A cooking appliance, a control method and device of a cooking appliance

Abstract

The application discloses a cooking utensil, a control method and device of the cooking utensil, and the control method of the cooking utensil comprises the following steps: when the cooking utensil executes an uncovering boiling function, a heating element of the cooking utensil is controlled to preheat; a heating parameter related to the preheating is acquired; whether the temperature rising speed of the heating element is greater than a preset first speed threshold is judged according to the heating parameter; and when the temperature rising speed is greater than the first speed threshold, a prompt message for covering the cooking utensil is sent. Thus, the problem of poor uncovering boiling effect caused by short preheating time can be avoided.

Description

Technical Field

[0001] This invention relates to the field of electrical equipment technology, and more specifically to a cooking appliance, a control method for the cooking appliance, and a device. Background Technology

[0002] Many cooking appliances on the market, such as pressure cookers, have a function of boiling with the lid off. This function is mainly used for everyday cooking such as cooking noodles and making hot pot.

[0003] The general control logic for open-lid boiling is as follows: a higher effective power is used to heat the heating element to the preset temperature, and then a lower effective power is used to heat the water in the cooking appliance to boiling. This is because using a higher effective power initially allows the water temperature in the cooking appliance to rise rapidly, and if a higher effective power is continued to be used subsequently, the water in the cooking appliance is likely to overflow.

[0004] However, when the above-mentioned control logic for boiling with the lid open is applied to low-end cooking appliances, the effect of boiling with the lid open is not good. Therefore, low-end cooking appliances generally do not have the function of boiling with the lid open. Summary of the Invention

[0005] In view of this, embodiments of the present invention provide a cooking appliance, a method for controlling the cooking appliance, and a device to solve the problem that low-end cooking appliances have poor boiling effects when performing the open-lid boiling function.

[0006] According to a first aspect, embodiments of the present invention provide a method for controlling a cooking appliance, the method comprising the following steps: when the cooking appliance performs an open-lid boiling function, controlling the heating element of the cooking appliance to preheat; acquiring heating parameters related to the preheating; determining whether the heating rate of the heating element is greater than a preset first speed threshold based on the heating parameters; and issuing a prompt message to close the lid of the cooking appliance when the heating rate is greater than the first speed threshold.

[0007] The control method for cooking appliances provided in this invention obtains heating parameters related to preheating, determines whether the heating rate of the heating element exceeds a preset first speed threshold based on the heating parameters, and issues a prompt message to close the lid of the cooking appliance when the heating rate exceeds the first speed threshold. This solves the problem of poor boiling performance when low-end cooking appliances perform the open-lid boiling function.

[0008] This is because electromagnetic heating is generally used in mid-to-high-end cooking appliances. Since electromagnetic heating is a comprehensive heating method, the temperature detected by the temperature sensor at the bottom of the cooking appliance is both the temperature of the heating element and the temperature of the water. In other words, when using mid-to-high-end cooking appliances for heating, the temperature of the heating element is approximately equal to the temperature of the water in the cooking appliance.

[0009] Low-end cooking appliances typically use a heating plate. Because this is localized heating (bottom heating), the temperature detected by the temperature sensor at the bottom of the appliance is the temperature of the heating element, not the temperature of the water inside. In low-end appliances, when the heating element's heating rate exceeds a certain threshold, although the element reaches the required temperature, the heating time is short, and heat exchange between the water and the heating element takes time, meaning the water temperature may not reach the desired level. This problem does not exist in mid- to high-end cooking appliances.

[0010] Furthermore, for low-end cooking appliances, the effective power of subsequent heating is lower than that of the preheating stage. At the end of preheating, if the water temperature in the appliance has not reached the required temperature, subsequent boiling with a lower effective power within a set time will not bring the water to a boil. However, in this embodiment of the invention, when the heating element's heating rate exceeds a first speed threshold, a prompt message to close the appliance is issued. That is, at the end of preheating, if the water temperature in the appliance has not reached the required temperature, since the appliance is already closed, even subsequent heating with a lower effective power within a set time can achieve a better effect than boiling with the lid open.

[0011] Specifically, controlling the heating element to preheat the rice in the cooking appliance includes: controlling the heating element to heat to a preset preheating temperature; or, controlling the heating element to heat to a preset preheating time.

[0012] Specifically, when controlling the heating element to heat to a preset preheating temperature, obtaining heating parameters related to the preheating includes: obtaining a first actual heating duration corresponding to the end time of the preheating; determining the heating rate of the heating element based on the heating parameters includes: when the first actual heating duration is less than a preset first duration threshold, determining that the heating rate of the heating element is greater than the first speed threshold; or, when controlling the heating element to heat to a preset preheating duration, obtaining heating parameters related to the preheating includes: obtaining a first actual heating temperature corresponding to the end time of the preheating; determining the heating rate of the heating element based on the heating parameters includes: when the first actual heating temperature is greater than a preset first temperature threshold, determining that the heating rate of the heating element is greater than the first speed threshold.

[0013] Specifically, the control method for the cooking appliance further includes: when the heating rate is less than or equal to the first speed threshold, controlling the heating element to heat at a preset first duty cycle, and obtaining a second actual heating time of the heating element at the first duty cycle; when the second actual heating time is greater than or equal to a preset second duration threshold, exiting the open-lid boiling function; when the second actual heating time is less than the second duration threshold, obtaining a second actual heating temperature corresponding to the second actual heating time; when the second actual heating temperature is greater than the second temperature threshold, exiting the open-lid boiling function.

[0014] Specifically, after issuing a prompt message to close the lid of the cooking appliance, the function further includes: controlling the heating element to heat at a preset second duty cycle, and obtaining a third actual heating time of the heating element at the second duty cycle; when the third actual heating time is greater than or equal to a preset third time threshold, exiting the open-lid boiling function; when the third actual heating time is less than the third time threshold, obtaining a third actual heating temperature corresponding to the third actual heating time; when the third actual heating temperature is greater than the third temperature threshold, exiting the open-lid boiling function.

[0015] Specifically, controlling the heating element of the cooking appliance to preheat includes controlling the heating element of the cooking appliance to preheat using a preset third duty cycle.

[0016] Specifically, both the first duty cycle and the second duty cycle are smaller than the third duty cycle.

[0017] According to a second aspect, embodiments of the present invention also provide a control device for a cooking appliance, including a heating module, an acquisition module, a judgment module, and a processing module. When the cooking appliance performs the open-lid boiling function, the heating module is used to control the heating element of the cooking appliance to preheat; the acquisition module is used to acquire heating parameters related to the preheating; the judgment module is used to determine whether the heating rate of the heating element is greater than a preset first speed threshold based on the heating parameters; when the heating rate is greater than the first speed threshold, the processing module is used to issue a prompt message to close the lid of the cooking appliance.

[0018] According to a third aspect, embodiments of the present invention also provide a cooking appliance, including a memory and a processor, wherein the memory and the processor are communicatively connected to each other, the memory stores computer instructions, and the processor executes the computer instructions to perform the above-described control method for the cooking appliance.

[0019] According to a fourth aspect, embodiments of the present invention also provide a computer-readable storage medium storing computer instructions for causing the computer to perform the above-described control method for a cooking appliance. Attached Figure Description

[0020] The features and advantages of the invention will be more clearly understood by referring to the accompanying drawings, which are schematic and should not be construed as limiting the invention in any way. In the drawings:

[0021] Figure 1 This is a flowchart illustrating the cooking utensil control method in Embodiment 1 of the present invention;

[0022] Figure 2 This is a schematic flowchart illustrating an example of a cooking utensil control method according to Embodiment 1 of the present invention;

[0023] Figure 3 This is a schematic diagram of the cooking appliance control device according to Embodiment 2 of the present invention;

[0024] Figure 4 This is a schematic diagram of the structure of the cooking utensil in Embodiment 2 of the present invention. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] It should be noted that the steps shown in the flowchart in the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and although a logical order is shown in the flowchart, in some cases the steps shown or described may be executed in a different order than that shown here.

[0027] Example 1

[0028] Embodiment 1 of the present invention provides a control method for cooking appliances, applicable to low-end cooking appliances. Low-end cooking appliances refer to those using a heating plate; high-end cooking appliances refer to those using electromagnetic heating.

[0029] Specifically, electromagnetic heating uses the magnetic field effect to generate heat; bottom heating uses resistance heating. Electromagnetic heating is easier to control in terms of temperature and provides overall heating, allowing the water in the cooking appliance to be heated more evenly. Bottom heating is less easy to control in terms of temperature and provides localized heating, but the water in the cooking appliance is also heated more evenly.

[0030] Electromagnetic heating is generally used in mid-to-high-end cooking appliances. Since electromagnetic heating is a comprehensive heating method, the temperature detected by the temperature sensor at the bottom of the cooking appliance is both the temperature of the heating element and the temperature of the water. In other words, when using mid-to-high-end cooking appliances for heating, the temperature of the heating element is approximately equal to the temperature of the water in the cooking appliance.

[0031] Low-end cooking appliances typically use a heating plate. Since heating plate heating is localized (bottom heating), the temperature detected by the temperature sensor at the bottom of the appliance is the temperature of the heating element, not the temperature of the water inside. In low-end appliances, when the heating element's heating rate exceeds a first speed threshold, although the element can reach the required temperature, the heating time is short, and heat exchange between the water and the heating element takes time, meaning the water temperature may not reach the desired level. Furthermore, because the effective power of subsequent heating is lower than that of the preheating stage, if the water temperature hasn't reached the required level by the end of preheating, subsequent boiling with even lower effective power within a set time will not bring the water to a boil.

[0032] In mid-to-high-end cooking appliances, the temperature of the heating element is approximately equal to the temperature of the water in the appliance. Therefore, even if the heating element heats up quickly, the water in the appliance will still reach the required temperature. As a result, boiling with the lid off is more effective in mid-to-high-end cooking appliances than boiling with the lid off in low-end cooking appliances.

[0033] Figure 1 This is a flowchart illustrating the cooking utensil control method in Embodiment 1 of the present invention, as shown below. Figure 1 As shown, the cooking appliance control method of Embodiment 1 of the present invention includes the following steps:

[0034] S101: When the cooking appliance performs the open-lid boiling function, the heating element of the cooking appliance is controlled to preheat.

[0035] Specifically, the heating element of the cooking appliance can be controlled to preheat at its rated power, that is, the heating element of the cooking appliance can be controlled to preheat using a preset third duty cycle, wherein the third duty cycle is 1:0.

[0036] As a first specific implementation, controlling the heating element of the cooking appliance to preheat includes: controlling the heating element to heat to a preset preheating temperature.

[0037] In a second specific implementation, controlling the heating element of the cooking appliance to preheat includes controlling the heating element to heat to a preset preheating time. Since the heating rate of the heating element is constant for the same cooking appliance, the preheating time can be determined based on the preheating temperature.

[0038] The preheating described above can be referred to as heating stage one. For example, heating stage one can be performed using the following steps: the heating element uses P... 额 Heating begins, at which point the system starts timing. When the temperature of the temperature sensor at the bottom of the cooking appliance reaches TB1 ≥ T1 (0 < T1 ≤ 100℃), the system stops timing, and the working time is t1; otherwise, timing continues.

[0039] S102: Obtain heating parameters related to the preheating.

[0040] As a first specific implementation, when controlling the heating element to heat to a preset preheating temperature, the step of obtaining heating parameters related to the preheating includes: obtaining a first actual heating duration corresponding to the end time of the preheating.

[0041] As a second specific implementation, when controlling the heating element to heat to a preset preheating time, obtaining the heating parameters related to the preheating includes: obtaining the first actual heating temperature corresponding to the end time of the preheating.

[0042] S103: Determine whether the heating rate of the heating element is greater than a preset first speed threshold based on the heating parameters.

[0043] In a first specific implementation, when controlling the heating element to heat to a preset preheating temperature, obtaining the heating parameters related to the preheating includes: obtaining a first actual heating duration corresponding to the end time of the preheating. Further, determining the heating rate of the heating element based on the heating parameters includes: when the first actual heating duration is less than a preset first duration threshold, determining that the heating rate of the heating element is greater than the first speed threshold.

[0044] In other words, when the heating element is heated to a preset preheating temperature, the actual temperature corresponding to the end time of the preheating is the preheating temperature, and the actual duration corresponding to the end time of the preheating is the obtained first actual heating duration. The heating rate of the heating element can then be calculated using the ratio of the preheating temperature to the first actual heating duration. Since the preheating temperature is fixed, the heating rate of the heating element can be represented solely by the first actual heating duration. Specifically, when the first actual heating duration is less than a preset first duration threshold, the heating rate of the heating element is determined to be greater than the first speed threshold; when the first actual heating duration is greater than or equal to the first duration threshold, the heating rate of the heating element is determined to be less than or equal to the first speed threshold.

[0045] For example, during the heating stage, a heating element with P can be used. 额 Heating begins, at which point the system starts timing. When the temperature of the temperature sensor at the bottom of the cooking appliance, TB1 ≥ T1 (0 < T1 ≤ 100℃), the system stops timing, and the working time is t1; otherwise, timing continues. After the system stops timing, a heating time check is performed. If t1 > t... 设1 (0<t 设1 (≤15min), the system judges that the bottom temperature TB heating rate is normal based on the working time of this segment, which meets the water temperature rise requirement.

[0046] As another specific implementation, when controlling the heating element to heat to a preset preheating time, obtaining the heating parameters related to the preheating includes: obtaining a first actual heating temperature corresponding to the end time of the preheating. Further, determining the heating rate of the heating element based on the heating parameters includes: when the first actual heating temperature is greater than a preset first temperature threshold, determining that the heating rate of the heating element is greater than the first rate threshold.

[0047] In other words, when the heating element is controlled to heat to a preset preheating time, the actual time corresponding to the end of the preheating is the preheating time, and the actual temperature corresponding to the end of the preheating is the obtained first actual heating temperature. The heating rate of the heating element can then be calculated using the ratio of the first actual heating temperature to the preheating time. Since the preheating time is fixed, the heating rate of the heating element can be represented solely by the first actual heating temperature. Specifically, when the first actual heating temperature is greater than a preset first temperature threshold, the heating rate of the heating element is determined to be greater than the first speed threshold; when the first actual heating temperature is less than or equal to the first temperature threshold, the heating rate of the heating element is determined to be less than or equal to the first speed threshold.

[0048] S104: When the heating rate is greater than the first speed threshold, a prompt message is issued to close the lid of the cooking appliance.

[0049] Specifically, the temperature during the heating process can be obtained through the temperature sensor at the bottom of the cooking appliance, such as the preheating temperature and the first actual heating temperature.

[0050] In Embodiment 1 of the present invention, when it is determined that the heating rate of the heating element is greater than the first speed threshold, a prompt message is issued to close the lid of the cooking appliance. That is, when the preheating ends and the temperature of the water in the cooking appliance has not reached the required temperature, since the cooking appliance has been closed, even if a lower effective power is used for heating within the set time, a better effect than boiling with the lid open can be achieved.

[0051] In other words, by obtaining heating parameters related to preheating, we can know the heating rate of the heating element of the cooking appliance during heating. If the heating rate is too fast, the heating element is in an abnormal state, which can lead to a short preheating time, affecting the boiling effect and user experience.

[0052] Furthermore, when the heating rate is less than or equal to the first speed threshold, the heating element is controlled to heat at a preset first duty cycle, and a second actual heating time of the heating element at the first duty cycle is obtained; when the second actual heating time is greater than or equal to a preset second duration threshold, the open-lid boiling function is exited; when the second actual heating time is less than the second duration threshold, a second actual heating temperature corresponding to the second actual heating time is obtained; when the second actual heating temperature is greater than the second temperature threshold, the open-lid boiling function is exited.

[0053] In other words, when the heating rate of the preheating heating element is at a normal level, the second heating stage can continue. The purpose of the second heating stage is to open the lid to boil and to control the temperature rise rate of the heating element.

[0054] For example, heating stage two can be performed using the following steps:

[0055] Step 21: Control the heating element to heat at a preset first duty cycle DK1, and obtain the second actual heating time t2 of the heating element heating at the first duty cycle DK1;

[0056] Step 22: When the second actual heating time t2 is less than the second time threshold t 设2 If the actual heating time is t2, obtain the second actual heating temperature TB2 corresponding to the second actual heating time t2; otherwise, proceed to step 24.

[0057] Step 23: When the second actual heating temperature TB2 is greater than the second temperature threshold T2, exit the open-lid boiling function; when the second actual heating temperature TB2 is less than or equal to the second temperature threshold T2, return to step 21.

[0058] Step 24: When the second actual heating time t2 is greater than or equal to the preset second time threshold t 设2 When the time comes, exit the open-lid boiling function.

[0059] For example, 0 < t 设2 ≤30min, T1<T2≤160℃.

[0060] Therefore, during the second heating stage, it is possible to prevent the temperature from failing to reach the exit condition for too long, which would cause the cooking appliance parts to overheat and fail to meet enterprise and national standards, resulting in product substandardness.

[0061] Furthermore, after issuing a prompt message to close the lid of the cooking appliance, the function further includes: controlling the heating element to heat at a preset second duty cycle, and obtaining a third actual heating time of the heating element at the second duty cycle; when the third actual heating time is greater than or equal to a preset third time threshold, exiting the open-lid boiling function; when the third actual heating time is less than the third time threshold, obtaining a third actual heating temperature corresponding to the third actual heating time; when the third actual heating temperature is greater than the third temperature threshold, exiting the open-lid boiling function.

[0062] In other words, when the heating element's temperature rise rate during preheating is abnormal, the lid needs to be closed. After issuing a prompt message to close the lid of the cooking appliance, and after the lid is closed, heating stage three can continue. The purpose of heating stage three is to boil the food while the lid is closed and to control the temperature rise rate of the heating element.

[0063] For example, heating stage three can be performed using the following steps:

[0064] Step 31: Control the heating element to heat with a preset second duty cycle DK2, and obtain the third actual heating time t3 of the heating element heating with the second duty cycle DK2;

[0065] Step 32: When the third actual heating time t3 is less than the third time threshold t 设3 If the heating time is t3, obtain the third actual heating temperature TB3 corresponding to the third actual heating time t3; otherwise, proceed to step 34.

[0066] Step 33: When the third actual heating temperature TB3 is greater than the third temperature threshold T3, exit the open-lid boiling function; when the third actual heating temperature TB3 is less than or equal to the third temperature threshold T3, return to step 31.

[0067] Step 34: When the third actual heating time t3 is greater than or equal to the preset third time threshold t 设3 When the time comes, exit the open-lid boiling function.

[0068] The first duty cycle and the second duty cycle are both smaller than the third duty cycle. This is because using a larger effective power for heating at the beginning can cause the water temperature in the cooking appliance to rise rapidly. If a larger effective power is used for heating in the future, the water in the cooking appliance will easily overflow.

[0069] To provide a more detailed explanation of the control method for the open-lid boiling function in Embodiment 1 of the present invention, an example is given. For instance... Figure 2 As shown, it includes the following steps:

[0070] 1. After starting work, it enters the first heating stage: the heating plate uses P... 额 Heating begins, at which point the system starts timing, with the time being t1. When the temperature of the temperature sensor at the bottom of the cooking appliance is TB1≥T1 (0<T1≤100℃), the system stops timing, and the working time is t1. Otherwise, the previous step is repeated.

[0071] At this point, the heating time is determined: if t1 > t 设1 (0<t 设1If the system determines that the bottom temperature TB1 heating rate is normal and meets the water temperature rise requirement based on the working time of this segment (≤15min), then the heating plate will continue to heat stage two with a duty cycle of DK1 (0<DK1<1):

[0072] After the second heating stage begins, the system will automatically start timing, with the time being t2 (0 < t2 ≤ t). 设2 (0 < t) 设2 ≤30min), t2 is the total heating time of the second stage. If the heating plate heats to a temperature TB2≥T2 (T1<T2≤160℃) within the time t2, the work ends; otherwise, repeat the previous step.

[0073] Conversely, if t2 is in t 设2 If TB does not reach temperature T2 within the specified time, then when t2 > t 设2 When the heating plate stops heating, the system recognizes this and automatically exits the operation, ending the entire functional working mode.

[0074] 2. Then when 0 < t1 ≤ t 设1 (0<t 设1 When the temperature rises to 15 min, the system determines that the bottom temperature TB is abnormal based on the working time of that segment. In order to ensure user experience and that the temperature rise of components such as voltage regulator and resistor meets the standard, the system prompts the user to manually close the lid to complete the subsequent cooking.

[0075] After the lid is closed, the second heating stage begins: The system automatically times the heating stage after it starts, with a duration of t3 (0 < t3 ≤ t). 设3 (0 < t) 设3 ≤30min), t3 is the entire heating time of the second stage. The heating plate works with a duty cycle of DK2 (0<DK2<DK1). When the heating plate heats to a temperature TB3≥T2 (T1<T2≤160℃) within the time t3≤t, the work ends. Otherwise, the previous step is repeated.

[0076] If t3 is at t 设3 If TB does not reach temperature T2 within the specified time, then when t3 > t 设3 When the heating plate stops heating, the system recognizes this and automatically exits the operation, ending the entire functional working mode.

[0077] The purpose of timing the first heating stage is to ensure that the working time meets the requirements under normal conditions. Under abnormal conditions, the bottom temperature sensor heats up too quickly, resulting in excessively high temperatures and a short heating stage, which affects the boiling effect and user experience.

[0078] The primary purpose of timing during the second heating stage is to prevent the temperature from failing to reach the exit condition for an excessively long period. This could lead to overheating of the cooking appliance components, failing to meet enterprise and national standards, and resulting in product defects. These components include control elements such as relays. In other words, if the heating time is prolonged, the temperature of the bottom temperature sensor will continuously rise. Since the components and the bottom temperature sensor are in the same space, their temperature will naturally rise as well. This is equivalent to excessively long heating time and a continuous temperature increase, leading to overheating of the components and ultimately, product defects.

[0079] The main purpose of setting user instructions for the second heating stage is to prevent the rapid heating rate at the bottom of the first heating stage from resulting in a short heating time and poor effect. Therefore, this method is adopted to improve the user experience while also ensuring the lifespan of the cooking appliance and meeting national standards.

[0080] Example 2

[0081] Corresponding to Embodiment 1 of the present invention, Embodiment 2 of the present invention provides a control device for a cooking utensil. Figure 3 This is a schematic diagram of the structure of the cooking appliance control device in Embodiment 2 of the present invention, as shown below. Figure 3 As shown, the cooking appliance control device of Embodiment 2 of the present invention includes a heating module 20, an acquisition module 21, a judgment module 22 and a processing module 23.

[0082] Specifically, when the cooking appliance performs the open-lid boiling function, the heating module 20 is used to control the heating element of the cooking appliance to preheat;

[0083] Acquisition module 21 is used to acquire heating parameters related to the preheating;

[0084] The judgment module 22 is used to determine whether the heating rate of the heating element is greater than a preset first speed threshold based on the heating parameters.

[0085] When the heating rate exceeds the first speed threshold, the processing module 23 issues a prompt message to close the lid of the cooking appliance.

[0086] The heating module 20 is specifically used to: control the heating element to heat to a preset preheating temperature; or, control the heating element to heat to a preset preheating time.

[0087] The heating module 20 is specifically used to control the heating element of the cooking appliance to preheat at the rated power.

[0088] When the heating module 20 is used to control the heating element to heat to a preset preheating temperature, the acquisition module 21 is specifically used to: acquire a first actual heating duration corresponding to the end time of the preheating; the judgment module 22 is specifically used to: determine that the heating rate of the heating element is greater than the first speed threshold when the first actual heating duration is less than a preset first duration threshold.

[0089] When the heating module 20 is used to control the heating element to heat to a preset preheating time, the acquisition module 21 is specifically used to: acquire a first actual heating temperature corresponding to the end time of the preheating; the judgment module 22 is specifically used to: determine that the heating rate of the heating element is greater than the first speed threshold when the first actual heating temperature is greater than the preset first temperature threshold.

[0090] When the heating rate is less than or equal to the first speed threshold, the processing module 23 is further configured to: control the heating element to heat at a preset first duty cycle, and obtain a second actual heating time of the heating element at the first duty cycle; when the second actual heating time is greater than or equal to a preset second time threshold, exit the open-lid boiling function; when the second actual heating time is less than the second time threshold, obtain a second actual heating temperature corresponding to the second actual heating time; when the second actual heating temperature is greater than the second temperature threshold, exit the open-lid boiling function.

[0091] After issuing a prompt message to close the lid of the cooking appliance, the processing module 23 is further configured to: control the heating element to heat at a preset second duty cycle, and obtain a third actual heating time of the heating element at the second duty cycle; when the third actual heating time is greater than or equal to a preset third time threshold, exit the open-lid boiling function; when the third actual heating time is less than the third time threshold, obtain a third actual heating temperature corresponding to the third actual heating time; when the third actual heating temperature is greater than the third temperature threshold, exit the open-lid boiling function.

[0092] For specific details regarding the control devices of the aforementioned cooking appliances, please refer to the relevant documentation. Figures 1 to 3 The relevant descriptions and effects in the illustrated embodiments are for understanding purposes only and will not be repeated here.

[0093] Example 3

[0094] This invention also provides a cooking utensil, such as... Figure 4 As shown, the cooking appliance may include a processor 41 and a memory 42, wherein the processor 41 and the memory 42 may be connected via a bus or other means. Figure 4 Taking the example of a connection between China and Israel via a bus.

[0095] Processor 41 can be a central processing unit (CPU). Processor 41 can also be other general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or combinations of the above types of chips.

[0096] Memory 42, as a non-transitory computer-readable storage medium, can be used to store non-transitory software programs, non-transitory computer-executable programs, and modules, such as the program instructions / modules corresponding to the control method of the cooking appliance in this embodiment of the invention (e.g., Figure 3 The heating module 20, acquisition module 21, judgment module 22, and processing module 23 are shown. The processor 41 executes various functional applications and data processing by running non-transitory software programs, instructions, and modules stored in the memory 42, thereby realizing the control method of the cooking appliance in the above method embodiment.

[0097] The memory 42 may include a program storage area and a data storage area. The program storage area may store the operating system and applications required for at least one function; the data storage area may store data created by the processor 41, etc. Furthermore, the memory 42 may include high-speed random access memory and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid-state storage device. In some embodiments, the memory 42 may optionally include memory remotely located relative to the processor 41, and these remote memories may be connected to the processor 41 via a network. Examples of such networks include, but are not limited to, the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof.

[0098] The one or more modules are stored in the memory 42, and when executed by the processor 41, they perform actions such as... Figures 1 to 2 The control method of the cooking appliance in the illustrated embodiment.

[0099] For specific details regarding the cooking utensils mentioned above, please refer to the relevant documentation. Figures 1 to 3 The relevant descriptions and effects in the illustrated embodiments are for understanding purposes only and will not be repeated here.

[0100] Those skilled in the art will understand that all or part of the processes in the methods of the above embodiments can be implemented by a computer program instructing related hardware. The program can be stored in a computer-readable storage medium, and when executed, it can include the processes of the embodiments of the above methods. The storage medium can be a magnetic disk, optical disk, read-only memory (ROM), random access memory (RAM), flash memory, hard disk drive (HDD), or solid-state drive (SSD), etc.; the storage medium can also include combinations of the above types of memory.

[0101] Although embodiments of the invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A method for controlling a cooking utensil, characterized in that, include: When the cooking appliance performs the open-lid boiling function, the heating element of the cooking appliance is controlled to preheat; Obtain the heating parameters related to the preheating; Based on the heating parameters, determine whether the heating rate of the heating element is greater than a preset first speed threshold. When the heating rate exceeds the first speed threshold, a prompt message is issued to close the lid of the cooking appliance; The control heating element preheats the rice in the cooking appliance, including: Control the heating element to heat to a preset preheating temperature; or, The heating element is controlled to heat up to a preset preheating time.

2. The method according to claim 1, characterized in that: When the heating element is controlled to heat to a preset preheating temperature, the step of obtaining heating parameters related to the preheating includes: obtaining a first actual heating duration corresponding to the end time of the preheating; Determining the heating rate of the heating element based on the heating parameters includes: When the first actual heating time is less than the preset first time threshold, it is determined that the heating rate of the heating element is greater than the first speed threshold. or, When the heating element is controlled to heat to a preset preheating time, the step of obtaining heating parameters related to the preheating includes: obtaining a first actual heating temperature corresponding to the end time of the preheating; Determining the heating rate of the heating element based on the heating parameters includes: When the first actual heating temperature is greater than the preset first temperature threshold, it is determined that the heating rate of the heating element is greater than the first speed threshold.

3. The method according to claim 1, characterized in that, Also includes: When the heating rate is less than or equal to the first speed threshold, the heating element is controlled to heat at a preset first duty cycle, and the second actual heating time of the heating element at the first duty cycle is obtained; When the second actual heating time is greater than or equal to the preset second time threshold, the open-lid boiling function is exited. When the second actual heating time is less than the second time threshold, the second actual heating temperature corresponding to the second actual heating time is obtained. When the second actual heating temperature is greater than the second temperature threshold, the open-lid boiling function is exited.

4. The method according to claim 3, characterized in that, After issuing a prompt message to close the lid of the cooking appliance, the following is also included: The heating element is controlled to heat at a preset second duty cycle, and a third actual heating time of the heating element at the second duty cycle is obtained; When the third actual heating time is greater than or equal to the preset third time threshold, the open-lid boiling function is exited. When the third actual heating time is less than the third time threshold, the third actual heating temperature corresponding to the third actual heating time is obtained; when the third actual heating temperature is greater than the third temperature threshold, the open-lid boiling function is exited.

5. The method according to claim 4, characterized in that, The preheating of the heating element of the cooking appliance by controlling it includes: The heating element of the cooking appliance is controlled to preheat using a preset third duty cycle.

6. The method according to claim 5, characterized in that, Both the first duty cycle and the second duty cycle are smaller than the third duty cycle.

7. A control device for a cooking utensil, characterized in that, include: The heating module is used to control the heating element of the cooking appliance to preheat when the cooking appliance performs the open-lid boiling function. The control of the heating element to preheat the rice in the cooking appliance includes: controlling the heating element to heat to a preset preheating temperature; or, controlling the heating element to heat to a preset preheating time. The acquisition module is used to acquire heating parameters related to the preheating; The judgment module is used to determine whether the heating rate of the heating element is greater than a preset first speed threshold based on the heating parameters. The processing module, when the heating rate is greater than the first speed threshold, is used to issue a prompt message to close the lid of the cooking appliance.

8. A cooking utensil, characterized in that, include: A memory and a processor are communicatively connected, the memory stores computer instructions, and the processor executes the computer instructions to perform the control method of the cooking appliance according to any one of claims 1 to 6.

9. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores computer instructions for causing the computer to perform the control method of the cooking appliance according to any one of claims 1 to 6.

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