 Heating device

[0071] 13 Top temperature sensing device

[0072] 14 Bottom temperature sensing device

[0073] 15 Control Device

[0074] 16 Prompt device

[0075] 17 Start button

[0076] 18 Screen

[0077] 19 "No-soaking grains" button DETAILED DESCRIPTION

[0078] In the following description, a large number of specific details are provided to provide a more thorough understanding of the present application. However, it is apparent to those skilled in the art that the present application can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present application, some technical features well known in the art are not described.

[0079] In order to thoroughly understand the present application, a detailed description will be provided in the following description. Obviously, the implementation of the embodiments of the present application is not limited to the specific details familiar to those skilled in the art. The preferred embodiments of the present application are described in detail below, but in addition to these detailed descriptions, the present application may also have other embodiments.

[0080] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of the features, wholes, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components and / or combinations thereof.

[0081] Ordinal numbers such as “first” and “second” cited in the present application are merely identifications and do not have any other meanings, such as a specific order, etc. Moreover, for example, the term “first component” itself does not imply the existence of the “second component”, and the term “second component” itself does not imply the existence of the “first component”.

[0082] It should be noted that the terms "upper", "lower", "front", "back", "left", "right", "inside", "outside" and similar expressions used in this document are for illustrative purposes only and are not limiting.

[0083] Now, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in a variety of different forms and should not be interpreted as being limited to the embodiments set forth herein. It should be understood that these embodiments are provided to make the disclosure of the present application thorough and complete, and to fully convey the concepts of these exemplary embodiments to those of ordinary skill in the art.

[0084] The present application provides a cooking control method, which is used for an electrically heated cooking appliance 10 .

[0085] The cooking device 10 comprises a pot body and a cover body. Figure 1 ) can be arranged in the pot body, specifically, the pot body has a cylindrical inner pot storage part. The inner pot 11 can be fixedly arranged at the inner pot storage part, or can be freely placed in the inner pot storage part or taken out from the inner pot storage part to facilitate the cleaning of the inner pot 11. When cooking, ingredients such as rice, millet, etc. and water can be added to the inner pot 11. The ingredients and water added to the inner pot 11 can be called contents. The pot body includes a heating device 12 for heating to heat the inner pot 11.

[0086] It can be understood that the cooking utensil 10 according to the present application can be an electric rice cooker, an electric cooking pot or other cooking utensil 10, and the cooking utensil 10 can have various functions such as cooking porridge in addition to the function of cooking rice.

[0087] The cover has a shape that is substantially corresponding to the pot body. The cover can be opened and closed on the pot body. Specifically, it is pivotally connected to the pot body through a pivot shaft and can freely pivot between a closed position and an open position relative to the pot body around a pivot axis where the pivot shaft is located, so as to facilitate the closing and opening of the pot body. When the cover is closed on the pot body, it covers the inner pot 11 and forms a cooking cavity between the inner pot 11. The cover is usually also provided with a pot mouth sealing ring, which can be made of, for example, a rubber material, and is arranged between the cover and the inner pot 11 to seal the cooking cavity when the cover is in the closed state.

[0088] The cooking utensil 10 may also be provided with a temperature sensing device. For example, a temperature sensing device for detecting the temperature of the contents in the inner pot 11 may be provided, and the temperature sensing device may be provided on the cover body and / or the inner pot 11, and its detection end may extend into the contents. A top temperature sensing device 13 may be provided for detecting the temperature of the cooking cavity between the inner pot 11 and the cover body, and the top temperature sensing device 13 may be provided on the cover body, and its detection end is above the contents. A bottom temperature sensing device 14 may also be provided for detecting the bottom temperature of the inner pot 11, and the bottom temperature sensing device 14 is provided below the inner pot 11. The bottom temperature of the inner pot 11 is also referred to as the bottom temperature of the cooking utensil 10 hereinafter. A temperature sensing device for detecting the steam temperature at the steam port 16 may also be provided, and the temperature sensing device is provided in the steam channel.

[0089] The cooking utensil 10 may include a heating device 12 disposed at the bottom of the inner pot 11, and the heating device 12 may be a heating plate. Optionally, the cooking utensil 10 may also include a heating device 12 disposed at the side of the inner pot 11 and / or a heating device 12 disposed at the cover.

[0090] The cooking appliance 10 includes a control device 15. The control device 15 is used to control the cooking appliance 10 to cook. Further, the control device 15 is configured to control the cooking appliance 10 to cook using the cooking control method provided in the present application. The control device 15 is electrically connected to the heating device 12, the temperature sensing device and other devices. The control device 15 can control the start, heating duration and heating mode of the heating device 12 to control the heating. The control device 15 can receive a temperature-related signal from the temperature sensing device, and control the heating device 12 according to the signal to control the heating more accurately.

[0091] There are various ingredients for cooking, which can be divided into hard-to-cook food and easy-to-cook food. Adding hard-to-cook food and easy-to-cook food into the inner pot 11 and cooking them can obtain mixed rice. The hard-to-cook food and easy-to-cook food have the following differences:

[0092] Difficult-to-cook grains have a waxy cortex, gluten layer or aleurone layer and are rich in dietary fiber, such as beans such as red beans, soybeans, black beans, chickpeas, white kidney beans, and mung beans, and whole grains such as sorghum, wheat, barley, oats, quinoa, rye, brown rice, black rice, highland barley, coix seeds, and corn. The dietary fiber content of difficult-to-cook grains is generally above 10g / 100g.

[0093] Generally speaking, when a cooking appliance 10 such as an electric rice cooker adopts a non-pressure cooking process, ingredients that cannot be cooked together with rice are difficult to cook.

[0094] Under normal atmospheric pressure, when the difficult-to-cook grains absorb water for 30 minutes at 30°C-40°C, their water absorption rate is ≤15%. Further, under normal atmospheric pressure, when the difficult-to-cook grains absorb water at 30°C-40°C, their water absorption rate is ≤0.5% / min.

[0095] Under normal atmospheric pressure and room temperature, the time required for difficult-to-cook grains to reach saturated moisture content is ≥1.5h.

[0096] The cooking device 10 of the present application has a "no soaking grains" function. Therefore, a cooking control method is provided for executing the function. Further, the cooking control method can implement the "no soaking grains" program. Therefore, if Figure 2 As shown, the panel of the cooking appliance 10 may be provided with a start button 17, a screen 18, and a "no soaking grains" button 19. The user can view the current selection through the screen 18 display, and the user can first press the "no soaking grains" button 19, and then press the start button 17 to start cooking.

[0097] The cooking control method of the present application is described below.

[0098] The cooking control method of the present application includes a precooking process and a co-cooking process after the precooking process. The "precooking process" refers to cooking the difficult-to-cook grains separately, that is, in the precooking process, the cooking utensil 10 is controlled to heat the difficult-to-cook grains separately. The "co-cooking process" refers to cooking the difficult-to-cook grains and the easy-to-cook grains together, that is, in the co-cooking process, the cooking utensil 10 is controlled to heat the easy-to-cook grains and the precooked difficult-to-cook grains together. The precooking process may include a precooking temperature-raising stage and a precooking temperature-maintaining stage for the difficult-to-cook grains. The co-cooking process may include a co-cooking temperature-raising stage, a co-cooking boiling stage, etc. In addition, it also includes a rice stewing stage.

[0099] Specifically, a typical process for cooking difficult-to-cook grains and easy-to-cook grains is as follows:

[0100] S1: Add hard-to-cook grains and a predetermined amount of water into the cooking device 10.

[0101] In this step, the hard-to-cook food has been pre-cleaned. The food can be cleaned manually and then manually added to the inner pot 11 of the cooking device 10; alternatively, the food can be automatically cleaned by the cooking device 10 with cleaning and feeding functions, and then the cleaned food can be automatically added to the inner pot 11 of the cooking device 10; alternatively, the cleaned food can be packaged and placed in a storage container of the cooking device 10 in advance, and then the food can be automatically added from the storage container to the inner pot 11 of the cooking device 10.

[0102] At this time, the content of the cooking device 10 includes hard-to-cook grains and water. When two or more hard-to-cook grains are included, the weights of the hard-to-cook grains can be equal, different, or in a certain ratio.

[0103] It should be noted that the amount of water required for different difficult-to-cook grains to absorb water is not very different. The present application optionally adopts one-time water addition, that is, adding enough water at one time before the pre-cooking process begins, which can avoid adding a certain amount of water again during the cooking process, which affects the taste of the mixed rice. Of course, considering that a small amount of water will be lost by evaporation during high-temperature pre-cooking, a small amount of water can be added when adding easy-to-cook grains.

[0104] S2: Controlling the cooking appliance 10 to heat the hard-to-cook grains separately.

[0105] In this step, the control device 15 can control the heating device 12, thereby controlling the cooking device 10 to heat. The difficult-to-cook grains are added to the inner pot 11 before the easy-to-cook grains, so that the difficult-to-cook grains can be pre-cooked first. In order to shorten the cooking time of the mixed rice, the present application uses a high-temperature pre-cooking method to pre-cook the difficult-to-cook grains. Specifically, during the pre-cooking stage of the difficult-to-cook grains, the cooking temperature is controlled at a higher pre-cooking temperature, for example, the pre-cooking temperature can be greater than or equal to 85°C.

[0106] In one embodiment, the heating of the cooking utensil 10 can be controlled according to the temperature of the contents in the inner pot 11, in which case the cooking temperature is the temperature of the contents. In another embodiment, the heating of the cooking utensil 10 can be controlled according to the steam temperature at the steam port, in which case the cooking temperature is the steam temperature at the steam port. In yet another embodiment, the heating of the cooking utensil 10 can be controlled according to the temperature of the cooking cavity, in which case the cooking temperature is the temperature of the cooking cavity. In yet another embodiment, the heating of the cooking utensil 10 can be controlled according to the bottom temperature of the cooking utensil 10, in which case the cooking temperature is the bottom temperature of the cooking utensil 10.

[0107] The heating of the cooking appliance 10 may be controlled individually according to one of the above-mentioned temperatures. Of course, if necessary and / or desired, the heating of the cooking appliance 10 may also be controlled jointly according to two or more of the above-mentioned temperatures.

[0108] In this embodiment, the difficult-to-cook grains are pre-cooked under high temperature conditions, which can accelerate the water absorption rate of the difficult-to-cook grains, improve the water absorption rate of the difficult-to-cook grains, enable the difficult-to-cook grains to quickly absorb water and reach the desired moisture content, shorten the pre-cooking time of the difficult-to-cook grains, and then the difficult-to-cook grains that have reached the desired moisture content are cooked together with the easy-to-cook grains. Pre-cooking the difficult-to-cook grains at high temperature first can not only greatly shorten the cooking time of food, meet the requirements of fast-paced life for fast food, avoid problems such as microbial contamination and odor caused by long-term soaking, but also can be applied to commonly used ordinary rice cookers and have a wider application.

[0109] By adopting this cooking control method, difficult-to-cook grains and easy-to-cook grains can be cooked simultaneously and evenly blended. The cooked mixed rice is not only soft and hard enough and delicious, but also takes less time, which can enhance the consumer's user experience.

[0110] It should be noted that all temperatures mentioned herein refer to temperatures under normal pressure. In other words, the cooking utensil 10 is an ordinary rice cooker, and during cooking, the cooking utensil 10 is connected to the outside atmosphere, for example, via a steam channel.

[0111] It can be understood that in the scheme where the cooking temperature is the temperature of the contents, when the water in the inner pot 11 completely or mostly immerses the food, such as in the pre-cooking stage, the detected content temperature is the water temperature; when there is less water in the inner pot 11, such as in the rice stewing stage, the detected content temperature is the temperature of the food.

[0112] The pre-cooking time of the hard-to-cook grain is controlled to a first preset time t1, that is, the time of the pre-cooking process is controlled to the first preset time t1. The first preset time t1 can be 40 to 50 minutes, for example, 40 minutes, 42 minutes, 44 minutes, 46 minutes, 48 ​​minutes, 50 minutes, etc. The traditional method of soaking hard-to-cook grains at low temperature usually requires a soaking time of more than 2 hours. Compared with the traditional method, the use of high-temperature pre-cooking can greatly shorten the water absorption time of the hard-to-cook grains, so that the water absorption time can be shortened to less than 1.5 hours.

[0113] It can be understood that under the same conditions, different hard-to-cook grains have different water absorption rates, and the first preset time t1 required for hard-to-cook grains with low water absorption rates is longer than the first preset time t1 for hard-to-cook grains with high water absorption rates. The corresponding pre-cooking time can be set according to the water absorption rate of the hard-to-cook grains.

[0114] S3: Add easy-to-cook grains into the cooking device 10.

[0115] In this step, the easy-to-cook grains are pre-cleaned, and the cleaning method is similar to step S1. At this time, the contents of the cooking utensil 10 include difficult-to-cook grains, water, and easy-to-cook grains.

[0116] When the first preset time t1 is about to be reached, the easy-to-cook grains can be added into the cooking device 10. In this solution, the easy-to-cook grains can be soaked at low temperature in advance, for example, below 55° C., or not soaked at low temperature in advance.

[0117] Alternatively, the easy-to-cook grains can be added to the cooking device 10 within the preset feeding period before the first preset time t1 is reached, wherein the easy-to-cook grains are not soaked. In this solution, the easy-to-cook grains do not need to be soaked at low temperature in advance, and the easy-to-cook grains absorb water within the preset feeding period. The easy-to-cook grains after absorbing water can be better cooked together with the difficult-to-cook grains that have reached the desired moisture content, so that the mixed rice is cooked in a shorter time and the rice is softer. This solution avoids the soaking operation of the consumer, which is conducive to improving the automation level of the cooking device 10.

[0118] It is understandable that under the same conditions, different easy-to-cook grains have different water absorption rates, and the preset time period required for easy-to-cook grains with low water absorption rates is longer than the preset time period for easy-to-cook grains with high water absorption rates. The corresponding adding time can be set according to the water absorption rate of the easy-to-cook grains.

[0119] S4: Controlling the cooking appliance 10 to heat both the difficult-to-cook grains and the easy-to-cook grains.

[0120] The cooking device 10 enters the mixing and cooking process. As the easy-to-cook grain is added, the cooking temperature will drop. At this time, the cooking device 10 is controlled to heat up, so that the cooking temperature rises to the temperature at which water begins to boil. The cooking device 10 is controlled to maintain the boiling temperature of water for a certain period of time, and then the rice is stewed to stew the excess water in the mixed rice. It can be understood that under normal pressure conditions, the boiling temperature of water is 100°C.

[0121] Furthermore, the step of pre-cooking the hard-to-cook grains includes a pre-cooking temperature raising stage and a pre-cooking temperature maintaining stage. The pre-cooking temperature includes a first pre-cooking temperature and a second pre-cooking temperature.

[0122] The control method also includes:

[0123] S21: In the pre-cooking temperature rising stage, the cooking temperature of the cooking appliance 10 is controlled to rise to a first pre-cooking temperature.

[0124] In this step, the cooking device 10 is heated from the initial temperature to the first pre-cooking temperature. The time required for this heating process is not only related to the amount of hard-to-cook grains added and the amount of water added, but also to the heating power. The greater the amount of hard-to-cook grains added and the amount of water added, the longer the heating time is required, and the greater the heating power is, the shorter the heating time is required. Step S21 also includes controlling the pre-cooking time of the hard-to-cook grains to the first pre-cooking time t during the pre-cooking heating stage. r1 , and controlling the cooking appliance 10 to heat in a first preset power mode.

[0125] First pre-cooking time t r1 The cooking temperature reaches the first pre-cooking temperature. Optionally, taking the cooking temperature as the temperature of the cooking cavity as an example, the first pre-cooking temperature can be 85-90°C, such as 85°C, 86°C, 87°C, 88°C, 89°C, 90°C, etc.

[0126] Herein, the first pre-cooking power W1 in the first preset power mode or in the pre-cooking heating stage can be 80% to 100% of the full power, for example, any value such as 80%, 85%, 90%, 95%, 100% of the full power. In the pre-cooking heating stage, high-fire heating is used, which can not only quickly heat up and shorten the pre-cooking process time, but also speed up the tumbling of the hard-to-cook grains, so that the hard-to-cook grains at different positions in the inner pot 11 are heated evenly, which is conducive to improving the water absorption effect of the hard-to-cook grains.

[0127] The cooking control method also includes controlling the cooking appliance 10 to stop heating for a preset time after the cooking temperature reaches the first precooking temperature, and then enter the precooking temperature maintenance stage. In this scheme, the precooking temperature rise stage is not directly switched to the precooking temperature maintenance stage, but the residual heat is released before switching to the precooking temperature maintenance stage. Therefore, the precooking process also includes a residual heat release stage, which is after the precooking temperature rise stage and before the precooking temperature maintenance stage. When switching, the temperature of the bottom of the pot is high, and it is easy to cause overflow when reaching the first precooking temperature close to the boiling temperature. By stopping heating and releasing residual heat, the problem of overflow can be well avoided.

[0128] Therefore, the cooking control method further includes determining whether the cooking temperature reaches the first pre-cooking temperature. If the determination is no, the method returns to continue determining. If the determination is yes, the cooking appliance 10 is controlled to stop heating for a preset time, such as 1 minute.

[0129] S22: In the pre-cooking temperature maintenance stage, the cooking temperature of the cooking appliance 10 is controlled to be maintained at the second pre-cooking temperature.

[0130] In this step, after the temperature is raised, the cooking temperature is maintained at the second pre-cooking temperature, so that the water absorption rate and water absorption ratio of the difficult-to-cook grains can be kept at a stable level, which is conducive to improving the water absorption effect of the difficult-to-cook grains. Step S22 also includes controlling the pre-cooking time of the difficult-to-cook grains to the second pre-cooking time t r2 , and controlling the cooking appliance 10 to heat in a second preset power mode.

[0131] Second pre-cooking time t r2 The pre-cooking time reaches the first preset time t1. r1 The second pre-cooking time t r2 The total duration is the first preset duration t1. The second pre-cooking temperature may be equal to or less than the first pre-cooking temperature. Optionally, taking the cooking temperature as the temperature of the cooking cavity as an example, the first pre-cooking temperature may be 85-90°C, such as 85°C, 86°C, 87°C, 88°C, 89°C, 90°C, or any other value.

[0132] It should be noted that the method of maintaining the cooking temperature at the second pre-cooking temperature may include setting an upper threshold and a lower threshold of the second pre-cooking temperature, and controlling the cooking temperature to be between the upper threshold and the lower threshold. Specifically, when the cooking temperature is higher than the upper threshold, the cooking appliance 10 is controlled to stop heating or reduce the heating power so that the cooking temperature is reduced to below the upper threshold. When the cooking temperature is lower than the lower threshold, the cooking appliance 10 is controlled to heat or increase the heating power so that the cooking temperature rises to above the lower threshold, thereby maintaining the cooking temperature at the second pre-cooking temperature.

[0133] The second precooking power W2 in the second preset power mode may be less than the first precooking power W1 in the first preset power mode. Optionally, the second precooking power W2 in the second preset power mode or in the precooking temperature maintenance stage may be 30% to 80% of the full power, for example, any value such as 30%, 40%, 50%, 60%, 70%, 79% of the full power. In the precooking temperature maintenance stage, using medium and low heat to maintain the cooking temperature can reduce heating energy consumption, reduce the power consumption of the cooking utensil 10, and make it easy to control the temperature, avoiding the occurrence of overflowing due to excessive temperature; it can effectively reduce evaporation loss, control the evaporation loss below a certain value, for example, below 50g, so as to facilitate more stable water control in the mixing process and avoid the problem of mixed rice being too soft or too hard.

[0134] The second preset power mode also includes: adjusting the second pre-cooking power W2 based on the change of the second pre-cooking temperature within the preset time period. Specifically, when the second pre-cooking temperature drops by a preset drop amount within the preset time period, the second pre-cooking power W2 is increased by a preset amount; when the second pre-cooking temperature rises by a preset rise amount within the preset time period, the second pre-cooking power W2 is reduced by a preset amount. Exemplarily, the preset time period can be 3 minutes, the preset drop amount and the preset rise amount can be 2°C, and the preset amount can be 10%; when the second pre-cooking temperature drops by 2°C within 3 minutes, the second pre-cooking power W2 is increased by 10%; when the second pre-cooking temperature rises by 2°C within 3 minutes, the second pre-cooking power W2 is reduced by 10%. This solution can keep the cooking temperature stably at the second pre-cooking temperature, and the temperature control method is more precise, which can avoid large temperature fluctuations.

[0135] Therefore, the cooking control method further includes:

[0136] Determine whether the second pre-cooking temperature drops by a preset amount within a preset period of time; if not, return to continue determining; if yes, increase the second pre-cooking power W2 by 10% of the full power, ie W2=W2'+10%W.

[0137] Determine whether the second pre-cooking temperature rises by a preset increase within a preset period; if the determination is negative, return to continue the determination; if the determination is positive, reduce the second pre-cooking power W2 by 10% of the full power, that is, W2 = W2’ - 10%W.

[0138] The control method further includes:

[0139] S41: In the mixed cooking process, control the cooking appliance 10 to heat for a second preset duration t2 in a third preset power mode.

[0140] The third preset power mode may include controlling the cooking appliance 10 to perform start-stop heating for multiple time periods T. A single time period T includes a heating duration t p and a stop heating duration.

[0141] S42: Obtain the first pre-cooking duration t from the start of heating to when the cooking temperature reaches the first pre-cooking temperature during the pre-cooking temperature rise stage r1 .

[0142] S43: Determine the heating duration t based on the first pre-cooking duration t during the mixed cooking process r1 , and the heating duration t p satisfies the following relational expression: p where A and B are constant values, the unit of the heating duration t

[0143]

[0144] is in seconds, and the unit of the first pre-cooking duration t p is in minutes. r1

[0145] The water absorption rate of the difficult-to-cook grains is at a relatively high level during the pre-cooking temperature rise stage. The heating duration t within a single time period of the mixed cooking process p is associated with the temperature rise duration of the difficult-to-cook grains when cooked alone (i.e., the first pre-cooking duration t r1 ), so that the heating duration within a single time period of the mixed cooking process can be adjusted according to the temperature rise duration of the difficult-to-cook grains when cooked alone. Specifically, the heating duration t p is a piecewise function of the first pre-cooking duration t r1 , and the heating duration t r1 is set for different time ranges of the first pre-cooking duration t p .

[0146] When 0 < t r1 < A, the heating duration t p is a constant value, so that the heating duration within a single time period of the mixed cooking process will not be too small, avoiding insufficient heating capacity; when A ≤ t r1 ≤ B, the heating duration t p is related to the first pre-cooking duration tr1 It is a linear function with a linear coefficient k of 1. Therefore, the longer the heating time is, the longer the heating time in a single time period is, so that the heating capacity is adjusted adaptively. r1 >B, heating time t p It is also a constant value, so the heating time in a single time period will not be too long, avoiding excessive heating capacity.

[0147] Thus, the cooking effects of the difficult-to-cook grains and the easy-to-cook grains can be balanced, so that the difficult-to-cook grains in the cooked mixed rice have a soft and glutinous texture, and the easy-to-cook grains have a moderate hardness and softness, thereby improving the cooking effect of the cooking device 10.

[0148] Generally, the temperature difference between the initial temperature and the first pre-cooking temperature is set as a constant factor. Depending on the amount of hard-to-cook grain and water added and the set heating power, the pre-cooking time required for hard-to-cook grain in the pre-cooking heating stage is generally less than or slightly greater than 10 minutes. Therefore, optionally, the value A<10 and the value B≥10. For example, the value A is 6, the value B is 10, and the heating time t p Satisfies the following relationship:

[0149]

[0150] Set the heating time t based on the normal pre-cooking time p , making the cooking appliance 10 more applicable and meeting the cooking needs of a wide range of consumers.

[0151] The heating time t p The duty cycle D in the time period is set to 0.3-0.8, for example, the duty cycle D can be 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, etc. Time period T = t p / D, exemplarily D=0.5, T=2t p .

[0152] The cooking control method further includes: obtaining the ambient temperature T of the environment where the cooking appliance 10 is located E The cooking appliance 10 further includes a temperature sensing device T for detecting the ambient temperature. E , the ambient temperature T can be obtained through the temperature sensing device E When the heating device 12 is not started, the temperature measured by the bottom temperature sensing device 14 is the ambient temperature.

[0153] Among them, in the mixing and cooking process, based on the first pre-cooking time t r1 and ambient temperature T E The two determine the heating time t p , and the heating time t p Satisfies the following relationship:

[0154] tp =f(t r1 )+f(T E )

[0155]

[0156] Among them, the ambient temperature T E The unit is degrees Celsius.

[0157] The temperature of the environment where the cooking device 10 is located will also affect the heating effect of the food. The heating time t in a single time period of the mixing and cooking process is p It is related to the ambient temperature and can compensate for the heat loss caused by the ambient temperature. The lower the ambient temperature, the greater the compensation amount, ensuring the heating effect of the mixing and cooking process.

[0158] Exemplarily, in the precooking temperature rising stage, the temperature difference between the initial temperature and the first precooking temperature and the first precooking power W1 are set as constant factors. The precooking time required for the hard-to-cook grain in the precooking temperature rising stage is related to the amount of hard-to-cook grain and water added. Specifically, the first precooking time t r1 include:

[0159] Get the total capacity V of the cooking appliance 10 for cooking ingredients 容 , and the total volume of hard-to-cook grain and water V 物 ; S212: Based on the total capacity V 容 and the total volume V 粮 The first pre-cooking time t is determined by both r1 , and the first pre-cooking time is t r1 Satisfies the following relationship:

[0160]

[0161] The volume of water is determined based on the mass or volume of the difficult-to-cook grain and the easy-to-cook grain, wherein the ratio of the mass or volume of the difficult-to-cook grain to the easy-to-cook grain is less than or equal to 1.

[0162] The total capacity V of the cooking appliance 10 容 It refers to the volume of the inner pot 11. The mass or volume ratio of the difficult-to-cook grain to the easy-to-cook grain can be, for example, 1:1, 4:5, 3:4, 2:3, 3:5, 1:2, 1:3, 1:4, etc. The total amount of the difficult-to-cook grain and the easy-to-cook grain added is proportional to the amount of water added.

[0163] As an example, a measuring cup may be used to estimate the volume of the difficult-to-cook grain and water to be added, and the measured volume of the difficult-to-cook grain and water may be added to the inner pot 11, and the volume of the difficult-to-cook grain and water or the total volume of the difficult-to-cook grain and water may be manually input. Thus, the cooking control method further includes receiving user input for indicating the volume of the difficult-to-cook grain and water or the total volume of the difficult-to-cook grain and water.

[0164] Another example is that a weighing device for the inner pot 11 and its contents is provided at the bottom of the cooking utensil 10. Thus, the cooking control method further includes obtaining the mass of the added difficult-to-cook grains by the weighing device, and calculating the mass of water to be added according to the preset mass ratio of the difficult-to-cook grains to the easy-to-cook grains. The calculated required mass of water is added to the inner pot 11. The cooking control method further includes calculating the volumes of the difficult-to-cook grains and the water according to the formula of mass and density, thereby obtaining the total volume of the two.

[0165] Of course, the total volume V of the hard-to-cook grain and water is obtained 物 The method is not limited, and in addition to the above two methods, any other method can be used. For example, the cooking device 10 is provided with an automatic feeding device and a water adding device, which are used to control the amount of hard-to-cook grains and water added, and then obtain the total volume V 物 .

[0166] Alternatively, for the cooking appliance 10 with a timing device, the first pre-cooking time t r1 The method includes recording the first pre-cooking time t by a timing device. r1 The heating time can be obtained by a timing device, which is easier and more accurate.

[0167] Furthermore, the third preset power mode also includes: heating the first mixing and boiling time t at the first mixing and boiling power in the early period of the mixing and boiling process m1 , in the later period of the mixing and boiling process, the second mixing and boiling power is used to heat the second mixing and boiling time t which is less than the first mixing and boiling power m2 In the early stage of the mixing and cooking process, a large fire is needed to quickly heat up the ingredients, promote the uniform mixing of the difficult-to-cook grains and the easy-to-cook grains, the water absorption of the easy-to-cook grains, and the further water absorption of the difficult-to-cook grains; in the later stage, a small fire is needed to heat the ingredients so that they can be softened and matured synchronously with the easy-to-cook grains, so that the mixed rice is moderately soft and hard.

[0168] The first mixing and boiling power can be 50% of the full power, so that the food is heated with medium heat in the early stage of mixing and boiling. The second mixing and boiling power is 30% of the full power, so that the food is heated with low heat in the later stage of mixing and boiling.

[0169] The duty cycle of the first mixing and boiling power is greater than the duty cycle of the second mixing and boiling power, and the first mixing and boiling time t m1 Greater than the second mixing time t m2 The overall time of heating the ingredients on medium heat is more than that on low heat, and the mixed rice is cooked better.

[0170] The third preset power mode may further include: when the first mixing and boiling time t r1When the time reaches 15 to 30 cycles or 5 to 10 minutes, the heating is stopped; during the mixing process, the heating is stopped for a period of time, and the ingredients are temporarily not boiling. At this time, the water in the middle and upper part of the pot will flow to the bottom of the pot to prevent the bottom of the pot from peeling. The third preset power mode may also include: a first decrease ΔT based on another cooking temperature of the cooking appliance 10 d1 , determine whether to continue heating at the first mixed cooking power. When the other cooking temperature drops by a first drop amount ΔT d1 When the first cooking power is used to continue heating, the other cooking temperature does not drop by the first drop amount ΔT. d1 The cooking control method further includes: after the mixing and cooking process and the heating is stopped, determining whether another cooking temperature drops by a first drop amount ΔT d1 If the judgment is yes, the first mixing power is continued to be used for heating, and if the judgment is no, the heating is stopped. This solution avoids the cooking temperature from dropping too much due to stopping the heating, thereby affecting the cooking effect of the mixed rice.

[0171] Another cooking temperature is preferably the bottom temperature of the cooking device 10. The bottom temperature of the inner pot 11 is closer to the temperature of the food at the bottom of the inner pot 11, which can more effectively prevent the food from peeling at the bottom of the inner pot 11. d1 The temperature may be 3 to 8°C, for example, 3°C, 4°C, 5°C, 6°C, 7°C, 8°C or any other value, so that the cooking effect of the mixed rice will not be affected even if the heating is stopped during the cooking period.

[0172] The cooking appliance 10 includes a prompting device 16 for issuing a reminder of adding material. The control device 15 is electrically connected to the prompting device 16, and is used to control the prompting device 16 to issue a reminder of adding material. The cooking control method further includes: according to the pre-cooking time of the difficult-to-cook grain, controlling the prompting device 16 to issue a reminder of adding material. According to the reminder of adding material, a predetermined amount of easy-to-cook grain is added after opening the lid. The reminder of adding material information may include any suitable reminder such as a countdown time display or voice for the first preset time t1 of the pre-cooking process, a text display, voice or reminder sound for starting to add material before the adding time is reached.

[0173] When the cooking utensil 10 is in the open cover state, easy-to-cook grains are added, and then the cover is closed, and the cooking utensil 10 is in the closed cover state. In order to facilitate the control of the cooking process, the cooking control method may further include: according to information indicating that the cooking utensil 10 is in the open cover state and the closed cover state, controlling the cooking utensil 10 to enter the co-cooking process. The trigger condition for switching from the pre-cooking process to the co-cooking process may be the action of opening and closing the cover, and the co-cooking process is automatically entered after closing the cover, that is, heating is performed in the third preset power mode, simplifying the operation process and avoiding the user from manually switching the process.

[0174] The information indicating that the cooking appliance 10 is in the open cover state and the closed cover state successively includes information indicating that the cooking appliance 10 is in the open cover state and information indicating that the cooking appliance 10 is in the closed cover state. d2 , determine whether the cooking appliance 10 is in an open cover state; specifically, when the cooking temperature drops by a second drop amount ΔT within a preset period of time d2 , determine that the cooking appliance 10 is in an open cover state, otherwise, it is in a closed cover state. Therefore, the cooking control method further includes: determining whether the cooking temperature decreases by a second decrease amount ΔT within a preset period of time d2 If the judgment is yes, it is determined that the cooking appliance 10 is in the open cover state. For example, the preset time period here can be 30 seconds, and if the temperature drops by, for example, 10° C. within 30 seconds, it is determined that the cooking appliance 10 is in the open cover state.

[0175] Based on the cooking temperature rise ΔT r1 , determine whether the cooking appliance 10 is in the closed state. Specifically, when the cooking temperature rises by an amount ΔT within a preset period of time r1 , determine that the cooking appliance 10 is in the cover-closed state, otherwise, it is in the cover-closed state. Therefore, the cooking control method further includes: determining whether the cooking temperature rises by an increase amount ΔT within a preset period of time r1 If the judgment is yes, it is determined that the cooking appliance 10 is in the closed state. For example, the preset time period here can be 30 seconds, and if the temperature rises by, for example, 8° C. within 30 seconds, it is determined that the cooking appliance 10 is in the closed state.

[0176] Alternatively, the cooking appliance 10 may be provided with a position detection device for detecting the position of the cover. The cooking control method includes confirming whether the cooking appliance 10 is in an open cover state or a closed cover state through information fed back by the position detection device.

[0177] The control method also includes: detecting one of the temperature of the contents, the temperature of the steam at the steam port, the temperature of the cooking cavity, and the bottom temperature of the cooking appliance 10, and controlling the heating of the cooking appliance 10 based on the detected one of the temperature of the contents, the temperature of the steam at the steam port, the temperature of the cooking cavity, and the bottom temperature of the cooking appliance 10.

[0178] Figure 3 and Figure 4 The specific flow chart of the cooking control method is schematically shown as follows: Figure 3 and Figure 4As shown, the start button 17 is pressed, the program starts, and the process enters step S101. In step S101, the cooking temperature and the ambient temperature are detected. The temperature of the cooking cavity is detected by the top temperature sensing device 13, and the ambient temperature is detected by the bottom temperature sensing device 14. Then, the process enters step S102. In step S102, the cooking device 10 is controlled to heat in a first preset power mode. Then, the process enters step S103. In step S103, it is determined whether the cooking temperature reaches the first pre-cooking temperature. If the judgment is yes, the process enters step S104. In step S104, the cooking device 10 is controlled to stop heating for a preset time, such as 1 minute, to release residual heat; if the judgment is no, the process returns to continue the judgment.

[0179] Then enter step S105, in which the cooking appliance 10 is controlled to heat in the second preset power mode. Then enter step S106, in which it is determined whether the cooking temperature drops by 2°C within 3 minutes. If it is determined to be yes, enter step S107, in which the second pre-cooking power W2 is increased by 10% of the full power, that is, W2=W2'+10%W; if it is determined to be no, enter step S108. In step S106, it is determined whether the cooking temperature rises by 2°C within 3 minutes. If it is determined to be yes, enter step S109, in which the second pre-cooking power W2 is reduced by 10% of the full power, that is, W2=W2'-10%W; if it is determined to be no, return to step S106 and continue to determine.

[0180] Then, the process proceeds to step S110. In step S110, it is determined whether the time has reached the first preset time t1. If it is determined to be yes, the process proceeds to step S111. In step S111, the prompt device 16 issues a material adding information prompt to prompt that easy-to-cook grains need to be added; if it is determined to be no, the process returns to continue the determination. Then, the process proceeds to step S112. In step S112, the change in the cooking temperature is detected, and then the process proceeds to step S113. In step S113, based on the detected change in the cooking temperature, it is determined whether the cooking utensil 10 is in the open and closed states. If it is determined to be yes, the process proceeds to step S114; if it is determined to be no, the process returns to the previous step.

[0181] In step S114, the cooking appliance 10 is controlled to heat in the third preset power mode, and then the process proceeds to step S115, in which it is determined whether the time reaches the second preset time length t2. If the determination is yes, the process ends; if the determination is no, the process returns to continue determination.

[0182] In addition to the above steps, the method may also include a rice stewing process and a heat preservation process after step S115, and then the cooking is completed.

[0183] It is understood that at least a portion of the above processes is optional or preferred and does not constitute a limitation on the scope of the present application. Without affecting the subject matter and implementation of the present application, the cooking control method for the cooking appliance 10 of the present application may include any combination of one or more of the above processes.

[0184] The order of steps of the method of the embodiment of the present application can be adjusted, combined or deleted according to actual needs. The processes described in all the above preferred embodiments are only examples. Unless adverse effects occur, various processing operations can be performed in an order different from the order of the above process. The order of steps of the above process can also be increased, combined or deleted according to actual needs.

[0185] Unless otherwise defined, the technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art of the present application. The terms used herein are only for describing specific implementation purposes and are not intended to limit the present application. The features described herein in one embodiment may be applied to another embodiment individually or in combination with other features, unless the feature is not applicable or otherwise specified in the other embodiment.

[0186] The present application has been illustrated through the above-mentioned embodiments, but it should be understood that the above-mentioned embodiments are only for the purpose of example and explanation, and the present application is not limited to the above-mentioned embodiments. According to the teachings of the present application, more variations and modifications can be made, and these variations and modifications all fall within the scope of protection claimed by the present application.

Claims

1. A cooking control method for a cooking appliance, characterized in that: The cooking control method comprises: a precooking process, controlling the cooking utensils to heat the hard-to-cook grains separately, the precooking process comprising a precooking temperature rising stage, controlling the cooking temperature of the cooking utensils to rise to a first precooking temperature; and The cooking process comprises the following steps: controlling the cooking appliance to heat the easy-to-cook grain and the pre-cooked difficult-to-cook grain together, and controlling the cooking appliance to heat in a third preset power mode in the cooking process, wherein the third preset power mode comprises controlling the cooking appliance to perform a plurality of time periods T of start-stop heating, wherein a single time period T comprises a heating time t p , The first precooking time t from the start of heating to the time when the cooking temperature reaches the first precooking temperature in the precooking heating stage is obtained. r1 ,and In the mixing and cooking process, based on the first pre-cooking time t r1 Determine the heating time t p , and the heating time t p Satisfies the following relationship: Wherein, A and B are constant values, and the heating time t p The unit is seconds, the first pre-cooking time t r1 The unit is minutes.

2. The cooking control method according to claim 1, characterized in that: The value A is 6, the value B is 10, and the heating time t p Satisfies the following relationship: Value A<10, value B≥10.

3. The cooking control method according to claim 1, characterized in that: The cooking control method further comprises: Get the ambient temperature T of the environment where the cooking appliance is located E , Wherein, in the mixing and cooking process, based on the first pre-cooking time t r1 and the ambient temperature T E The two determine the heating time t p , and the heating time t p Satisfies the following relationship: t p =f(t r1 )+f(T E ) Wherein, the ambient temperature T E The unit is degrees Celsius.

4. The cooking control method according to claim 1, characterized in that: The heating time t p The duty cycle D in the time period is set to 0.3-0.

8.

5. The cooking control method according to claim 1, characterized in that: The third preset power mode further includes: heating the first mixing and boiling time t at the first mixing and boiling power in the early period of the mixing and boiling process. m1 , Wherein, when the first mixing time t r1 When 15 to 30 time periods or 5 to 10 minutes have passed, heating is stopped; and A first decrease amount ΔT based on another cooking temperature of the cooking appliance d1 , determine whether to continue heating at the first mixing power.

6. The cooking control method according to claim 5, characterized in that: The first drop amount ΔT d1 3-8°C; and / or The first mixing and boiling power is 50% of full power; and / or The another cooking temperature is the bottom temperature of the cooking vessel.

7. The cooking control method according to any one of claims 1 to 6, characterized in that: The third preset power mode further includes: heating the first mixing and boiling time t at the first mixing and boiling power in the early period of the mixing and boiling process. m1 , in the later period of the mixing and boiling process, the second mixing and boiling power is used to heat the second mixing and boiling time t which is less than the first mixing and boiling power m2 .

8. The cooking control method according to claim 7, characterized in that: The duty cycle of the first mixing and cooking power is greater than the duty cycle of the second mixing and cooking power; and / or The first mixing and boiling time t m1 Greater than the second mixing time t m2 ; and / or The second mixing and cooking power is 30% of the full power.

9. The cooking control method according to any one of claims 1 to 6, characterized in that: The cooking control method further includes: obtaining a total capacity V of the cooking utensil for cooking ingredients. 容 , and the total volume of hard-to-cook grain and water V 物 ; Based on the total capacity V 容 and the total volume V 粮 Both estimate the first pre-cooking time t r1 , and the first pre-cooking time t r1 Satisfies the following relationship: The volume of water is determined based on the mass or volume of the difficult-to-cook grain and the easy-to-cook grain, wherein the mass ratio of the difficult-to-cook grain to the easy-to-cook grain is less than or equal to 1.

10. The cooking control method according to any one of claims 1 to 6, characterized in that: The cooking appliance includes a timing device, and the cooking control method further includes recording the first pre-cooking time t by the timing device. r1 .

11. The cooking control method according to any one of claims 1 to 6, characterized in that: The precooking process also includes a precooking temperature maintenance stage, in which the cooking temperature is controlled to be maintained at the second precooking temperature. When the cooking temperature reaches the first pre-cooking temperature, the cooking appliance is controlled to stop heating for a preset time and then enter the pre-cooking temperature maintenance stage.

12. The cooking control method according to any one of claims 1 to 6, characterized in that: The precooking process also includes a precooking temperature maintenance stage, in which the cooking temperature is controlled to be maintained at the second precooking temperature. Wherein, in the precooking temperature rising stage, the cooking appliance is controlled to heat in a first preset power mode, and in the precooking temperature maintaining stage, the cooking appliance is controlled to heat in a second preset power mode whose average heating power is less than the first preset power mode.

13. The cooking control method according to claim 12, characterized in that: adjusting the second pre-cooking power in the second preset power mode based on the change amount of the second pre-cooking temperature within the preset time period; and / or The cooking temperature is the temperature of the cooking cavity, the first pre-cooking temperature is 85-90° C., and the second pre-cooking temperature is 85-90° C.; and / or The first pre-cooking power in the first preset power mode is 80% to 100% of the full power, and the second pre-cooking power in the second preset power mode is 30% to 80% of the full power.

14. The cooking control method according to any one of claims 1 to 6, characterized in that: The cooking appliance includes a prompting device for issuing a reminder of adding material information, and the cooking control method further includes: According to the pre-cooking time of the hard-to-cook grains, the prompt device is controlled to issue a reminder of adding materials; In response to the information indicating that the cooking appliance is in the cover-opening state and the cover-closing state successively, the cooking appliance is controlled to continue the pre-cooking process or enter the co-cooking process.

15. The cooking control method according to claim 14, characterized in that: A second decrease amount ΔT based on the cooking temperature d2 , determining whether the cooking appliance is in an open cover state; Based on the cooking temperature increase ΔT r1 , determine whether the cooking appliance is in a closed state.

16. A cooking utensil, characterized in that: include: pot body; An inner pot, the inner pot being arranged in the pot body; A cover body, the cover body is openably disposed above the pot body to form a cooking cavity between the inner pot and the cover body; a temperature sensing device for detecting the temperature of the cooking cavity, the bottom temperature of the inner pot and / or the ambient temperature of the environment in which the cooking utensil is located; A heating device, used for heating the inner pot; as well as A control device, wherein the control device is configured to control the cooking appliance to perform cooking using the cooking control method according to any one of claims 1 to 15.

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