Cooking control method and device and cooking utensil

Abstract

The invention relates to the technical field of intelligent control, and discloses a cooking control method and device and a cooking utensil, the method is applied to the cooking utensil, and the method comprises the following steps: obtaining the current temperature, the current pressure and the current flow of the cooking utensil in response to a cooking function starting operation of a user on the cooking utensil; based on the current temperature, the current pressure and the current flow, whether an air outlet of the cooking utensil is blocked is judged, and the air outlet blocking condition is obtained; and controlling the cooking utensil to execute corresponding actions according to the air outlet blockage condition. Whether the air outlet of the utensil is blocked or not is judged on the basis of the current temperature, the current pressure and the current flow of the cooking utensil, the accuracy and reliability of blockage recognition can be greatly improved, an accurate basis is provided for executing different actions by the utensil subsequently, safety accidents caused by abnormal pressure rise are avoided from the source, and the user experience is improved. Potential safety hazards are eliminated, the cooking effect can be considered by reasonably adjusting the cooking state, and then the cooking control efficiency and the user experience are greatly improved.

Description

Technical Field

[0001] This invention relates to the field of intelligent control technology, specifically to a cooking control method, device, and cooking utensil. Background Technology

[0002] Currently, cooking appliances, such as traditional micro-pressure rice cookers, control the pressure inside the pot by energizing or de-energizing a solenoid valve. Specifically, when the solenoid valve is de-energized, the spring force of the push rod pushes open the small ball in the vent, allowing the rice cooker to release gas and thus reducing the pressure inside the pot. When the solenoid valve is energized, the push rod retracts, and the small ball returns to its original position under gravity, blocking the vent. At this time, the safety device is activated to prevent the user from opening the lid under pressure.

[0003] In practical applications, when using the rice cooker's cooking function to cook multigrain porridge, such as beans or millet, the bean husks or porridge foam can easily adhere to the steam vent, causing poor steam release or even complete blockage. In this situation, the pressure inside the pot will rise rapidly, and since the solenoid valve is usually de-energized during porridge cooking, the linked safety device cannot be triggered. If the user forcibly opens the lid under these dangerous conditions, the accumulated high pressure inside the pot will be released instantly, easily causing an "explosion" accident, posing a serious safety hazard.

[0004] In summary, existing rice cookers generally lack mechanisms to identify gas vent blockages, intelligently adjust the heating process based on the blockage, and provide effective reminders to users. Therefore, ensuring cooking safety without compromising the cooking effect of porridge has become a pressing technical problem to be solved in this field. Summary of the Invention

[0005] In view of this, the present invention provides a cooking control method, device and cooking appliance to solve the problem that existing cooking appliances cause potential safety hazards due to abnormal increase in internal pressure caused by blockage of the vent during cooking, making it difficult to balance safe use of the equipment and cooking effect.

[0006] In a first aspect, the present invention provides a cooking control method applied to a cooking utensil, the method comprising: In response to the user's activation of the cooking function of the cooking appliance, obtain the current temperature, current pressure and current flow of the cooking appliance; Based on the current temperature, current pressure, and current flow rate, determine whether the vent of the cooking appliance is blocked, and obtain the vent blockage status; Control the cooking appliance to perform corresponding actions based on the blockage of the vent.

[0007] The cooking control method provided by this invention determines whether the vent of the cooking appliance is blocked by measuring the current temperature, pressure, and flow rate. This significantly improves the accuracy and reliability of vent blockage identification, providing a precise basis for the appliance to perform different actions. It not only avoids safety accidents caused by abnormal pressure increases at the source and eliminates safety hazards, but also greatly improves cooking control efficiency and user experience by reasonably adjusting the cooking state of the appliance to balance cooking effect.

[0008] In one optional implementation, determining whether the vent of the cooking appliance is blocked based on the current temperature, current pressure, and current flow rate, and obtaining the vent blockage status, includes: Determine whether the current temperature is greater than a preset temperature threshold, whether the current pressure is greater than a preset pressure threshold, and whether the current flow rate is less than a preset flow rate threshold, respectively. When the current temperature is greater than the preset temperature threshold, the current pressure is greater than the preset pressure threshold, and the current flow rate is less than the preset flow rate threshold, the gas outlet is determined to be blocked. If the current temperature is not greater than the preset temperature threshold, or the current pressure is not greater than the preset pressure threshold, or the current flow rate is not less than the preset flow rate threshold, the gas outlet blockage is determined to be that the gas outlet of the cooking appliance is not currently blocked.

[0009] This invention designs an AND logic judgment method based on three conditions: temperature exceeding the threshold, pressure exceeding the threshold, and flow rate falling below the threshold. Only when all three core parameters meet the blockage characteristics is the outlet determined to be in a blocked state, completely avoiding single parameter anomalies, such as those caused by ambient temperature or short-term pressure fluctuations. This significantly improves the accuracy and reliability of blockage identification and provides a precise basis for subsequent devices to perform different actions.

[0010] In one optional implementation, determining whether the vent of the cooking appliance is blocked based on the current temperature, current pressure, and current flow rate, and obtaining the vent blockage status, includes: Determine whether the current temperature is greater than a preset temperature threshold, whether the current pressure is greater than a preset pressure threshold, and whether the current flow rate is less than a preset flow rate threshold, respectively. When the current temperature is greater than the preset temperature threshold, or the current pressure is greater than the preset pressure threshold, or the current flow rate is less than the preset flow rate threshold, the gas outlet is determined to be blocked. If the current temperature is not greater than the preset temperature threshold, the current pressure is not greater than the preset pressure threshold, and the current flow rate is not less than the preset flow rate threshold, the gas outlet blockage is determined to be that the gas outlet of the cooking appliance is not currently blocked.

[0011] This invention also designs an "OR logic" judgment method based on three conditions: temperature exceeding the threshold, pressure exceeding the threshold, and flow rate falling below the threshold. As long as any core parameter shows a blockage-related abnormality, it is determined that the air outlet is currently in a blocked state. This can capture the early stage of blockage, such as potential risks caused by only a decrease in flow rate or only an increase in pressure. This avoids missed judgments caused by multiple parameters not meeting the standards at the same time, making blockage identification more timely and thus achieving early warning.

[0012] In an optional implementation, before determining whether the current temperature is greater than a preset temperature threshold, the cooking control method further includes: Obtain the rate of temperature rise of the cooking appliance within a preset time; The cooking volume of the cooking appliance is determined based on the rate of temperature rise, and a preset temperature threshold is determined based on the cooking volume.

[0013] This invention also considers the correlation between temperature changes and the amount of food being cooked. Before determining whether the vent of the cooking appliance is blocked by using the current temperature of the appliance, it determines the current amount of food being cooked based on the rate of temperature rise and matches corresponding preset temperature thresholds for different amounts. The above design, which combines the amount of food to optimize the temperature judgment standard, is not only suitable for scenarios with different amounts of food, such as large or small quantities, but also eliminates parameter abnormalities caused by differences in the amount of food, further improving the accuracy of blockage judgment.

[0014] In one optional implementation, determining the cooking volume of the cooking appliance based on the rate of temperature rise, and determining a preset temperature threshold based on the cooking volume, includes: When the rate of temperature rise exceeds the preset rate threshold, the cooking quantity of the cooking appliance is determined to be the first quantity level, and the first temperature threshold set for the first quantity level is determined to be the preset temperature threshold. When the rate of temperature rise is not greater than the preset rate threshold, the cooking quantity of the cooking appliance is determined to be the second quantity level, and the second temperature threshold set for the second quantity level is determined as the preset temperature threshold; wherein, the first temperature threshold is greater than the second temperature threshold.

[0015] This invention clearly distinguishes two cooking volume levels by the rate of temperature rise, with the first temperature threshold being higher than the second temperature threshold. This achieves a match between the temperature judgment standard and the actual cooking characteristics of different quantities of food, making the threshold adaptation more accurate. It also unifies the judgment deviation caused by the threshold. Whether cooking large or small quantities, it can capture temperature anomalies related to blockage through the corresponding threshold, thereby adapting to the diverse cooking needs of easily blocked ingredients.

[0016] In one alternative implementation, controlling the cooking appliance to perform corresponding actions based on the blockage of the steam vent includes: When the air outlet is not blocked, the cooking appliance is controlled to cook at the first preset heating power. When the vent is blocked, the cooking appliance is controlled to perform a safety operation. The safety operation includes energizing the solenoid valve of the cooking appliance to trigger the safety device to lock the lid of the cooking appliance, controlling the cooking appliance to cook at the second preset heating power, and prompting the user that the vent is blocked; wherein, the first preset heating power is greater than the second preset heating power.

[0017] This invention uses high power for cooking when the vent is not blocked, ensuring cooking efficiency and thorough cooking of the ingredients. When the vent is blocked, it switches to low power for continuous heating to avoid interrupting cooking and causing the ingredients to be undercooked, thus maintaining cooking quality. Simultaneously, it triggers multiple safety operations, including energizing the solenoid valve to lock the lid and providing user prompts. This prevents accidental opening of the lid, which could lead to pressure splashing or an explosion, and also suppresses further pressure buildup inside the pot through low-power heating, thus preventing potential safety hazards at the source. This invention maximizes both the safety control of the cooking appliance and the cooking effect.

[0018] In one optional implementation, after controlling the cooking appliance to perform corresponding actions based on the blockage of the vent, the cooking control method further includes: Continuously monitor the current temperature of cooking appliances; When the current temperature is below the preset safety threshold, the solenoid valve controlling the cooking appliance resets to release the safety device from locking the lid of the cooking appliance and prompts the user that cooking is complete.

[0019] This invention is designed to continuously monitor the temperature after cooking, and only when the current temperature is lower than a preset safety threshold will the solenoid valve of the cooking appliance be reset to release the lid lock of the safety device. This completely avoids the risk of splashing and frying caused by residual pressure in the pot. It forms a full-cycle safety protection from cooking to cooking and greatly improves the operational safety of the entire cooking process.

[0020] In one alternative implementation, obtaining the current temperature, current pressure, and current flow rate of the cooking appliance includes: The current temperature at the top of the cooking appliance is obtained by a first sensor located at the top of the appliance, the current pressure inside the appliance is obtained by a second sensor located inside the appliance, and the current flow rate at the vent is obtained by a third sensor located at the vent of the cooking appliance.

[0021] The first sensor in this invention is located at the top and can directly capture temperature changes at the top of the pot that are strongly correlated with the blockage of the vent, thus avoiding environmental interference. The second sensor has an internal pressure sensor built in, which can intuitively reflect the real pressure state inside the pot without indirect measurement errors. The third sensor is located next to the vent and can capture subtle changes in exhaust flow in real time to accurately reflect the degree of airflow. The combination of the three sensors can effectively ensure the authenticity and reliability of the data acquisition, thereby providing solid data support for the balance between the safety of the appliance and the cooking effect.

[0022] Secondly, the present invention provides a cooking control device for use in cooking appliances, the device comprising: The acquisition module is used to acquire the current temperature, current pressure, and current flow rate of the cooking appliance in response to the user's operation of activating the cooking function. The judgment module is used to determine whether the vent of the cooking appliance is blocked based on the current temperature, current pressure and current flow rate, and to obtain the vent blockage status. The control module is used to control the cooking appliances to perform corresponding actions based on the blockage of the gas vent.

[0023] The cooking control device provided by this invention determines whether the vent of the cooking appliance is blocked by measuring the current temperature, pressure, and flow rate. Based on the blockage status, it controls the appliance to perform corresponding actions, significantly improving the accuracy and reliability of vent blockage detection. This prevents safety accidents caused by abnormal pressure increases from the source, eliminating potential safety hazards. Furthermore, by reasonably adjusting the cooking state of the appliance to balance cooking effects, it greatly improves cooking control efficiency, ensuring both safe use and effective cooking, and further enhancing the user experience.

[0024] Thirdly, the present invention provides a cooking appliance, the cooking appliance including a controller, the controller including a memory and a processor, the memory and the processor being communicatively connected to each other, the memory storing computer instructions, and the processor executing the computer instructions to perform the cooking control method of the first aspect or any corresponding embodiment described above.

[0025] In one optional embodiment, the cooking appliance includes a lid, a solenoid valve, a safety device, a first sensor, a second sensor, and a third sensor; wherein, the first sensor is located at the top of the cooking appliance to obtain the temperature at the top of the appliance; the second sensor is located inside the cooking appliance to obtain the pressure inside the appliance; and the third sensor is located at the steam outlet of the cooking appliance to obtain the flow rate at the steam outlet; the cooking appliance is a rice cooker, the first sensor is a temperature sensor, the second sensor is a pressure sensor, and the third sensor is a flow sensor. Attached Figure Description

[0026] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0027] Figure 1 This is a schematic flowchart of the cooking control method according to an embodiment of the present invention; Figure 2 This is a schematic flowchart of another cooking control method according to an embodiment of the present invention; Figure 3 This is a schematic diagram of the structure of the controller of the cooking appliance according to an embodiment of the present invention; Figure 4 This is a flowchart illustrating the control process of the rice cooker's porridge-cooking function; Figure 5 This is a structural block diagram of the cooking control device according to an embodiment of the present invention. Detailed Implementation

[0028] 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.

[0029] According to an embodiment of the present invention, a cooking control method embodiment is provided. 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. Furthermore, 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.

[0030] This embodiment provides a cooking control method applied to cooking appliances. Figure 1 This is a schematic flowchart of a cooking control method according to an embodiment of the present invention, such as... Figure 1 As shown, the process includes the following steps: Step S101: In response to the user's operation of activating the cooking function of the cooking appliance, obtain the current temperature, current pressure and current flow of the cooking appliance.

[0031] It should be noted that in this embodiment, the cooking appliance, the user's operation to activate the cooking function of the cooking appliance, and the specific content of the cooking function can all be adapted to relevant operations in the field and actual needs. For example, if the cooking appliance is a rice cooker, the user can press the "cook porridge" or "cook rice" button on the rice cooker, or start the corresponding cooking program through an application (APP) to trigger the entire cooking control process.

[0032] In this embodiment, the current temperature reflects the heat accumulation inside the pot. When the vent is blocked, heat cannot be released normally, and the temperature will rise abnormally. The current pressure directly reflects whether the gas inside the pot is flowing smoothly; if the vent is blocked, the pressure will rise sharply. The current flow rate directly indicates whether the vent is obstructed; if the vent is blocked, the exhaust flow rate will decrease significantly. Note that the specific methods for obtaining the above three types of data are not limited here. For example, data can be collected from different sensors; this is only an example.

[0033] Step S102: Determine whether the vent of the cooking appliance is blocked based on the current temperature, current pressure and current flow rate, and obtain the vent blockage status.

[0034] In this embodiment, the air outlet blockage includes two states: blocked and unblocked.

[0035] Step S103: Control the cooking appliance to perform corresponding actions according to the blockage of the vent.

[0036] In this embodiment, when the vent is blocked, safety is prioritized, and relevant safety procedures must be performed to ensure the safe use of the cooking appliance. When the vent is not blocked, cooking efficiency is prioritized, and the food can be heated according to the set cooking function to complete the cooking process. Note that the specific details of the safety procedures can be adjusted according to actual needs, such as locking the lid to prevent the user from opening it, stopping cooking, or sending a text message to remind the user.

[0037] The cooking control method of this invention determines whether the vent of the cooking appliance is blocked by measuring the current temperature, pressure, and flow rate. This significantly improves the accuracy and reliability of vent blockage identification, providing a precise basis for the appliance to perform different actions. It not only avoids safety accidents caused by abnormal pressure increases at the source and eliminates safety hazards, but also greatly improves cooking control efficiency and user experience by reasonably adjusting the cooking state of the appliance to take into account the cooking effect.

[0038] This embodiment provides a cooking control method applied to cooking appliances. Figure 2 This is a schematic flowchart of another cooking control method according to an embodiment of the present invention, such as... Figure 2 As shown, the process includes the following steps: In step S201, in response to the user's operation of activating the cooking function of the cooking appliance, the current temperature, current pressure and current flow of the cooking appliance are obtained.

[0039] Specifically, step S201 includes: In step S2011, in response to the user's operation of activating the cooking function of the cooking appliance, the current temperature of the top of the appliance is obtained by a first sensor located at the top of the cooking appliance, the current pressure inside the appliance is obtained by a second sensor located inside the cooking appliance, and the current flow rate of the vent is obtained by a third sensor located at the vent of the cooking appliance.

[0040] It should be noted that in this embodiment, the first sensor is located at the top of the appliance to directly capture temperature changes at the top of the pot that are strongly correlated with vent blockage, effectively avoiding environmental interference; the second sensor is located inside the appliance to measure internal pressure, directly reflecting the true pressure state inside the pot without indirect measurement errors; the third sensor is located at the vent of the cooking appliance, i.e., adjacent to the vent, to capture subtle changes in exhaust flow in real time, accurately reflecting the degree of airflow. The combination of these three sensors effectively ensures the authenticity and reliability of the data acquisition, thus providing solid data support for balancing the safety of the appliance and the cooking effect.

[0041] In this embodiment, each sensor is installed in a "core sensing area" where parameters change, enabling it to immediately detect blockage-related anomalies in temperature, pressure, and flow, such as a sudden drop in flow or a surge in internal pressure when the vent is blocked. This reduces data transmission and sensing lag, allowing time for subsequent blockage determination and safety action triggering. Furthermore, the sensor positions are designed to fit the structural design of the cooking appliance; the installation layout at the top, inside, and vent will not interfere with the cooking process and avoids the influence of food ingredients and moisture on sensor operation, ensuring data acquisition stability over long-term use and reducing the probability of equipment failure. Note that the specific type of each sensor can be adaptively adjusted according to actual needs; for example, the first sensor could be a temperature sensor. In summary, through the sensor placement in this embodiment, accurate and targeted efficient data acquisition can be achieved, effectively reducing data source errors such as false positives and false negatives.

[0042] Step S202: Determine whether the vent of the cooking appliance is blocked based on the current temperature, current pressure and current flow rate, and obtain the vent blockage status.

[0043] It should be noted that, in this embodiment, different judgment logics (i.e., AND logic and OR logic) are set for determining the blockage of the vent, taking into account the type of cooking appliance and the usage scenario. Specifically, for ordinary rice cookers, soup pots and other low-pressure / no-pressure cooking appliances, or cooking scenarios where ingredients that are not easily blocked, such as white rice and clear soup, all three parameters must simultaneously meet the set blockage conditions before the vent is judged to be blocked. This has the significant advantage of high judgment accuracy, avoiding misjudgments caused by parameter fluctuations during normal cooking (such as brief pressure increases or room temperature interference); reducing unnecessary safety action triggers (such as frequent lid locking or power reduction), ensuring a continuous cooking process; and reducing the ineffective operating load of the equipment, thus improving control stability. For appliances with drastic pressure fluctuations, such as low-pressure rice cookers and high-pressure cookers, or cooking scenarios involving easily clogged ingredients like multigrain porridge, beans, and white fungus, the system can determine that the vent is blocked once any parameter meets the set blockage condition. It has the advantage of being highly responsive, capturing potential risks in the early stages of blockage (such as only a decrease in flow or only a slight increase in pressure), avoiding missed detections. It can trigger protective actions in advance to minimize the risk of frying or splashing caused by increased pressure. It is also adaptable to complex blockage evolution processes, covering all risk stages from minor to severe.

[0044] In this embodiment, step S202 includes: Step a1: Determine whether the current temperature is greater than the preset temperature threshold, whether the current pressure is greater than the preset pressure threshold, and whether the current flow rate is less than the preset flow rate threshold.

[0045] In this embodiment, the specific values ​​of the preset temperature threshold, preset pressure threshold, and preset flow rate threshold can be adaptively set according to actual needs, and are not limited in detail here.

[0046] Step a2: When the current temperature is greater than the preset temperature threshold, the current pressure is greater than the preset pressure threshold, and the current flow rate is less than the preset flow rate threshold, the gas outlet is determined to be blocked, meaning the gas outlet of the cooking appliance is currently blocked.

[0047] Step a3: When the current temperature is not greater than the preset temperature threshold, or the current pressure is not greater than the preset pressure threshold, or the current flow rate is not less than the preset flow rate threshold, the gas outlet blockage is determined to be that the gas outlet of the cooking appliance is not currently blocked.

[0048] In this embodiment of the invention, an AND logic judgment method is designed with three conditions: temperature exceeding the threshold, pressure exceeding the threshold, and flow rate falling below the threshold. Only when all three core parameters meet the blockage characteristics is the outlet determined to be in a blocked state. This completely avoids single parameter anomalies, such as those caused by ambient temperature or short-term pressure fluctuations, and greatly improves the accuracy and reliability of blockage identification, providing a precise basis for subsequent devices to perform different actions.

[0049] In this embodiment, step S202 includes: Step b1: Determine whether the current temperature is greater than the preset temperature threshold, whether the current pressure is greater than the preset pressure threshold, and whether the current flow rate is less than the preset flow rate threshold.

[0050] In this embodiment, the threshold-related content is as described above and will not be repeated here.

[0051] Step b2: When the current temperature is greater than the preset temperature threshold, or the current pressure is greater than the preset pressure threshold, or the current flow rate is less than the preset flow rate threshold, the gas outlet is determined to be blocked.

[0052] Step b3: When the current temperature is not greater than the preset temperature threshold, the current pressure is not greater than the preset pressure threshold, and the current flow rate is not less than the preset flow rate threshold, the gas outlet blockage is determined to be that the gas outlet of the cooking appliance is not currently blocked.

[0053] In this embodiment of the invention, an "OR logic" judgment method is designed based on three conditions: temperature exceeding the threshold, pressure exceeding the threshold, and flow rate falling below the threshold. As long as any core parameter shows a blockage-related abnormality, it is determined that the air outlet is currently in a blocked state. This method can capture the initial stage of blockage, such as potential risks caused by only a decrease in flow rate or only an increase in pressure. This avoids missed judgments caused by multiple parameters not meeting the standards at the same time, making blockage identification more timely and thus achieving early warning.

[0054] In practical applications, the amount of food (also known as the amount of rice) inside the cooking appliance directly determines the temperature rise pattern within the pot. Differential thresholds are needed for adaptation. For example, the more rice (e.g., large rice), the more food and water are in the pot, resulting in faster heat accumulation and a higher temperature rise rate detected by the top temperature sensor. Conversely, the less rice (e.g., small millet), the less food and water are in the pot, allowing heat to dissipate more easily, leading to a lower temperature rise rate detected by the top temperature sensor. Furthermore, actual test data shows that when the vent is not blocked, the temperature of the top temperature sensor can reach 99-100℃ with a large amount of rice, while it is mostly below 98℃ with a small amount of millet. This inherent temperature difference necessitates different thresholds to match real-world scenarios. For instance, assuming only a single temperature threshold, using a high threshold for a large amount of rice might cause the temperature to fail to reach the target when the small amount of millet is blocked, leading to a missed detection and a potential safety hazard due to increased pressure. Conversely, using a low threshold for a small amount of millet might cause the temperature to reach the target prematurely when the large amount of rice is cooking normally, triggering unnecessary safety actions (such as locking the lid or reducing power), thus affecting the cooking process. Therefore, before determining whether the current temperature is greater than the preset temperature threshold, the cooking control method of this embodiment further includes: Step c1: Obtain the rate of temperature rise of the cooking appliance within a preset time.

[0055] It should be noted that in this embodiment, the temperature rise rate represents the amount of temperature change over a certain period of time. It can be determined by dividing the difference between the initial temperature and the final temperature at a preset time (such as 10 minutes) by the preset time.

[0056] Step c2: Determine the cooking volume of the cooking appliance based on the rate of temperature rise, and determine the preset temperature threshold based on the cooking volume.

[0057] Specifically, step c2 above includes: Step c21: When the rate of temperature rise is greater than the preset rate threshold, the cooking quantity of the cooking appliance is determined to be the first quantity level, and the first temperature threshold set for the first quantity level is determined as the preset temperature threshold.

[0058] In this embodiment, the first order of magnitude is the amount of rice.

[0059] Step c22: When the rate of temperature rise is not greater than the preset rate threshold, the cooking quantity of the cooking appliance is determined to be the second quantity level, and the second temperature threshold set for the second quantity level is determined as the preset temperature threshold; wherein, the first temperature threshold is greater than the second temperature threshold.

[0060] In this embodiment, the second level is the amount of millet; the specific values ​​of the preset rate threshold, the first temperature threshold, and the second temperature threshold are adaptively adjusted according to actual needs, and are not limited in detail here.

[0061] In this embodiment, two cooking quantity levels are clearly defined by the rate of temperature rise, and the first temperature threshold is higher than the second temperature threshold. This not only achieves the matching of temperature judgment standard with the actual cooking characteristics of different quantities of food, making the threshold adaptation more accurate, but also unifies the judgment deviation caused by the threshold. Whether it is a large or small quantity of food being cooked, the corresponding threshold can be used to capture the temperature anomalies related to blockage, thereby adapting to the diverse cooking needs of easily blocked ingredients.

[0062] In this embodiment of the invention, the correlation between temperature change and the amount of food being cooked is considered. Before determining whether the vent of the cooking appliance is blocked by using the current temperature of the appliance, the current amount of food being cooked is determined based on the rate of temperature rise. Corresponding preset temperature thresholds are matched according to different amounts of food. The above design of optimizing the temperature judgment standard based on the amount of food is not only suitable for scenarios with different amounts of food, such as large or small quantities, but also eliminates abnormal parameter interference caused by differences in the amount of food, further improving the accuracy of blockage judgment.

[0063] Step S203: Control the cooking appliance to perform corresponding actions according to the blockage of the vent.

[0064] Specifically, step S203 above includes: Step S2031: When the gas outlet is not blocked, control the cooking appliance to cook at the first preset heating power.

[0065] Step S2032: When the gas outlet is blocked, the cooking appliance is controlled to perform a safety operation. The safety operation includes controlling the solenoid valve of the cooking appliance to energize to trigger the safety device to lock the lid of the cooking appliance, controlling the cooking appliance to cook at the second preset heating power, and prompting the user that the gas outlet is blocked; wherein, the first preset heating power is greater than the second preset heating power.

[0066] It should be noted that the functions of the solenoid valve and safety device in this embodiment can be understood by referring to relevant content in the art. For example, when the solenoid valve is not energized, it is in the default state (usually does not trigger locking). When a blockage of the vent is detected (i.e., abnormal pressure inside the pot), it is energized. The solenoid valve triggers the safety device (i.e., the locking structure used to cooperate with the pot body, such as a mechanical latch or an electromagnetic lock) through mechanical transmission (such as the retraction of the push rod or magnetic attraction) to perform the corresponding locking operation (such as the mechanical latch popping out to lock the pot lid, preventing the pot lid from opening upwards, or the electromagnetic attraction using electromagnetic force to lock the pot lid locking component, forming a rigid fixation). After locking, the user cannot manually open the pot lid until the solenoid valve is de-energized and the safety device is unlocked.

[0067] In this embodiment, the specific values ​​of the first preset heating power and the second preset heating power can be adaptively set according to the actual appliance type.

[0068] In this embodiment of the invention, cooking at high power when the vent is not blocked ensures cooking efficiency and thorough cooking of the ingredients. When the vent is blocked, the system switches to low power for continuous heating to avoid undercooked food caused by interrupted cooking, thus maintaining cooking quality. Simultaneously, it triggers multiple safety operations, including energizing the solenoid valve to lock the lid and providing user prompts. This prevents accidental opening of the lid, which could lead to pressure splashing or an explosion, and also suppresses further pressure buildup inside the pot through low-power heating, thus preventing potential safety hazards at the source. This approach maximizes both the safety control of the cooking appliance and the cooking effect.

[0069] In practical applications, even after the vent of a cooking appliance is blocked and the corresponding safety action is performed, high pressure may still remain inside the pot. Simply relying on the "action execution" is insufficient to confirm whether the pressure has dropped to a safe range. Since temperature and pressure are directly related (e.g., a decrease in temperature leads to a simultaneous decrease in pressure), continuous temperature monitoring is necessary to indirectly determine the current pressure state inside the appliance. This prevents premature opening of the lid, which could lead to splashing or splattering, and allows for precise control of the unlocking timing, balancing safety and user experience. Therefore, after controlling the cooking appliance to perform the corresponding action based on the vent blockage, the cooking control method in this embodiment further includes: Step d1: Continuously monitor the current temperature of the cooking appliance.

[0070] Step d2: When the current temperature is lower than the preset safety threshold, control the solenoid valve of the cooking appliance to reset so as to release the safety device from locking the lid of the cooking appliance and prompt the user that cooking is complete.

[0071] In this embodiment, the specific value of the preset safety threshold can be adaptively set according to the actual type of appliance.

[0072] In this embodiment of the invention, the temperature is continuously monitored after cooking. Only when the current temperature is lower than a preset safety threshold is the electromagnetic valve of the cooking appliance reset to release the lid lock of the safety device. This completely avoids the risk of splashing or frying caused by residual pressure in the pot. It forms a full-cycle safety protection from cooking to cooking and greatly improves the operational safety of the entire cooking process.

[0073] This invention also provides a cooking appliance, which includes a lid, a solenoid valve, a safety device, a first sensor, a second sensor, and a third sensor. The first sensor is located at the top of the cooking appliance and is used to obtain the temperature at the top of the appliance. The second sensor is located inside the cooking appliance and is used to obtain the pressure inside the appliance. The third sensor is located at the vent of the cooking appliance and is used to obtain the flow rate at the vent.

[0074] In this embodiment, the specific type of cooking appliance is not limited and can be adapted according to actual needs. For example, the cooking appliance may be a rice cooker, electric pressure cooker, or electric slow cooker, etc., which is only used as an example. Note that other internal components of the cooking appliance and the types of various sensors can be understood by referring to the relevant content above, and will not be repeated here.

[0075] In this embodiment, the cooking appliance also includes a controller; please refer to [link / reference]. Figure 3 , Figure 3 This is a schematic diagram of the structure of the controller provided in an optional embodiment of the present invention, as shown below. Figure 3As shown, the controller includes one or more processors 10, memory 20, and interfaces for connecting the components, including high-speed interfaces and low-speed interfaces. The components communicate with each other via different buses and can be mounted on a common motherboard or otherwise as required. The processors can process instructions executed within the controller, including instructions stored in or on memory to display graphical information of a GUI on external input / output devices (such as display devices coupled to the interfaces). In some alternative implementations, multiple processors and / or multiple buses can be used with multiple memories and multiple memory modules, if desired. Similarly, multiple controllers can be connected, each providing some of the necessary operations (e.g., as a server array, a group of blade servers, or a multiprocessor system). Figure 3 Take a processor 10 as an example.

[0076] Processor 10 may be a central processing unit, a network processor, or a combination thereof. Processor 10 may further include a hardware chip. The hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD), or a combination thereof. The programmable logic device may be a complex programmable logic device (CAMP), a field-programmable gate array (FPGA), a general-purpose array logic (GDA), or any combination thereof.

[0077] The memory 20 stores instructions executable by at least one processor 10 to cause at least one processor 10 to perform the method shown in the above embodiments.

[0078] The memory 20 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 based on the use of the controller. Furthermore, the memory 20 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 alternative embodiments, the memory 20 may optionally include memory remotely located relative to the processor 10, and these remote memories may be connected to the controller 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.

[0079] The memory 20 may include volatile memory, such as random access memory; the memory may also include non-volatile memory, such as flash memory, hard disk or solid-state drive; the memory 20 may also include a combination of the above types of memory.

[0080] The controller also includes an input device 30 and an output device 40. The processor 10, memory 20, input device 30, and output device 40 can be connected via a bus or other means. Figure 3Taking the example of a connection between China and Israel via a bus.

[0081] Input device 30 can receive input digital or character information, and generate signal inputs related to user settings and function control of the thermal power unit's operation control unit, such as a touch screen, keypad, mouse, trackpad, touchpad, indicator, one or more mouse buttons, trackball, joystick, etc. Output device 40 may include display devices, auxiliary lighting devices (e.g., LEDs), and haptic feedback devices (e.g., vibration motors). The aforementioned display devices include, but are not limited to, liquid crystal displays, light-emitting diodes, displays, and plasma displays. In some optional embodiments, the display device may be a touch screen.

[0082] In this embodiment, the cooking appliance is a rice cooker, the first sensor is a temperature sensor, the second sensor is a pressure sensor, and the third sensor is a flow sensor. Specifically, integrating the cooking control method described above into the cooking appliance enables it to achieve a highly stable and reliable cooking effect. It not only determines whether the appliance's vent is blocked by monitoring the current temperature, pressure, and flow rate, but also controls the appliance to perform corresponding actions based on the vent blockage status, significantly improving the accuracy and reliability of vent blockage detection. This avoids safety accidents caused by abnormal pressure increases at the source, eliminating safety hazards. Furthermore, by reasonably adjusting the appliance's cooking state, it balances cooking effectiveness with safety, greatly improving cooking control efficiency and enhancing the user experience.

[0083] In one specific embodiment, the cooking appliance is a rice cooker. A control scheme for the rice cooker's porridge-cooking function is proposed to address the safety hazard caused by abnormally high internal pressure due to vent blockage during the cooking of multigrain porridge, while also ensuring the porridge is cooked thoroughly. Specifically, the control scheme determines whether the rice cooker's vent is blocked based on the temperature change of an internally installed top temperature sensor. When a blockage is detected, the solenoid valve is energized, activating the safety device. The control program automatically switches to a low duty cycle heating mode and alerts the user to the current status, thus achieving coordinated protection of safety and cooking performance. Note that, for hardware cost considerations, the above control scheme only relies on the top temperature sensor inside the rice cooker to determine vent blockage. To ensure accurate determination of vent blockage, a pressure sensor needs to be added inside the rice cooker to detect the internal pressure and determine blockage based on the pressure level; alternatively, a flow sensor could be added to the vent to determine the blockage based on the outlet flow rate.

[0084] In this embodiment, the clogging recognition and safety control process of the rice cooker's air outlet is applicable to the usage scenario when the rice cooker is cooking miscellaneous grain porridge; and the rice cooker includes a pot body, a top temperature sensor, a control module, a solenoid valve, etc. Among them, the solenoid valve is default in the power-off state, and heating is carried out with the duty cycle of A:B:C, where A represents the corner heating time, B represents the bottom heating time, and C represents the stop time when heating stops in each area. If the duty cycle is 12:2:10, then the corner heating time is 12s, the bottom heating time is 2s, and the stop heating time is 10s. Specifically, Figure 4 is a schematic flow chart of the rice cooker's porridge cooking function control. As can be seen from the figure, this process includes: 1. Start cooking porridge.

[0085] In this embodiment, after the user operates the corresponding button for the porridge cooking function of the rice cooker, the porridge cooking starts. That is, after the user triggers the "porridge cooking" function, the process officially starts.

[0086] 2. Identify the amount of rice.

[0087] In this embodiment, first record the temperature rise rate of the top temperature sensor, and judge whether the "temperature rise rate is greater than V1 (i.e., the preset rate)". If the temperature rise rate is greater than V1, it is judged as a small amount of rice (less ingredients for a small amount of rice, faster temperature rise during heating); if the temperature rise rate is not greater than V1, it is judged as a large amount of rice (more ingredients for a large amount of rice, slower temperature rise during heating). Then continuously record the temperature of the top temperature sensor and perform the determination process for the clogging of the air outlet according to it. Specifically, after starting cooking, the top temperature sensor continuously detects the temperature of the top area of the pot lid. The control module calculates the temperature rise rate V1 (0.5℃ / min < V1 < 10℃ / min) within 10 minutes; if the temperature rise rate is less than V1, it is judged that the rice cooker is cooking porridge with a large amount of rice at this time; if the temperature rise rate is greater than V1, it is judged that the rice cooker is cooking porridge with a small amount of rice at this time.

[0088] 3. Judge clogging.

[0089] In this embodiment, it is determined whether the air outlet is clogged by judging the magnitude relationship between the temperature of the top temperature sensor and different set temperature thresholds. Specifically, when it is detected that the temperature of the top temperature sensor is always less than T1 (95℃ < T1 < 102℃) during cooking porridge with a large amount of rice, or when it is detected that the temperature of the top temperature sensor is always less than T2 (95℃ < T2 < 102℃) during cooking porridge with a small amount of rice, then heating is carried out with a preset duty cycle of A1:B1:C1 (0 ≤ A1 ≤ 15, 0 ≤ B1 ≤ 15, 0 ≤ C1 ≤ 15) until the cooking ends and the porridge cooking is completed.

[0090] Further, if it is detected that the temperature of the top temperature sensor exceeds T1 during rice porridge cooking, it is determined that the air outlet is blocked at this time, and the user is reminded that the rice cooker is blocked and not to open the lid. At the same time, the solenoid valve is powered on to trigger the safety device. The control module controls the rice cooker to continue cooking and switches to a smaller duty cycle A2:B2:C2 (0 ≤ A2 ≤ 15, 0 ≤ B2 ≤ 15, 0 ≤ C2 ≤ 15) for heating, so that the temperature of the top temperature sensor is maintained at T3 (99°C < T3 < 101°C) and lasts for t1 (20 min < t1 < 60 min) until the cooking ends. Then the top temperature sensor continuously records the temperature of the top area of the pot lid. If the temperature of the top temperature sensor ≥ T4 (80°C < T4 < 94°C), the user needs to wait further. If the temperature of the top temperature sensor < T4, the solenoid valve is powered off, the safety device is closed, and the rice cooker reminds the user that the porridge cooking is completed.

[0091] Further, if it is detected that the temperature of the top temperature sensor exceeds T2 during millet porridge cooking, it is determined that the air outlet is blocked at this time, and the user is reminded that the rice cooker is blocked and not to open the lid. At the same time, the solenoid valve is powered on to trigger the safety device. The control module controls the rice cooker to continue cooking and switches to a smaller duty cycle A3:B3:C3 (0 ≤ A3 ≤ 15, 0 ≤ B3 ≤ 15, 0 ≤ C3 ≤ 15. Note that A1 ≥ A2 ≥ A3, B1 ≥ B2 ≥ B3, C1 ≤ C2 ≤ C3) for heating, also making the temperature of the top temperature sensor maintained at T3 (99°C < T3 < 101°C) and lasts for t1 (20 min < t1 < 60 min) until the cooking ends. Then the top temperature sensor still continuously records the temperature of the top area of the pot lid. If the temperature of the top temperature sensor ≥ T4 (80°C < T4 < 94°C), the user needs to wait further. If the temperature of the top temperature sensor < T4, the solenoid valve is powered off, the safety device is closed, and the rice cooker reminds the user that the porridge cooking is completed.

[0092] In summary, the cooking control method of the embodiment of the present invention can accurately identify whether the air outlet in the pot is blocked by monitoring the temperature change of the top temperature sensor, give early warnings and control the heating method; at the same time, when the solenoid is powered on, the safety device is triggered, preventing the user from opening the lid and eliminating potential safety hazards. Then, by switching to a small duty cycle slow heating mode by the control module, it avoids affecting the cooking quality due to interrupted heating, achieving the technical effect of balancing safety and cooking effect. In addition, by using the reminder device to give the user a blockage reminder, it enhances the user's awareness of the current state, further improving the user experience and safety. The above determines whether there is a risk of the pot exploding based on the amount of rice in the pot and the temperature of the top temperature sensor, and then triggers the solenoid valve to trigger the protection device to protect the user's safety. At the same time, by adjusting the heating duty cycle, it greatly ensures the safety of cooking miscellaneous grain porridge and the cooking effect of porridge.

[0093] This embodiment also provides a cooking control device for implementing the above embodiments and preferred embodiments; details already described will not be repeated. As used below, a "module" can be a combination of software and / or hardware that performs a predetermined function. Although the device described in the following embodiments is preferably implemented in software, hardware implementation, or a combination of software and hardware, is also possible and contemplated.

[0094] This invention provides a cooking control device for use with cooking appliances, such as... Figure 5 As shown, the device includes: The acquisition module 501 is used to acquire the current temperature, current pressure and current flow of the cooking appliance in response to the user's operation of activating the cooking function of the cooking appliance.

[0095] The judgment module 502 is used to determine whether the gas outlet of the cooking appliance is blocked based on the current temperature, current pressure and current flow rate, and to obtain the gas outlet blockage status.

[0096] The control module 503 is used to control the cooking appliance to perform corresponding actions according to the blockage of the gas outlet.

[0097] In some optional implementations, the acquisition module 501 includes: an acquisition submodule, configured to, in response to a user's operation to turn on the cooking function of the cooking appliance, acquire the current temperature at the top of the appliance via a first sensor located at the top of the cooking appliance, acquire the current pressure inside the appliance via a second sensor located inside the cooking appliance, and acquire the current flow rate at the vent via a third sensor located at the vent of the cooking appliance.

[0098] In some optional implementations, the determination module 502 includes: The first judgment submodule is used to determine whether the current temperature is greater than a preset temperature threshold, whether the current pressure is greater than a preset pressure threshold, and whether the current flow rate is less than a preset flow rate threshold. The second judgment submodule is used to determine that the gas outlet of the cooking appliance is currently blocked when the current temperature is greater than the preset temperature threshold, the current pressure is greater than the preset pressure threshold, and the current flow rate is less than the preset flow rate threshold. The third judgment submodule is used to determine that the gas outlet of the cooking appliance is not currently blocked when the current temperature is not greater than the preset temperature threshold, the current pressure is not greater than the preset pressure threshold, or the current flow rate is not less than the preset flow rate threshold.

[0099] In some optional implementations, the determination module 502 includes: The first determination submodule is used to determine whether the current temperature is greater than a preset temperature threshold, whether the current pressure is greater than a preset pressure threshold, and whether the current flow rate is less than a preset flow rate threshold. The second determination submodule is used to determine that the gas outlet of the cooking appliance is currently blocked when the current temperature is greater than the preset temperature threshold, the current pressure is greater than the preset pressure threshold, or the current flow rate is less than the preset flow rate threshold. The third determination submodule is used to determine that the gas outlet of the cooking appliance is not currently blocked when the current temperature is not greater than the preset temperature threshold, the current pressure is not greater than the preset pressure threshold, and the current flow rate is not less than the preset flow rate threshold.

[0100] In some optional implementations, the determination module 502 further includes: a magnitude determination submodule, used to obtain the temperature rise rate of the cooking appliance within a preset time; determine the magnitude of the food being cooked by the cooking appliance based on the temperature rise rate; and determine a preset temperature threshold based on the magnitude of the food being cooked.

[0101] In some alternative implementations, the control module 503 includes: The first control submodule is used to control the cooking appliance to cook according to the first preset heating power when the air outlet blockage is not currently blocked. The second control submodule is used to control the cooking appliance to perform safety operations when the air outlet of the cooking appliance is currently blocked. The safety operations include controlling the solenoid valve of the cooking appliance to energize to trigger the safety device to lock the lid of the cooking appliance, controlling the cooking appliance to cook at a second preset heating power, and prompting the user that the air outlet is blocked; wherein, the first preset heating power is greater than the second preset heating power.

[0102] In some optional implementations, the control module 503 further includes: a continuous monitoring submodule for continuously monitoring the current temperature of the cooking appliance; when the current temperature is less than a preset safety threshold, controlling the solenoid valve of the cooking appliance to reset to release the safety device from locking the lid of the cooking appliance, and prompting the user that cooking is complete.

[0103] Further functional descriptions of the above modules are the same as those in the corresponding embodiments described above, and will not be repeated here.

[0104] In this embodiment, the cooking control device is presented in the form of a functional unit. Here, a unit refers to an ASIC (Application Specific Integrated Circuit) circuit, a processor and memory that execute one or more software or fixed programs, and / or other devices that can provide the above functions.

[0105] The cooking control device of this invention determines whether the vent of the cooking appliance is blocked by measuring the current temperature, pressure, and flow rate. Based on the blockage status, it controls the appliance to perform corresponding actions, significantly improving the accuracy and reliability of vent blockage identification. This avoids safety accidents caused by abnormal pressure increases at the source, eliminating safety hazards and ensuring cooking results by reasonably adjusting the appliance's cooking state. It improves cooking control efficiency, balances safe use of the appliance with cooking results, and greatly enhances the user experience.

[0106] 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 cooking control method applied to cooking appliances, characterized in that, The method includes: In response to the user's operation of activating the cooking function of the cooking appliance, the current temperature, current pressure, and current flow rate of the cooking appliance are obtained; Based on the current temperature, the current pressure, and the current flow rate, determine whether the vent of the cooking appliance is blocked, and obtain the vent blockage status; The cooking appliance is controlled to perform corresponding actions based on the blockage of the vent.

2. The cooking control method according to claim 1, characterized in that, The step of determining whether the vent of the cooking appliance is blocked based on the current temperature, the current pressure, and the current flow rate, and obtaining the vent blockage status, includes: Determine whether the current temperature is greater than a preset temperature threshold, whether the current pressure is greater than a preset pressure threshold, and whether the current flow rate is less than a preset flow rate threshold, respectively. When the current temperature is greater than the preset temperature threshold, the current pressure is greater than the preset pressure threshold, and the current flow rate is less than the preset flow rate threshold, the vent blockage is determined to be that the vent of the cooking appliance is currently blocked. When the current temperature is not greater than the preset temperature threshold, or the current pressure is not greater than the preset pressure threshold, or the current flow rate is not less than the preset flow rate threshold, the gas outlet blockage is determined to be that the gas outlet of the cooking appliance is currently not blocked.

3. The cooking control method according to claim 1, characterized in that, The step of determining whether the vent of the cooking appliance is blocked based on the current temperature, the current pressure, and the current flow rate, and obtaining the vent blockage status, includes: Determine whether the current temperature is greater than a preset temperature threshold, whether the current pressure is greater than a preset pressure threshold, and whether the current flow rate is less than a preset flow rate threshold, respectively. When the current temperature is greater than the preset temperature threshold, or the current pressure is greater than the preset pressure threshold, or the current flow rate is less than the preset flow rate threshold, the vent blockage is determined to be that the vent of the cooking appliance is currently blocked. When the current temperature is not greater than the preset temperature threshold, the current pressure is not greater than the preset pressure threshold, and the current flow rate is not less than the preset flow rate threshold, the gas outlet blockage is determined to be that the gas outlet of the cooking appliance is currently not blocked.

4. The cooking control method according to claim 2 or 3, characterized in that, Before determining whether the current temperature is greater than a preset temperature threshold, the method further includes: Obtain the rate of temperature rise of the cooking appliance within a preset time; The cooking volume of the cooking appliance is determined based on the rate of temperature rise, and a preset temperature threshold is determined based on the cooking volume.

5. The cooking control method according to claim 4, characterized in that, The step of determining the cooking volume of the cooking appliance based on the rate of temperature rise, and determining a preset temperature threshold based on the cooking volume, includes: When the rate of temperature rise is greater than a preset rate threshold, the cooking volume of the cooking appliance is determined to be a first volume, and the first temperature threshold set for the first volume is determined to be a preset temperature threshold. When the rate of temperature rise is not greater than a preset rate threshold, the cooking quantity of the cooking appliance is determined to be a second quantity, and the second temperature threshold set for the second quantity is determined as a preset temperature threshold; wherein, the first temperature threshold is greater than the second temperature threshold.

6. The cooking control method according to claim 2 or 3, characterized in that, The control of the cooking appliance to perform corresponding actions based on the blockage of the vent includes: When the air outlet blockage is not present in the air outlet of the cooking appliance, the cooking appliance is controlled to cook at a first preset heating power. When the vent blockage occurs when the vent of the cooking appliance is currently blocked, the cooking appliance is controlled to perform a safety operation. The safety operation includes energizing the solenoid valve of the cooking appliance to trigger a safety device to lock the lid of the cooking appliance, controlling the cooking appliance to cook at a second preset heating power, and alerting the user that the vent is blocked; wherein, the first preset heating power is greater than the second preset heating power.

7. The cooking control method according to claim 6, characterized in that, After controlling the cooking appliance to perform the corresponding action according to the blockage of the vent, the method further includes: Continuously monitor the current temperature of the cooking appliance; When the current temperature is lower than a preset safety threshold, the solenoid valve of the cooking appliance is reset to release the safety device from locking the lid of the cooking appliance and to notify the user that cooking is complete.

8. The cooking control method according to claim 1, characterized in that, The process of obtaining the current temperature, current pressure, and current flow rate of the cooking appliance includes: The current temperature at the top of the cooking appliance is obtained by a first sensor located at the top of the appliance, the current pressure inside the appliance is obtained by a second sensor located inside the appliance, and the current flow rate at the vent is obtained by a third sensor located at the vent of the cooking appliance.

9. A cooking control device, applied to a cooking utensil, characterized in that, The device includes: The acquisition module is used to acquire the current temperature, current pressure and current flow of the cooking appliance in response to the user's operation of activating the cooking function of the cooking appliance; The judgment module is used to determine whether the vent of the cooking appliance is blocked based on the current temperature, the current pressure and the current flow rate, and to obtain the vent blockage status. The control module is used to control the cooking appliance to perform corresponding actions according to the blockage of the vent.

10. A cooking utensil, characterized in that, The cooking appliance includes a controller, which includes a memory and a processor. 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 cooking control method according to any one of claims 1 to 8.

11. The cooking utensil according to claim 10, characterized in that, The cooking appliance includes a lid, a solenoid valve, a safety device, a first sensor, a second sensor, and a third sensor; wherein, the first sensor is located at the top of the cooking appliance to obtain the temperature at the top of the appliance; the second sensor is located inside the cooking appliance to obtain the pressure inside the appliance; the third sensor is located at the steam outlet of the cooking appliance to obtain the flow rate at the steam outlet; the cooking appliance is a rice cooker, the first sensor is a temperature sensor, the second sensor is a pressure sensor, and the third sensor is a flow sensor.

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