Cooking appliance, control method and device thereof, electronic equipment and readable storage medium

Abstract

The application provides a cooking appliance and a control method, device, electronic equipment and readable storage medium thereof. The cooking appliance comprises a first cavity, a second cavity and at least two heating parts, and the at least two heating parts are respectively used for heating the first cavity and the second cavity. The control method comprises: receiving an operation input of the cooking appliance; in response to the operation input, starting the at least two heating parts, and obtaining a first temperature value of the first cavity and a second temperature value of the second cavity; in the case that the first temperature value is greater than or equal to a first target temperature value and the second temperature value is greater than or equal to a second target temperature value, determining a first on-off ratio of the heating part corresponding to the first cavity and a second on-off ratio of the heating part corresponding to the second cavity according to the first target temperature value and the second target temperature value, and controlling the at least two heating parts to work at the first on-off ratio and the second on-off ratio.

Description

Technical Field

[0001] This invention relates to the field of household appliance technology, and more specifically, to a cooking appliance and its control method, apparatus, electronic device, and readable storage medium. Background Technology

[0002] Currently, the use of separate chambers in cooking appliances has improved cooking efficiency and has been widely favored by users.

[0003] However, in related technologies, for cooking appliances with multiple cavities, such as those with upper and lower cavities, the upper cavity is set with a target temperature and the lower cavity is set with a target temperature. The temperatures of the upper and lower cavities will interfere with each other, causing the temperature of the two cavities to fluctuate greatly, which affects the cooking effect. Summary of the Invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art or related art.

[0005] Therefore, a first aspect of the present invention provides a method for controlling a cooking appliance.

[0006] A second aspect of the present invention also provides a control device for a cooking appliance.

[0007] A third aspect of the invention also provides a cooking utensil.

[0008] A fourth aspect of the present invention also provides an electronic device.

[0009] A fifth aspect of the invention also provides a readable storage medium.

[0010] In view of this, a first aspect of the present invention provides a control method for a cooking appliance, the cooking appliance including a first cavity, a second cavity, and at least two heating elements, the at least two heating elements respectively supplying heat to the first cavity and the second cavity, the control method including: receiving an operation input to the cooking appliance; responding to the operation input, turning on at least two heating elements and acquiring a first temperature value of the first cavity and a second temperature value of the second cavity; if the first temperature value is greater than or equal to a first target temperature value and the second temperature value is greater than or equal to a second target temperature value, determining a first on / off ratio of the heating element corresponding to the first cavity and a second on / off ratio of the heating element corresponding to the second cavity based on the first target temperature value and the second target temperature value, and controlling at least two heating elements to operate at the first on / off ratio and the second on / off ratio.

[0011] The present invention provides a control method for a cooking appliance, which includes at least a first cavity, a second cavity, and at least two heating elements. The at least two heating elements respectively heat the first cavity and the second cavity, enabling separate cooking of ingredients within the first and second cavities. This allows for the simultaneous cooking of different types of ingredients using the same cooking appliance, improving cooking efficiency. The control method includes receiving an operation input to the cooking appliance, and in response to the operation input, activating at least two heating elements so that they respectively heat the first and second cavities, thereby cooking the ingredients within the first and second cavities. The system obtains a first temperature value in the first cavity and a second temperature value in the second cavity. If the first temperature value in the first cavity is greater than or equal to the first target temperature value and the second temperature value is greater than or equal to the second target temperature value, it indicates that the temperatures in both the first and second cavities have reached the target temperatures. At this point, the system determines a first on / off ratio and a second on / off ratio corresponding to at least two heating elements based on the first and second target temperature values. This ensures that the first cavity remains near the first target temperature value and the second cavity remains near the second target temperature value under the mutual influence of the first and second cavities, preventing the temperatures in both cavities from becoming too high and also reducing the range of temperature changes.

[0012] It is understood that at least two heating elements respectively heat the first cavity and the second cavity, achieving independent temperature control for the first and second cavities. Since at least two heating elements respectively heat the first and second cavities, the temperatures within the first and second cavities will influence each other. This application can determine a first on / off ratio corresponding to the first cavity and a second on / off ratio corresponding to the second cavity based on the first and second target temperature values. This ensures that both the first and second on / off ratios are associated with the first and second target temperature values. That is, after the first cavity reaches the first target temperature value and the second cavity reaches the second target temperature value, at least two heating elements are controlled to operate with on / off ratios associated with the first and second target temperature values. This allows the temperatures within the first and second cavities to be coordinated, avoiding the neglect of the influence of the other cavity when controlling only one cavity. This ensures that both the first and second cavities are near their target temperatures, preventing excessive temperature fluctuations within the first and second cavities.

[0013] In practical applications, the temperature rise process within the first and second cavities includes a heating phase and a constant-temperature phase. During the heating phase, at least two heating elements are activated, causing the temperature in the first cavity to rapidly rise to a first target temperature value, and the temperature in the second cavity to rapidly rise to a second target temperature value. During the constant-temperature phase, a first on / off ratio and a second on / off ratio are determined based on the first and second target temperature values, thereby maintaining the temperature in both cavities near the first and second target temperature values, preventing excessive temperature fluctuations between the two cavities.

[0014] It should be noted that after the temperatures in the first cavity and the second cavity both reach their respective target temperatures, the heating element is controlled to heat for a period of time and then turn off for a period of time. This process is repeated, so that the heating element has a ratio of energized time to de-energized time in each power-on / off cycle. The first on / off ratio is the ratio of energized time to de-energized time of the heating element corresponding to the first cavity, and the second on / off ratio is the ratio of energized time to de-energized time of the heating element corresponding to the second cavity.

[0015] The control method for cooking appliances provided by the present invention may also have the following additional technical features:

[0016] In some technical solutions, optionally, the step of determining the first on / off ratio of the heating element corresponding to the first cavity and the second on / off ratio of the heating element corresponding to the second cavity based on the first target temperature value and the second target temperature value includes: if the first target temperature value is greater than the second target temperature value, determining the first preset on / off ratio of the heating element corresponding to the first cavity based on the first temperature value and the first target temperature value, and determining the first on / off ratio as the first preset on / off ratio; determining the second preset on / off ratio of the heating element corresponding to the second cavity based on the second temperature value and the second target temperature value; determining the average on / off ratio based on the first target temperature value and the second target temperature value; and if the sum of the first preset on / off ratio and the second preset on / off ratio is greater than or equal to the average on / off ratio, determining the second on / off ratio as the difference between the average on / off ratio and the first preset on / off ratio.

[0017] In this technical solution, the steps of determining the first on / off ratio of the heating element corresponding to the first cavity and the second on / off ratio of the heating element corresponding to the second cavity based on the first target temperature value and the second target temperature value specifically include: comparing the magnitude of the first target temperature value and the second target temperature value; if the first target temperature value is greater than the second target temperature value, controlling the first cavity with higher temperature requirements first, so that the heating element of the first cavity operates at a first preset on / off ratio determined based on the first target temperature value and the first temperature value, that is, using the first preset on / off ratio as the first on / off ratio, so that the heating element intermittently heats the first cavity, thereby maintaining the temperature inside the first cavity near the first target temperature value. Then, based on the second temperature value and the second target temperature value inside the second cavity, the second preset on / off ratio corresponding to the heating part of the second cavity is determined. Since the temperature inside the first cavity affects the second cavity, the heating part corresponding to the second cavity is not controlled to work according to the second preset on / off ratio at this time. Specifically, the average on / off ratio between the first target temperature value and the second target temperature value can be determined. When the sum of the first preset on / off ratio and the second preset on / off ratio is greater than or equal to the average on / off ratio, the difference between the average on / off ratio and the first preset on / off ratio is taken as the second on / off ratio. Then, the heating part corresponding to the second cavity is controlled according to the second on / off ratio to balance the influence of the temperature of the first cavity on the second cavity, avoid the temperature of the second cavity from fluctuating, and maintain the temperature stability inside the second cavity.

[0018] In some technical solutions, the control method for the cooking appliance may optionally include: when the second temperature value is greater than or equal to the sum of the second target temperature value and the first threshold, controlling the heating element corresponding to the second cavity to turn off; when the second temperature value is less than or equal to the difference between the second target temperature value and the first threshold, controlling the heating element corresponding to the second cavity to operate at a third preset on / off ratio.

[0019] In this technical solution, the control method of the cooking appliance further includes: when the second temperature value in the second cavity is greater than or equal to the sum of the second target temperature value and the first threshold, the temperature in the second cavity is high. At this time, the heating element corresponding to the second cavity is turned off, so that the temperature in the second cavity gradually decreases to the second target temperature value; when the second temperature value in the second cavity is less than or equal to the difference between the second target temperature value and the first threshold, it indicates that the difference between the second temperature value and the second target temperature value in the second cavity is large. At this time, the heating element corresponding to the second cavity is controlled to work at a third preset on / off ratio, so that the temperature in the second cavity quickly rises to the second target temperature value. Thus, when the temperature in the second cavity is adjusted by the first target temperature value and the second target temperature value, the temperature in the second cavity is prevented from becoming too high or too low.

[0020] In some technical solutions, optionally, when the second target temperature value is greater than the first target temperature value, a second preset on / off ratio is determined based on the second temperature value and the second target temperature value, and the second on / off ratio is determined as the second preset on / off ratio; a first preset on / off ratio of the heating part corresponding to the first cavity is determined based on the first temperature value and the first target temperature value; when the sum of the first preset on / off ratio and the second preset on / off ratio is greater than or equal to the average on / off ratio, the first on / off ratio is determined as the difference between the average on / off ratio and the second preset on / off ratio.

[0021] In this technical solution, when the second target temperature value is greater than the first target temperature value, the target temperature corresponding to the second cavity is higher. In this case, the heating element corresponding to the second cavity is controlled to operate at a second preset on / off ratio determined based on the second target temperature value and the second temperature value. That is, the second preset on / off ratio is set to the second on / off ratio, so that the temperature inside the second cavity is maintained near the second target temperature value. Simultaneously, a first preset on / off ratio is determined based on the first temperature value and the first target temperature value. If the sum of the first preset on / off ratio and the second preset on / off ratio is greater than the average on / off ratio, it indicates that the second preset on / off ratio is higher. In this case, the first on / off ratio is set to the difference between the average on / off ratio and the second preset on / off ratio, thereby ensuring that the temperature inside the first cavity is not too high or too low, while balancing the impact of the higher temperature of the second cavity on the first cavity.

[0022] In some technical solutions, optionally, when the first temperature value is greater than or equal to the sum of the first target temperature value and the second threshold, the heating part corresponding to the first cavity is controlled to be turned off; when the first temperature value is less than or equal to the difference between the first target temperature value and the second threshold, the heating part corresponding to the first cavity is controlled to operate at a fourth preset on / off ratio.

[0023] In this technical solution, when the first temperature value is greater than or equal to the sum of the first target temperature value and the second threshold, it indicates that the temperature inside the first cavity is high. At this time, the heating element corresponding to the first cavity is turned off, so that the temperature inside the first cavity is reduced, thereby avoiding the situation where the food burns due to high-temperature baking. When the first temperature value is less than or equal to the difference between the first target temperature value and the second threshold, it indicates that the temperature inside the first cavity is low. At this time, the heating element corresponding to the first cavity is controlled to work at the fourth preset on / off ratio, thereby causing the temperature inside the first cavity to rise rapidly, avoiding the first cavity from being at a low temperature for a long time and affecting the cooking process.

[0024] In some technical solutions, optionally, the step of determining a first preset on / off ratio of the heating element corresponding to the first cavity based on a first temperature value and a first target temperature value includes: determining the first preset on / off ratio using a PID algorithm based on the first temperature value and the first target temperature value; the step of determining a second preset on / off ratio of the heating element corresponding to the second cavity based on a second temperature value and a second target temperature value includes: determining the second preset on / off ratio using a PID algorithm based on the second temperature value and the second target temperature value; the step of determining an average on / off ratio based on the first target temperature value and the second target temperature value includes: determining the corresponding average on / off ratio based on the average of the first target temperature value and the second target temperature value.

[0025] In this technical solution, determining the first preset on / off ratio of the heating element corresponding to the first cavity based on the first temperature value and the first target temperature value specifically includes: determining the first preset on / off ratio using a PID algorithm based on the first temperature value and the first target temperature value, so that when the heating element operates according to the first preset on / off ratio, the temperature value inside the first cavity can be maintained near the first target temperature value. The step of determining the second preset on / off ratio of the heating element corresponding to the second cavity based on the second temperature value and the second target temperature value includes: determining the second preset on / off ratio using a PID algorithm based on the second temperature value and the second target temperature value, so that when the heating element supplies heat to the second cavity at the second preset on / off ratio, the temperature inside the second cavity can be maintained near the second target temperature value. The step of determining the average on / off ratio based on the first target temperature value and the second target temperature value specifically includes: determining the corresponding average on / off ratio based on the average of the sum of the first target temperature value and the second target temperature value, thereby finding the equilibrium point of the target temperatures between the first cavity and the second cavity.

[0026] According to a second aspect of the present invention, a control device for a cooking appliance is also provided. The cooking appliance includes a first cavity, a second cavity, and at least two heating elements, which are respectively used to heat the first cavity and the second cavity. The control device includes: a receiving unit for receiving an operation input to the cooking appliance; a response unit for responding to the operation input; and a control unit for turning on at least two heating elements and acquiring a first temperature value of the first cavity and a second temperature value of the second cavity. If the first temperature value is greater than or equal to a first target temperature value and the second temperature value is greater than or equal to a second target temperature value, the control unit determines a first on / off ratio of the heating element corresponding to the first cavity and a second on / off ratio of the heating element corresponding to the second cavity based on the first target temperature value and the second target temperature value, and controls at least two heating elements to operate at the first on / off ratio and the second on / off ratio.

[0027] The control device for a cooking appliance provided in the second aspect of the present invention includes a receiving unit, a responding unit, and a control unit. The receiving unit receives operational input to the cooking appliance. Upon response to the operational input, the responding unit activates at least two heating elements, allowing the at least two heating elements to heat a first cavity and a second cavity respectively, thereby cooking the food within the first and second cavities. A first temperature value within the first cavity and a second temperature value within the second cavity are obtained. If the first temperature value within the first cavity is greater than or equal to a first target temperature value, and the second temperature value is greater than or equal to a second target temperature value, it indicates that the temperatures within both the first and second cavities have reached the target temperatures. At this point, a first on / off ratio and a second on / off ratio corresponding to the at least two heating elements are determined based on the first and second target temperature values. This ensures that, under the mutual influence of the first and second cavities, the first cavity remains near the first target temperature value, and the second cavity remains near the second target temperature value, preventing excessively high temperatures within both cavities and minimizing temperature fluctuations.

[0028] According to a third aspect of the invention, a cooking appliance is also provided, comprising: a first cavity; a second cavity; at least two heating elements, the at least two heating elements being used to heat the first cavity and the second cavity respectively; and a control device as described in the second aspect.

[0029] The cooking appliance provided by this invention includes a first cavity, a second cavity, and at least two heating elements. The at least two heating elements respectively heat the first cavity and the second cavity, enabling separate cooking of ingredients within the first and second cavities. This allows for the simultaneous cooking of different types of ingredients using the same appliance, improving cooking efficiency. Furthermore, a control device can determine a first on / off ratio and a second on / off ratio corresponding to the at least two heating elements based on the first and second target temperature values ​​when a first temperature value within the first cavity is greater than or equal to a first target temperature value and a second temperature value is greater than or equal to a second target temperature value. This ensures that, through the interaction between the first and second cavities, the first cavity remains near the first target temperature value, and the second cavity remains near the second target temperature value, preventing excessively high temperatures within both cavities and minimizing temperature fluctuations.

[0030] In some technical solutions, the cooking appliance may optionally include: a housing; a partition disposed within the housing, the partition dividing the housing into at least a first cavity and a second cavity; wherein one of the first cavity and the second cavity is located on top of the other, or one of the first cavity and the second cavity is located on one side of the other.

[0031] In this technical solution, the cooking appliance also includes a shell and a partition. The partition is disposed inside the shell, thereby dividing the space inside the shell into a first cavity and a second cavity. Specifically, the first cavity and the second cavity are distributed in a vertical direction, such that one of the first cavity and the second cavity is located on top of the other, or the first cavity and the second cavity are distributed in a horizontal direction, such that one of the first cavity and the second cavity is located on one side of the other.

[0032] According to a fourth aspect of the invention, an electronic device is also provided, comprising: a processor and a memory, the memory storing a program or instructions executable on the processor, the program or instructions, when executed by the processor, implementing the steps of the control method for a cooking appliance as described in any of the preceding claims.

[0033] The electronic device provided by the present invention, having the steps of the cooking appliance control method proposed in any of the above claims, thus possesses all the beneficial effects of the cooking appliance control method.

[0034] According to a fifth aspect of the invention, a readable storage medium is also provided, on which a program or instructions are stored, which, when executed by a processor, perform the steps of the control method for a cooking appliance as described above.

[0035] The readable storage medium provided by the present invention, having the steps of the cooking appliance control method proposed in any of the above claims, thus possesses all the beneficial effects of the cooking appliance control method.

[0036] Additional aspects and advantages of the invention will become apparent in the following description or may be learned by practice of the invention. Attached Figure Description

[0037] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0038] Figure 1 A flowchart illustrating a method for controlling a cooking appliance according to an embodiment of the present invention is shown.

[0039] Figure 2 The diagram shows the temperature rise of the first and second cavities of a cooking appliance according to an embodiment of the present invention.

[0040] Figure 3 An interactive logic diagram of a cooking appliance according to an embodiment of the present invention is shown;

[0041] Figure 4 A schematic diagram of the structure of a cooking appliance according to an embodiment of the present invention is shown;

[0042] Figure 5 A schematic block diagram of a control device according to an embodiment of the present invention is shown;

[0043] Figure 6 A schematic block diagram of an electronic device according to an embodiment of the present invention is shown.

[0044] in, Figure 4 The correspondence between the reference numerals and component names in the attached drawings is as follows:

[0045] 1. Cooking appliance; 2. Housing; 20. First cavity; 22. Second cavity; 3. Partition; 4. Heating element; 5. Temperature sensor. Detailed Implementation

[0046] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0047] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and therefore the scope of protection of the invention is not limited to the specific embodiments disclosed below.

[0048] The following reference Figures 1 to 6 This invention describes cooking appliances, control methods, apparatuses, electronic devices, and readable storage media according to some embodiments of the invention.

[0049] According to one embodiment of the present invention, the present invention provides a control method for a cooking appliance, the cooking appliance including a first cavity, a second cavity and at least two heating elements, the at least two heating elements being used to heat the first cavity and the second cavity respectively.

[0050] like Figure 1 The diagram shows a flowchart of a method for controlling a cooking appliance, including:

[0051] Step 102: Receive operation input for cooking appliances;

[0052] Step 104: Respond to the operation input;

[0053] Step 106: Turn on at least two heating elements and obtain the first temperature value of the first cavity and the second temperature value of the second cavity;

[0054] Step 108: When the first temperature value is greater than or equal to the first target temperature value and the second temperature value is greater than or equal to the second target temperature value, determine the first on / off ratio of the heating element corresponding to the first cavity and the second on / off ratio of the heating element corresponding to the second cavity based on the first target temperature value and the second target temperature value, and control at least two heating elements to operate at the first on / off ratio and the second on / off ratio.

[0055] The present invention provides a control method for a cooking appliance, which includes at least a first cavity, a second cavity, and at least two heating elements. The at least two heating elements respectively heat the first cavity and the second cavity, enabling separate cooking of ingredients within the first and second cavities. This allows for the simultaneous cooking of different types of ingredients using the same cooking appliance, improving cooking efficiency. The control method includes receiving an operation input to the cooking appliance, and in response to the operation input, activating at least two heating elements so that they respectively heat the first and second cavities, thereby cooking the ingredients within the first and second cavities. The system obtains a first temperature value in the first cavity and a second temperature value in the second cavity. If the first temperature value in the first cavity is greater than or equal to the first target temperature value and the second temperature value is greater than or equal to the second target temperature value, it indicates that the temperatures in both the first and second cavities have reached the target temperatures. At this point, the system determines a first on / off ratio and a second on / off ratio corresponding to at least two heating elements based on the first and second target temperature values. This ensures that the first cavity remains near the first target temperature value and the second cavity remains near the second target temperature value under the mutual influence of the first and second cavities, preventing the temperatures in both cavities from becoming too high and also reducing the range of temperature changes.

[0056] It is understood that at least two heating elements respectively heat the first cavity and the second cavity, achieving independent temperature control for the first and second cavities. Since at least two heating elements respectively heat the first and second cavities, the temperatures within the first and second cavities will influence each other. This application can determine a first on / off ratio corresponding to the first cavity and a second on / off ratio corresponding to the second cavity based on the first and second target temperature values. This ensures that both the first and second on / off ratios are associated with the first and second target temperature values. That is, after the first cavity reaches the first target temperature value and the second cavity reaches the second target temperature value, at least two heating elements are controlled to operate with on / off ratios associated with the first and second target temperature values. This allows the temperatures within the first and second cavities to be coordinated, avoiding the neglect of the influence of the other cavity when controlling only one cavity. This ensures that both the first and second cavities are near their target temperatures, preventing excessive temperature fluctuations within the first and second cavities.

[0057] In specific applications, such as Figure 2 As shown, the temperature rise process in the first and second chambers includes a heating phase (e.g., phase B) and a isothermal phase (e.g., phase C). Figure 2Line A1 shows the temperature rise curve of the first cavity, and line A2 shows the temperature rise curve of the second cavity. During the heating phase, at least both heating elements are activated, causing the temperature in the first cavity to rapidly rise to the first target temperature value, and the temperature in the second cavity to rapidly rise to the second target temperature value. During the constant temperature phase, a first on / off ratio and a second on / off ratio are determined based on the first and second target temperature values, thereby maintaining the temperature in the first cavity near the first target temperature value and the temperature in the second cavity near the second target temperature value, preventing excessive temperature fluctuations in both cavities.

[0058] It should be noted that after the temperatures in the first cavity and the second cavity both reach their respective target temperatures, the heating element is controlled to heat for a period of time and then turn off for a period of time. This process is repeated, so that the heating element has a ratio of energized time to de-energized time in each power-on / off cycle. The first on / off ratio is the ratio of energized time to de-energized time of the heating element corresponding to the first cavity, and the second on / off ratio is the ratio of energized time to de-energized time of the heating element corresponding to the second cavity.

[0059] Optionally, the operation input is the user's operation on the cooking appliance, such as turning on the heating function of the cooking appliance.

[0060] In some embodiments, optionally, the step of determining the first on / off ratio of the heating element corresponding to the first cavity and the second on / off ratio of the heating element corresponding to the second cavity based on the first target temperature value and the second target temperature value includes: if the first target temperature value is greater than the second target temperature value, determining the first preset on / off ratio of the heating element corresponding to the first cavity based on the first temperature value and the first target temperature value, and determining the first on / off ratio as the first preset on / off ratio; determining the second preset on / off ratio of the heating element corresponding to the second cavity based on the second temperature value and the second target temperature value; determining the average on / off ratio based on the first target temperature value and the second target temperature value; and if the sum of the first preset on / off ratio and the second preset on / off ratio is greater than or equal to the average on / off ratio, determining the second on / off ratio as the difference between the average on / off ratio and the first preset on / off ratio.

[0061] In this embodiment, the step of determining the first on / off ratio of the heating element corresponding to the first cavity and the second on / off ratio of the heating element corresponding to the second cavity based on the first target temperature value and the second target temperature value specifically includes: comparing the magnitude of the first target temperature value and the second target temperature value; if the first target temperature value is greater than the second target temperature value, controlling the first cavity with higher temperature requirements first, so that the heating element of the first cavity operates at a first preset on / off ratio determined based on the first target temperature value and the first temperature value, that is, using the first preset on / off ratio as the first on / off ratio, so that the heating element intermittently heats the first cavity, thereby maintaining the temperature inside the first cavity near the first target temperature value. Then, based on the second temperature value and the second target temperature value inside the second cavity, the second preset on / off ratio corresponding to the heating part of the second cavity is determined. Since the temperature inside the first cavity affects the second cavity, the heating part corresponding to the second cavity is not controlled to work according to the second preset on / off ratio at this time. Specifically, the average on / off ratio between the first target temperature value and the second target temperature value can be determined. When the sum of the first preset on / off ratio and the second preset on / off ratio is greater than or equal to the average on / off ratio, the difference between the average on / off ratio and the first preset on / off ratio is taken as the second on / off ratio. Then, the heating part corresponding to the second cavity is controlled according to the second on / off ratio to balance the influence of the temperature of the first cavity on the second cavity, avoid the temperature of the second cavity from fluctuating, and maintain the temperature stability inside the second cavity.

[0062] Optionally, if the sum of the first preset on / off ratio and the second preset on / off ratio is less than the average on / off ratio, the second on / off ratio is determined to be the second preset on / off ratio.

[0063] In some embodiments, the control method for the cooking appliance may optionally include: when the second temperature value is greater than or equal to the sum of the second target temperature value and the first threshold, controlling the heating element corresponding to the second cavity to turn off; when the second temperature value is less than or equal to the difference between the second target temperature value and the first threshold, controlling the heating element corresponding to the second cavity to operate at a third preset on / off ratio.

[0064] In this embodiment, the control method for the cooking appliance further includes: when the second temperature value in the second cavity is greater than or equal to the sum of the second target temperature value and the first threshold, the temperature in the second cavity is high, and the heating element corresponding to the second cavity is turned off, so that the temperature in the second cavity gradually decreases to the second target temperature value; when the second temperature value in the second cavity is less than or equal to the difference between the second target temperature value and the first threshold, it indicates that the difference between the second temperature value in the second cavity and the second target temperature value is large, and the heating element corresponding to the second cavity is controlled to operate at a third preset on / off ratio, so that the temperature in the second cavity quickly rises to the second target temperature value, thereby avoiding the temperature in the second cavity from becoming too high or too low when the temperature in the second cavity is adjusted by the first target temperature value and the second target temperature value.

[0065] In practical applications, the first threshold is set according to the actual situation. Optionally, the first threshold is greater than or equal to 2℃ and less than or equal to 5℃. Optionally, the first threshold is equal to 3℃.

[0066] Optionally, in this embodiment, when the second temperature value in the second cavity is greater than the difference between the second target temperature value and the first threshold, but less than the sum of the second target temperature value and the first threshold, the second on / off ratio is controlled to be the difference between the average on / off ratio and the first preset on / off ratio during the constant temperature range.

[0067] In some embodiments, optionally, when the second target temperature value is greater than the first target temperature value, a second preset on / off ratio is determined based on the second temperature value and the second target temperature value, and the second on / off ratio is determined as the second preset on / off ratio; a first preset on / off ratio of the heating part corresponding to the first cavity is determined based on the first temperature value and the first target temperature value; when the sum of the first preset on / off ratio and the second preset on / off ratio is greater than or equal to the average on / off ratio, the first on / off ratio is determined as the difference between the average on / off ratio and the second preset on / off ratio.

[0068] In this embodiment, when the second target temperature value is greater than the first target temperature value, the target temperature corresponding to the second cavity is higher. In this case, the heating element corresponding to the second cavity is controlled to operate at a second preset on / off ratio determined based on the second target temperature value and the second temperature value. That is, the second preset on / off ratio is set to the second on / off ratio, so that the temperature inside the second cavity is maintained near the second target temperature value. At the same time, a first preset on / off ratio of the heating element corresponding to the first cavity is determined based on the first temperature value and the first target temperature value. If the sum of the first preset on / off ratio and the second preset on / off ratio is greater than the average on / off ratio, it indicates that the second preset on / off ratio is higher. In this case, the first on / off ratio is set to the difference between the average on / off ratio and the second preset on / off ratio, thereby ensuring that the temperature inside the first cavity is not too high or too low, while balancing the impact of the higher temperature of the second cavity on the first cavity.

[0069] Optionally, if the sum of the first preset on / off ratio and the second preset on / off ratio is less than the average on / off ratio, the first on / off ratio is determined to be the first preset on / off ratio.

[0070] In some embodiments, optionally, if the first temperature value is greater than or equal to the sum of the first target temperature value and the second threshold, the heating part corresponding to the first cavity is controlled to be turned off; if the first temperature value is less than or equal to the difference between the first target temperature value and the second threshold, the heating part corresponding to the first cavity is controlled to operate at a fourth preset on / off ratio.

[0071] In this embodiment, if the first temperature value is greater than or equal to the sum of the first target temperature value and the second threshold, it indicates that the temperature inside the first cavity is high. At this time, the heating element corresponding to the first cavity is turned off, so that the temperature inside the first cavity is reduced, thereby avoiding the situation where the food burns due to high-temperature baking. If the first temperature value is less than or equal to the difference between the first target temperature value and the second threshold, it indicates that the temperature inside the first cavity is low. At this time, the heating element corresponding to the first cavity is controlled to work at the fourth preset on / off ratio, so that the temperature inside the first cavity rises rapidly, thereby avoiding the first cavity from being at a low temperature for a long time and affecting the cooking process.

[0072] In practical applications, the second threshold is set according to the actual situation. Optionally, the second threshold is greater than or equal to 2℃ and less than or equal to 5℃. Optionally, the second threshold is equal to 3℃.

[0073] Optionally, in this embodiment, when the first temperature value in the first cavity is greater than the difference between the first target temperature value and the second threshold, but less than the sum of the first target temperature value and the second threshold, the first on / off ratio is controlled to be the difference between the average on / off ratio and the second preset on / off ratio during the constant temperature range.

[0074] In some embodiments, optionally, the step of determining a first preset on / off ratio of the heating element corresponding to the first cavity based on a first temperature value and a first target temperature value includes: determining the first preset on / off ratio using a PID algorithm based on the first temperature value and the first target temperature value; the step of determining a second preset on / off ratio of the heating element corresponding to the second cavity based on a second temperature value and a second target temperature value includes: determining the second preset on / off ratio using a PID algorithm based on the second temperature value and the second target temperature value; the step of determining an average on / off ratio based on the first target temperature value and the second target temperature value includes: determining the corresponding average on / off ratio based on the average of the first target temperature value and the second target temperature value.

[0075] In this embodiment, determining the first preset on / off ratio of the heating element corresponding to the first cavity based on the first temperature value and the first target temperature value specifically includes: determining the first preset on / off ratio using a PID algorithm based on the first temperature value and the first target temperature value, so that when the heating element operates according to the first preset on / off ratio, the temperature value inside the first cavity can be maintained near the first target temperature value. The step of determining the second preset on / off ratio of the heating element corresponding to the second cavity based on the second temperature value and the second target temperature value includes: determining the second preset on / off ratio using a PID algorithm based on the second temperature value and the second target temperature value, so that when the heating element supplies heat to the second cavity at the second preset on / off ratio, the temperature inside the second cavity can be maintained near the second target temperature value. The step of determining the average on / off ratio based on the first target temperature value and the second target temperature value specifically includes: determining the corresponding average on / off ratio based on the average of the sum of the first target temperature value and the second target temperature value, thereby finding the equilibrium point of the target temperatures between the first cavity and the second cavity.

[0076] It is understandable that the PID algorithm is a basic form of digital PID control algorithm, which is a control algorithm that performs PID control on the increment of the control quantity (the difference between the current control quantity and the previous control quantity).

[0077] Optionally, in the settings, the average on / off ratio corresponding to the average of the sum of the first target temperature value and the second target temperature value can be obtained through a basic lookup table.

[0078] Optionally, a table of average on / off ratios corresponding to the average of the sum of the first target temperature value and the second target temperature value can be stored in advance within the cooking appliance.

[0079] like Figure 5 As shown, according to an embodiment of the present invention, a control device 6 for a cooking appliance is also provided. The cooking appliance includes a first cavity, a second cavity, and at least two heating elements, which are respectively used to heat the first cavity and the second cavity. The control device 6 includes: a receiving unit 601 for receiving operation input to the cooking appliance; a response unit 602 for responding to the operation input; and a control unit 603 for turning on at least two heating elements and acquiring a first temperature value of the first cavity and a second temperature value of the second cavity. If the first temperature value is greater than or equal to a first target temperature value and the second temperature value is greater than or equal to a second target temperature value, the control unit determines a first on / off ratio of the heating element corresponding to the first cavity and a second on / off ratio of the heating element corresponding to the second cavity based on the first target temperature value and the second target temperature value, and controls at least two heating elements to operate at the first on / off ratio and the second on / off ratio.

[0080] The control device 6 for a cooking appliance provided by the present invention includes a receiving unit 601, a response unit 602, and a control unit 603. The receiving unit 601 receives operation input to the cooking appliance. Upon response to the operation input, the response unit 602 activates at least two heating elements, allowing the at least two heating elements to heat the first cavity and the second cavity respectively, thus cooking the food inside the first and second cavities. A first temperature value inside the first cavity and a second temperature value inside the second cavity are obtained. If the first temperature value inside the first cavity is greater than or equal to a first target temperature value, and the second temperature value is greater than or equal to a second target temperature value, it indicates that the temperatures in both the first and second cavities have reached the target temperatures. At this point, a first on / off ratio and a second on / off ratio corresponding to the at least two heating elements are determined based on the first and second target temperature values. This ensures that, under the mutual influence of the first and second cavities, the first cavity remains near the first target temperature value, and the second cavity remains near the second target temperature value, preventing excessively high temperatures in both cavities and minimizing temperature fluctuations.

[0081] It is understandable that, since at least two heating elements supply heat to the first cavity and the second cavity respectively, the temperatures in the first cavity and the second cavity will affect each other. This application can determine the first on / off ratio corresponding to the first cavity and the second on / off ratio corresponding to the second cavity based on the first target temperature value and the second target temperature value, so that both the first on / off ratio and the second on / off ratio are associated with the first target temperature value and the second target temperature value. That is, after the first cavity is heated to the first target temperature value and the second cavity is heated to the second target temperature value, at least two heating elements are controlled to operate with on / off ratios associated with the first target temperature value and the second target temperature value, so that the temperatures in the first cavity and the second cavity are coordinated with each other, avoiding the neglect of the influence of the other cavity when controlling only one cavity, so that the first cavity and the second cavity are both near the target temperature, avoiding the situation where the temperatures in the first cavity and the second cavity fluctuate too much.

[0082] In practical applications, the temperature rise process within the first and second cavities includes a heating phase and a constant-temperature phase. During the heating phase, at least two heating elements are activated, causing the temperature in the first cavity to rapidly rise to a first target temperature value, and the temperature in the second cavity to rapidly rise to a second target temperature value. During the constant-temperature phase, a first on / off ratio and a second on / off ratio are determined based on the first and second target temperature values, thereby maintaining the temperature in both cavities near the first and second target temperature values, preventing excessive temperature fluctuations between the two cavities.

[0083] It should be noted that after the temperatures in the first cavity and the second cavity both reach their respective target temperatures, the heating element is controlled to heat for a period of time and then turn off for a period of time. This process is repeated, so that the heating element has a ratio of energized time to de-energized time in each power-on / off cycle. The first on / off ratio is the ratio of energized time to de-energized time of the heating element corresponding to the first cavity, and the second on / off ratio is the ratio of energized time to de-energized time of the heating element corresponding to the second cavity.

[0084] In some embodiments, optionally, the step of the control unit 603 determining the first on / off ratio of the heating element corresponding to the first cavity and the second on / off ratio of the heating element corresponding to the second cavity based on the first target temperature value and the second target temperature value includes: if the first target temperature value is greater than the second target temperature value, determining the first preset on / off ratio of the heating element corresponding to the first cavity based on the first temperature value and the first target temperature value, and determining the first on / off ratio as the first preset on / off ratio; determining the second preset on / off ratio of the heating element corresponding to the second cavity based on the second temperature value and the second target temperature value; determining the average on / off ratio based on the first target temperature value and the second target temperature value; and if the sum of the first preset on / off ratio and the second preset on / off ratio is greater than or equal to the average on / off ratio, determining the second on / off ratio as the difference between the average on / off ratio and the first preset on / off ratio.

[0085] In this embodiment, the step of determining the first on / off ratio of the heating element corresponding to the first cavity and the second on / off ratio of the heating element corresponding to the second cavity based on the first target temperature value and the second target temperature value specifically includes: comparing the magnitude of the first target temperature value and the second target temperature value; if the first target temperature value is greater than the second target temperature value, controlling the first cavity with higher temperature requirements first, so that the heating element of the first cavity operates at a first preset on / off ratio determined based on the first target temperature value and the first temperature value, that is, using the first preset on / off ratio as the first on / off ratio, so that the heating element intermittently heats the first cavity, thereby maintaining the temperature inside the first cavity near the first target temperature value. Then, based on the second temperature value and the second target temperature value inside the second cavity, the second preset on / off ratio corresponding to the heating part of the second cavity is determined. Since the temperature inside the first cavity affects the second cavity, the heating part corresponding to the second cavity is not controlled to work according to the second preset on / off ratio at this time. Specifically, the average on / off ratio between the first target temperature value and the second target temperature value can be determined. When the sum of the first preset on / off ratio and the second preset on / off ratio is greater than or equal to the average on / off ratio, the difference between the average on / off ratio and the first preset on / off ratio is taken as the second on / off ratio. Then, the heating part corresponding to the second cavity is controlled according to the second on / off ratio to balance the influence of the temperature of the first cavity on the second cavity, avoid the temperature of the second cavity from fluctuating, and maintain the temperature stability inside the second cavity.

[0086] Optionally, if the sum of the first preset on / off ratio and the second preset on / off ratio is less than the average on / off ratio, the second on / off ratio is determined to be the second preset on / off ratio.

[0087] In some embodiments, optionally, the control unit 603 is further configured to: control the heating element corresponding to the second cavity to turn off when the second temperature value is greater than or equal to the sum of the second target temperature value and the first threshold; and control the heating element corresponding to the second cavity to operate at a third preset on / off ratio when the second temperature value is less than or equal to the difference between the second target temperature value and the first threshold.

[0088] In this embodiment, the control unit 603 is further configured to: when the second temperature value in the second cavity is greater than or equal to the sum of the second target temperature value and the first threshold, the temperature in the second cavity is high, and at this time, the heating element corresponding to the second cavity is turned off, so that the temperature in the second cavity gradually decreases to the second target temperature value; when the second temperature value in the second cavity is less than or equal to the difference between the second target temperature value and the first threshold, it indicates that the difference between the second temperature value in the second cavity and the second target temperature value is large, and at this time, the heating element corresponding to the second cavity is controlled to operate at a third preset on / off ratio, so that the temperature in the second cavity quickly rises to the second target temperature value, thereby avoiding the temperature in the second cavity from becoming too high or too low when the temperature in the second cavity is regulated by the first target temperature value and the second target temperature value.

[0089] In practical applications, the first threshold is set according to the actual situation. Optionally, the first threshold is greater than or equal to 2℃ and less than or equal to 5℃. Optionally, the first threshold is equal to 3℃.

[0090] Optionally, in this embodiment, when the second temperature value in the second cavity is greater than the difference between the second target temperature value and the first threshold, but less than the sum of the second target temperature value and the first threshold, the second on / off ratio is controlled to be the difference between the average on / off ratio and the first preset on / off ratio during the constant temperature range.

[0091] In some embodiments, optionally, when the second target temperature value is greater than the first target temperature value, a second preset on / off ratio is determined based on the second temperature value and the second target temperature value, and the second on / off ratio is determined as the second preset on / off ratio; a first preset on / off ratio of the heating part corresponding to the first cavity is determined based on the first temperature value and the first target temperature value; when the sum of the first preset on / off ratio and the second preset on / off ratio is greater than or equal to the average on / off ratio, the first on / off ratio is determined as the difference between the average on / off ratio and the second preset on / off ratio.

[0092] In this embodiment, when the second target temperature value is greater than the first target temperature value, the target temperature corresponding to the second cavity is higher. In this case, the heating element corresponding to the second cavity is controlled to operate at a second preset on / off ratio determined based on the second target temperature value and the second temperature value. That is, the second preset on / off ratio is set to the second on / off ratio, so that the temperature inside the second cavity is maintained near the second target temperature value. At the same time, a first preset on / off ratio of the heating element corresponding to the first cavity is determined based on the first temperature value and the first target temperature value. If the sum of the first preset on / off ratio and the second preset on / off ratio is greater than the average on / off ratio, it indicates that the second preset on / off ratio is higher. In this case, the first on / off ratio is set to the difference between the average on / off ratio and the second preset on / off ratio, thereby ensuring that the temperature inside the first cavity is not too high or too low, while balancing the impact of the higher temperature of the second cavity on the first cavity.

[0093] Optionally, if the sum of the first preset on / off ratio and the second preset on / off ratio is less than the average on / off ratio, the first on / off ratio is determined to be the first preset on / off ratio.

[0094] In some embodiments, optionally, if the first temperature value is greater than or equal to the sum of the first target temperature value and the second threshold, the heating part corresponding to the first cavity is controlled to be turned off; if the first temperature value is less than or equal to the difference between the first target temperature value and the second threshold, the heating part corresponding to the first cavity is controlled to operate at a fourth preset on / off ratio.

[0095] In this embodiment, if the first temperature value is greater than or equal to the sum of the first target temperature value and the second threshold, it indicates that the temperature inside the first cavity is high. At this time, the heating element corresponding to the first cavity is turned off, so that the temperature inside the first cavity is reduced, thereby avoiding the situation where the food burns due to high-temperature baking. If the first temperature value is less than or equal to the difference between the first target temperature value and the second threshold, it indicates that the temperature inside the first cavity is low. At this time, the heating element corresponding to the first cavity is controlled to work at the fourth preset on / off ratio, so that the temperature inside the first cavity rises rapidly, thereby avoiding the first cavity from being at a low temperature for a long time and affecting the cooking process.

[0096] In practical applications, the second threshold is set according to the actual situation. Optionally, the second threshold is greater than or equal to 2℃ and less than or equal to 5℃. Optionally, the second threshold is equal to 3℃.

[0097] Optionally, in this embodiment, when the first temperature value in the first cavity is greater than the difference between the first target temperature value and the second threshold, but less than the sum of the first target temperature value and the second threshold, the first on / off ratio is controlled to be the difference between the average on / off ratio and the second preset on / off ratio during the constant temperature range.

[0098] In some embodiments, optionally, the step of the control unit 603 determining the first preset on / off ratio of the heating element corresponding to the first cavity based on the first temperature value and the first target temperature value includes: determining the first preset on / off ratio using a PID algorithm based on the first temperature value and the first target temperature value; the step of determining the second preset on / off ratio of the heating element corresponding to the second cavity based on the second temperature value and the second target temperature value includes: determining the second preset on / off ratio using a PID algorithm based on the second temperature value and the second target temperature value; the step of determining the average on / off ratio based on the first target temperature value and the second target temperature value includes: determining the corresponding average on / off ratio based on the average of the first target temperature value and the second target temperature value.

[0099] In this embodiment, determining the first preset on / off ratio of the heating element corresponding to the first cavity based on the first temperature value and the first target temperature value specifically includes: determining the first preset on / off ratio using a PID algorithm based on the first temperature value and the first target temperature value, so that when the heating element operates according to the first preset on / off ratio, the temperature value inside the first cavity can be maintained near the first target temperature value. The step of determining the second preset on / off ratio of the heating element corresponding to the second cavity based on the second temperature value and the second target temperature value includes: determining the second preset on / off ratio using a PID algorithm based on the second temperature value and the second target temperature value, so that when the heating element supplies heat to the second cavity at the second preset on / off ratio, the temperature inside the second cavity can be maintained near the second target temperature value. The step of determining the average on / off ratio based on the first target temperature value and the second target temperature value specifically includes: determining the corresponding average on / off ratio based on the average of the sum of the first target temperature value and the second target temperature value, thereby finding the equilibrium point of the target temperatures between the first cavity and the second cavity.

[0100] It is understandable that the PID algorithm is a basic form of digital PID control algorithm, which is a control algorithm that performs PID control on the increment of the control quantity (the difference between the current control quantity and the previous control quantity).

[0101] Optionally, in the settings, the average on / off ratio corresponding to the average of the sum of the first target temperature value and the second target temperature value can be obtained through a basic lookup table.

[0102] Optionally, a table of average on / off ratios corresponding to the average of the sum of the first target temperature value and the second target temperature value can be stored in advance within the cooking appliance.

[0103] According to one embodiment of the present invention, a cooking appliance 1 is also provided, comprising: a first cavity 20; a second cavity 22; at least two heating elements 4, the at least two heating elements 4 being used to heat the first cavity 20 and the second cavity 22 respectively; and a control device as proposed in the second aspect.

[0104] likeFigure 4 As shown, the cooking appliance 1 provided by the present invention includes a first cavity 20, a second cavity 22, and at least two heating elements 4. The at least two heating elements 4 are respectively used to heat the first cavity 20 and the second cavity 22, realizing separate cooking of ingredients in the first cavity 20 and the second cavity 22. Thus, different types of ingredients can be cooked simultaneously using the same cooking appliance 1, improving cooking efficiency. Simultaneously, the control device can determine a first on / off ratio and a second on / off ratio corresponding to the at least two heating elements 4 based on the first target temperature value and the second target temperature value when the first temperature value in the first cavity 20 is greater than or equal to a first target temperature value and the second temperature value is greater than or equal to a second target temperature value. This ensures that the first cavity 20 is maintained near the first target temperature value and the second cavity 22 is maintained near the second target temperature value under the mutual influence of the first cavity 20 and the second cavity 22, preventing excessively high temperatures in the first cavity 20 and the second cavity 22, and also shortening the temperature fluctuation range.

[0105] In some embodiments, the cooking appliance 1 may optionally include: a housing 2; a partition 3 disposed within the housing 2, the partition 3 dividing the housing 2 into at least a first cavity 20 and a second cavity 22; wherein one of the first cavity 20 and the second cavity 22 is located on top of the other, or one of the first cavity 20 and the second cavity 22 is located on one side of the other.

[0106] In this embodiment, the cooking appliance 1 also includes a housing 2 and a partition 3. The partition 3 is disposed inside the housing 2, thereby dividing the space inside the housing 2 into a first cavity 20 and a second cavity 22. Specifically, the first cavity 20 and the second cavity 22 are distributed in a vertical direction, such that one of the first cavity 20 and the second cavity 22 is located on top of the other, or the first cavity 20 and the second cavity 22 are distributed in a horizontal direction, such that one of the first cavity 20 and the second cavity 22 is located on one side of the other.

[0107] Optionally, the partition 3 is detachably connected to the housing 2 so that the space inside the housing 2 can be switched into a large cavity, which is convenient for cooking larger ingredients.

[0108] Optionally, the cooking appliance 1 also includes at least two temperature sensors 5, which are respectively disposed in the first cavity 20 and the second cavity 22 for detecting the temperature in the first cavity 20 and the second cavity 22.

[0109] Specifically, Figure 4 The diagram shows the distribution of components in the cavity. The middle partition 3 can be a baking pan or a partition for dividing the cavity. The cooking appliance 1 also includes two NTCs (temperature sensors 5) at the top and bottom.

[0110] Optionally, the cooking appliance 1 includes any one of the following: oven, air fryer oven, microwave oven, microwave air fryer, etc.

[0111] like Figure 6 As shown, according to one embodiment of the present invention, an electronic device 7 is also provided, comprising: a processor 702 and a memory 704, wherein the memory 704 stores a program or instructions that can run on the processor 702, and when the program or instructions are executed by the processor 702, implement the steps of the control method for the cooking appliance as proposed in any of the above claims.

[0112] The electronic device 7 provided by the present invention has all the beneficial effects of the cooking appliance control method as it incorporates the steps of any of the above-mentioned cooking appliance control methods.

[0113] According to one embodiment of the present invention, a readable storage medium is also provided, on which a program or instructions are stored, which, when executed by a processor, perform the steps of the control method for a cooking appliance as described above.

[0114] The readable storage medium provided by the present invention, having the steps of the cooking appliance control method proposed in any of the above claims, thus possesses all the beneficial effects of the cooking appliance control method.

[0115] In practical applications, the first cavity and the second cavity are arranged vertically. Figure 2 This is a temperature control logic diagram for independent upper and lower temperature control with dual PID controllers. The overall temperature control is divided into a heating segment (as shown in part B) and a constant temperature segment (as shown in part C). A1 is the temperature rise curve of the first cavity, and A2 is the temperature rise region of the second cavity. The temperature control logic of the heating segment is that the upper and lower tubes (e.g., at least two heating parts) are fully open until the temperatures of the upper and lower cavities (e.g., the first cavity and the second cavity) reach the target temperatures T1 (e.g., the first target temperature) and T2 (e.g., the second target temperature). After reaching the constant temperature segment, the temperature is controlled according to the target temperatures.

[0116] Figure 3is an interaction logic diagram of the cooking appliance provided in the application, which corresponds to a specific dual-PID control method. After setting the target temperatures T1 / T2 of the upper and lower cavities, when T1>T2, that is, the target temperature of the upper cavity is higher than that of the lower cavity, the algorithm first calculates PWM1 (the on-off time of the barbecue tube, for example, the first preset on-off ratio) through the PID algorithm based on the difference between the temperature detected by the upper temperature sensor (e.g., the temperature sensor corresponding to the first cavity) and the target temperature (e.g., T1). Similarly, PWM2 (e.g., the second preset on-off ratio) is calculated based on the temperature detected by the lower temperature sensor (e.g., the temperature sensor corresponding to the second cavity) and the target temperature (e.g., T2). In addition, in the setting process, PWM (e.g., the average on-off ratio) is obtained through basic table lookup according to the mapping relationship corresponding to (T1+T2) / 2. If PWM1+PWM2≥PWM, then PWM2=PWM-PWM1; if the temperature of the lower cavity is ≥T2+3, then PWM2=0; if the temperature of the lower cavity is ≤T2-3, then PWM2=30. When T1<T2, the control logic is reversed. Specifically, when T1<T2, that is, the target temperature of the upper cavity is lower than that of the lower cavity, the algorithm first calculates PWM2 (the on-off time of the barbecue tube, for example, the second preset on-off ratio) through the PID algorithm based on the difference between the temperature detected by the lower temperature sensor (e.g., the temperature sensor corresponding to the second cavity) and the target temperature (e.g., T2). Similarly, PWM1 (e.g., the first preset on-off ratio) is calculated based on the temperature detected by the upper temperature sensor (e.g., the temperature sensor corresponding to the first cavity) and the target temperature (e.g., T1). In addition, in the setting process, PWM (e.g., the average on-off ratio) is obtained through basic table lookup according to the mapping relationship corresponding to (T1+T2) / 2. If PWM1+PWM2≥PWM, then PWM1=PWM-PWM2; if the temperature of the upper cavity is ≥T1+3, then PWM1=0; if the temperature of the upper cavity is ≤T1-3, then PWM1=30. This control method first controls the cavity with a higher set target temperature, and then controls the temperature of the lower cavity according to the performance of the cavity itself.

[0117] For example: when a user wants to bake two types of ingredients in an oven, sets the lower cavity to 200°C hot air for baking sweet potatoes, and sets the upper cavity to 230°C hot air for baking steaks. After the user inserts the partition plate and places the ingredients, the control method of the cooking appliance provided in the present application achieves accurate temperature control, which can help the beef be colored evenly, be crispy on the outside and tender on the inside, and help the baked sweet potatoes be more fragrant and glutinous.

[0118] For example: when a user uses this mode to bake egg tarts, inserts the baking tray, sets the temperature of the upper side to 220°C and the temperature of the lower side to 200°C, this method can help the egg tarts achieve a better cooking effect, with uniform coloring and no overheating.

[0119] In this invention, the term "multiple" refers to two or more unless otherwise explicitly defined. The terms "installed," "connected," "linked," and "fixed," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "linked" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0120] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0121] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A method for controlling a cooking utensil, characterized in that, The cooking appliance includes a first cavity, a second cavity, and at least two heating elements, wherein the at least two heating elements are respectively used to heat the first cavity and the second cavity, and the control method includes: Receive operation input for the cooking appliance; In response to the operation input, at least two of the heating elements are activated, and a first temperature value of the first cavity and a second temperature value of the second cavity are obtained; When the first temperature value is greater than or equal to the first target temperature value and the second temperature value is greater than or equal to the second target temperature value, the first on / off ratio of the heating element corresponding to the first cavity and the second on / off ratio of the heating element corresponding to the second cavity are determined according to the first target temperature value and the second target temperature value, and at least two heating elements are controlled to operate with the first on / off ratio and the second on / off ratio.

2. The control method for cooking appliances according to claim 1, characterized in that, The step of determining the first on / off ratio of the heating element corresponding to the first cavity and the second on / off ratio of the heating element corresponding to the second cavity based on the first target temperature value and the second target temperature value includes: When the first target temperature value is greater than the second target temperature value, a first preset on / off ratio of the heating part corresponding to the first cavity is determined based on the first temperature value and the first target temperature value, and the first on / off ratio is determined to be the first preset on / off ratio. A second preset on / off ratio for the heating element corresponding to the second cavity is determined based on the second temperature value and the second target temperature value; an average on / off ratio is determined based on the first target temperature value and the second target temperature value. If the sum of the first preset on / off ratio and the second preset on / off ratio is greater than or equal to the average on / off ratio, the second on / off ratio is determined to be the difference between the average on / off ratio and the first preset on / off ratio.

3. The control method for cooking appliances according to claim 2, characterized in that, Also includes: When the second temperature value is greater than or equal to the sum of the second target temperature value and the first threshold, the heating part corresponding to the second cavity is controlled to be turned off; When the second temperature value is less than or equal to the difference between the second target temperature value and the first threshold, the heating element corresponding to the second cavity is controlled to operate at a third preset on / off ratio.

4. The control method for cooking appliances according to claim 2, characterized in that, If the second target temperature value is greater than the first target temperature value, the second preset on / off ratio is determined based on the second temperature value and the second target temperature value, and the second on / off ratio is determined as the second preset on / off ratio; The first preset on / off ratio of the heating element corresponding to the first cavity is determined based on the first temperature value and the first target temperature value; If the sum of the first preset on / off ratio and the second preset on / off ratio is greater than or equal to the average on / off ratio, the first on / off ratio is determined to be the difference between the average on / off ratio and the second preset on / off ratio.

5. The control method for cooking appliances according to claim 4, characterized in that, Also includes: When the first temperature value is greater than or equal to the sum of the first target temperature value and the second threshold, the heating part corresponding to the first cavity is controlled to be turned off; When the first temperature value is less than or equal to the difference between the first target temperature value and the second threshold, the heating element corresponding to the first cavity is controlled to operate at a fourth preset on / off ratio.

6. The method for controlling a cooking appliance according to any one of claims 2 to 5, characterized in that, The step of determining the first preset on / off ratio of the heating element corresponding to the first cavity based on the first temperature value and the first target temperature value includes: determining the first preset on / off ratio by using a PID algorithm based on the first temperature value and the first target temperature value. The step of determining the second preset on / off ratio of the heating element corresponding to the second cavity based on the second temperature value and the second target temperature value includes: determining the second preset on / off ratio using a PID algorithm based on the second temperature value and the second target temperature value; The step of determining the average on / off ratio based on the first target temperature value and the second target temperature value includes: determining the corresponding average on / off ratio based on the average of the sum of the first target temperature value and the second target temperature value.

7. A control device for a cooking utensil, characterized in that, The cooking appliance includes a first cavity, a second cavity, and at least two heating elements, wherein the at least two heating elements are respectively used to heat the first cavity and the second cavity, and the control device includes: A receiving unit is configured to receive operational inputs to the cooking appliance; A response unit is configured to respond to the operation input; The control unit is configured to activate at least two of the heating elements, acquire a first temperature value of the first cavity and a second temperature value of the second cavity, and, when the first temperature value is greater than or equal to a first target temperature value and the second temperature value is greater than or equal to a second target temperature value, determine a first on / off ratio of the heating element corresponding to the first cavity and a second on / off ratio of the heating element corresponding to the second cavity based on the first target temperature value and the second target temperature value, and control at least two of the heating elements to operate at the first on / off ratio and the second on / off ratio.

8. A cooking utensil, characterized in that, include: First cavity; Second cavity; At least two heating elements, each of which is used to heat the first cavity and the second cavity respectively; and The control device as described in claim 7.

9. The cooking utensil according to claim 8, characterized in that, Also includes: case; A partition is disposed within the housing, and the partition divides the housing into at least the first cavity and the second cavity; In this configuration, one of the first cavity and the second cavity is located on top of the other, or one of the first cavity and the second cavity is located on one side of the other.

10. An electronic device, characterized in that, include: A processor and a memory, the memory storing a program or instructions executable on the processor, the program or instructions, when executed by the processor, implementing the steps of the control method for a cooking appliance as described in any one of claims 1 to 6.

11. A readable storage medium having a program or instructions stored thereon, characterized in that, When the program or the instructions are executed by the processor, the steps of the control method for the cooking appliance as described in any one of claims 1 to 6 are performed.

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