Control method for pressure cooking appliance, and related device

Abstract

A control method for a pressure cooking appliance (40) and a related device. The control method comprises: acquiring pressure information of a cooking chamber of a pressure cooking appliance (40) (S110); when the pressure information of the cooking chamber is greater than or equal to a first preset pressure (x1), controlling heat dissipation assemblies (3000) to cool the cooking chamber at a first total heat dissipation power (S120); and when the pressure information of the cooking chamber is less than or equal to a second preset pressure (x2), controlling the heat dissipation assemblies (3000) to cool the cooking chamber at a second total heat dissipation power, and generating a pressure relief instruction for a pressure relief valve (S130), wherein the first preset pressure (x1) is greater than the second preset pressure (x2), and the first total heat dissipation power is greater than the second total heat dissipation power.

Description

A control method and related equipment for a pressure cooking appliance Cross-reference to related applications

[0001] This application claims priority to Chinese patent application No. 202411642363.5, filed on November 15, 2024, the entire contents of which are incorporated herein by reference. Technical Field

[0002] This disclosure relates to the field of pressure cooking appliance control technology, and more specifically to a control method for a pressure cooking appliance, a control device for a pressure cooking appliance, a cooking control device, a computer-readable storage medium, and a pressure cooking appliance. Background Technology

[0003] After a pressure cooker finishes cooking, the pressure inside the cooking space usually needs to be released before removing the food. In related technologies, pressure cookers are often equipped with valves such as pressure relief valves or exhaust valves that connect to the cooking space to release pressure. However, in practical applications, it has been found that these valves typically produce significant noise during pressure release, not only causing noise pollution in the cooking environment but also potentially leading to feelings of insecurity and negatively impacting the user experience. Summary of the Invention

[0004] This disclosure aims to address at least one of the technical problems existing in the prior art or related technologies.

[0005] In view of this, in a first aspect, embodiments of this disclosure provide a control method for a pressure cooking appliance, comprising: acquiring pressure information of the cooking chamber of the pressure cooking appliance; when the pressure information of the cooking chamber is greater than or equal to a first preset pressure, controlling a heat dissipation component to cool the cooking chamber with a first total heat dissipation power, so that the pressure information of the cooking chamber is reduced to a second preset pressure; when the pressure information of the cooking chamber is less than or equal to the second preset pressure, controlling the heat dissipation component to cool the cooking chamber with a second total heat dissipation power, and generating a pressure relief valve pressure relief command, wherein the first preset pressure is greater than the second preset pressure, and the first total heat dissipation power is greater than the second total heat dissipation power. In a feasible embodiment, the method further comprises:

[0006] When the pressure information of the cooking cavity is less than the third preset pressure, an opening command is generated, wherein the third preset pressure is less than the second preset pressure.

[0007] In one feasible implementation, the above method further includes:

[0008] If the pressure information of the cooking chamber is greater than or equal to the first preset pressure, the heating component is controlled to stop heating.

[0009] In one feasible implementation, the aforementioned first total heat dissipation power and the aforementioned second total heat dissipation power are adjusted based on the number of heat dissipation components that are activated.

[0010] The above methods also include:

[0011] When the pressure information of the cooking cavity is greater than or equal to the first preset pressure, the first number of heat dissipation components are controlled to cool down the cooking cavity.

[0012] When the pressure information of the cooking cavity is less than or equal to the second preset pressure, the second number of the heat dissipation components are controlled to cool the cooking cavity, wherein the first number is greater than the second number.

[0013] In one feasible implementation, the aforementioned first total heat dissipation power and the aforementioned second total heat dissipation power are adjusted based on the individual heat dissipation power of the heat dissipation component:

[0014] The above methods also include:

[0015] When the pressure information of the cooking cavity is greater than or equal to the first preset pressure, the preset number of each heat dissipation component is controlled to cool the cooking cavity with the first single heat dissipation power.

[0016] When the pressure information of the cooking cavity is less than or equal to the second preset pressure, each heat dissipation component of a preset number is controlled to cool the cooking cavity with the second individual heat dissipation power, wherein the first individual heat dissipation power is greater than the second individual heat dissipation power.

[0017] In one feasible implementation, the aforementioned heat dissipation component includes a cooling fan.

[0018] The above methods also include:

[0019] When the pressure information of the cooking cavity is greater than or equal to the first preset pressure, the third number of the cooling fans are controlled to cool the cooking cavity.

[0020] When the pressure information of the cooking cavity is less than or equal to the second preset pressure, the fourth number of the cooling fans is controlled to cool the cooking cavity, wherein the third number is greater than the fourth number.

[0021] In one feasible implementation, the aforementioned heat dissipation component includes a cooling fan.

[0022] The above methods also include:

[0023] When the pressure information of the cooking cavity is greater than or equal to the first preset pressure, the preset number of the cooling fans are controlled to cool the cooking cavity at the first speed.

[0024] When the pressure information of the cooking cavity is less than or equal to the second preset pressure, the preset number of the cooling fans are controlled to cool the cooking cavity at a second speed, wherein the first speed is greater than the second speed.

[0025] In one feasible implementation, the aforementioned heat dissipation assembly includes a liquid cooling device.

[0026] The above methods also include:

[0027] When the pressure information of the cooking cavity is greater than or equal to the first preset pressure, the liquid cooling device is controlled to cool the cooking cavity at the first refrigerant temperature.

[0028] When the pressure information of the cooking chamber is less than or equal to the second preset pressure, the liquid cooling device is controlled to cool the cooking chamber at the second refrigerant temperature, wherein the first refrigerant temperature is lower than the second refrigerant temperature.

[0029] In one feasible implementation, the aforementioned heat dissipation assembly includes a liquid cooling device.

[0030] The above methods also include:

[0031] When the pressure information of the cooking chamber is greater than or equal to the first preset pressure, the liquid cooling device is controlled to cool the cooking chamber at a first circulation speed.

[0032] When the pressure information of the cooking chamber is less than or equal to the second preset pressure, the liquid cooling device is controlled to cool the cooking chamber at a second circulation speed, wherein the first circulation speed is higher than the second circulation speed.

[0033] Secondly, this disclosure also provides a control device for a pressure cooking appliance, comprising: an acquisition unit for acquiring pressure information of the cooking chamber of the pressure cooking appliance; a first control unit for controlling a heat dissipation component to cool the cooking chamber with a first total heat dissipation power when the cooking chamber pressure information is greater than or equal to a first preset pressure, so as to reduce the cooking chamber pressure information to a second preset pressure; and a second control unit for controlling the heat dissipation component to cool the cooking chamber with a second total heat dissipation power when the cooking chamber pressure information is less than or equal to the second preset pressure, and generating a pressure relief valve pressure relief command, wherein the first preset pressure is greater than the second preset pressure, and the first total heat dissipation power is greater than the second total heat dissipation power.

[0034] In some implementations, the first total heat dissipation power and the second total heat dissipation power are adjusted based on any one or more of the following items:

[0035] The number of activated heat dissipation components;

[0036] The heat dissipation power of a single heat dissipation component;

[0037] Rotation speed of the heat dissipation components;

[0038] The refrigerant temperature of the heat dissipation components;

[0039] The circulation speed of the heat dissipation components.

[0040] Thirdly, embodiments of this disclosure also provide a cooking control device, including: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program stored in the memory to implement the steps of the pressure cooking appliance control method as described in any of the first aspects above.

[0041] Fourthly, embodiments of this disclosure also provide a computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the control method for a pressure cooking appliance according to any one of the first aspects.

[0042] Fifthly, this disclosure also provides a pressure cooking appliance, comprising: a housing portion having a first air duct and a second air duct; a pot body portion disposed within the housing portion, a third air duct forming between the pot body portion and the housing portion, at least a portion of the third air duct surrounding the periphery of the pot body portion, and both the first air duct and the second air duct being connected to the third air duct; the heat dissipation assembly further comprising an air supply portion disposed at the first air duct; wherein, along the circumference of the pot body portion, at least one second air duct is respectively provided on both sides of at least one of the first air ducts; and a control device for acquiring cooking chamber pressure information of the pressure cooking appliance, and, when the cooking chamber pressure information is greater than or equal to a first preset pressure, controlling the heat dissipation assembly to cool the cooking chamber with a first total heat dissipation power to reduce the cooking chamber pressure information to a second preset pressure; and, when the cooking chamber pressure information is less than or equal to the second preset pressure, controlling the heat dissipation assembly to cool the cooking chamber with a second total heat dissipation power and generating a pressure relief valve pressure relief command, wherein the first preset pressure is greater than the second preset pressure, and the first total heat dissipation power is greater than the second total heat dissipation power. In one feasible implementation, along the circumference of the pot body portion, the shell portion is provided with at least two of the first air ducts spaced apart, and each of the first air ducts is provided with an air supply portion.

[0043] In one feasible implementation, at least one second air duct is provided between two adjacent first air ducts along the circumference of the pot body.

[0044] In one feasible implementation, along the circumference of the aforementioned pot body portion, the interval angle between adjacent first air ducts and second air ducts is greater than or equal to 10° and less than or equal to 160°.

[0045] In one feasible implementation, the housing portion includes:

[0046] The first housing is a groove-shaped structure, the first air duct includes a first ventilation hole opened in the first housing, and the second air duct includes a second ventilation hole opened in the first housing.

[0047] The second housing is disposed inside the first housing. The second housing has a groove-shaped structure. The first air duct also includes a third ventilation hole opened in the second housing. The second air duct also includes a fourth ventilation hole opened in the second housing.

[0048] The pot body is disposed within the second housing, and the air supply unit is disposed between the first housing and the second housing and is arranged corresponding to the third ventilation hole.

[0049] In one feasible implementation, at least one of the third ventilation hole and the fourth ventilation hole is formed on the peripheral wall of the second housing; and / or

[0050] At least one of the aforementioned first ventilation hole and the aforementioned second ventilation hole is formed on the peripheral wall of the aforementioned first housing; and / or

[0051] At least one of the aforementioned first ventilation hole and the aforementioned second ventilation hole is formed on the bottom wall of the aforementioned first housing.

[0052] In one feasible implementation, the first ventilation hole and the third ventilation hole of the same first air duct have the same conduction direction; and / or

[0053] The second and fourth ventilation holes of the same second air duct have the same direction of conduction.

[0054] In one feasible implementation, each of the aforementioned first air ducts includes a plurality of the aforementioned first ventilation holes and a plurality of the aforementioned third ventilation holes, wherein the plurality of the aforementioned first ventilation holes and the plurality of the aforementioned third ventilation holes are arranged in an array, and the air inlet or air outlet of the aforementioned air supply unit covers the plurality of the aforementioned third ventilation holes; and / or

[0055] Each of the aforementioned second air ducts includes multiple of the aforementioned second ventilation holes and multiple of the aforementioned fourth ventilation holes, and the multiple of the aforementioned second ventilation holes and multiple of the aforementioned fourth ventilation holes are arranged in an array.

[0056] In one feasible implementation, it further includes:

[0057] A panel is disposed on the peripheral wall of the aforementioned first housing;

[0058] Along the circumference of the pot body, the first air duct and the second air duct are arranged at intervals from the panel.

[0059] In one feasible implementation, the aforementioned air supply unit includes:

[0060] A flow guiding structure is provided in the aforementioned housing portion, the flow guiding structure having a flow guiding channel, the flow guiding channel being connected to the aforementioned third ventilation hole;

[0061] A fan is installed in the aforementioned airflow guiding structure, and the aforementioned airflow guiding channel is located between the aforementioned fan and the aforementioned third ventilation hole.

[0062] In one feasible implementation, the aforementioned first total heat dissipation power and the aforementioned second total heat dissipation power are adjusted based on any one or more of the following items:

[0063] The number of activated heat dissipation components;

[0064] The heat dissipation power of a single heat dissipation component;

[0065] Rotation speed of the heat dissipation components.

[0066] In summary, the control method for a pressure cooking appliance disclosed herein reduces pressure by using a high-power heat dissipation component to rapidly cool down during the high-pressure stage, thereby avoiding the noise generated by directly releasing high-pressure gas through the pressure relief valve and improving the user experience. When the pressure information of the cooking chamber is less than or equal to a second preset pressure, a lower heat dissipation power is used to continue cooling and a pressure relief valve release command is generated. This strategy not only ensures the safety of the cooking process but also provides users with a more comfortable and quiet cooking environment. This application provides a safer, smarter, and quieter pressure cooking solution, significantly improving the safety of the cooking process and the user experience.

[0067] Other advantages, objectives and features of this disclosure will be apparent in part from the description which follows, and in part from what those skilled in the art will understand through study and practice of this disclosure. Attached Figure Description

[0068] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit this specification. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0069] Figure 1 is a schematic flowchart of a control method for a pressure cooking appliance according to some embodiments of the present disclosure;

[0070] Figure 2 is a structural schematic diagram of a pressure cooking appliance control device according to some embodiments of the present disclosure;

[0071] Figure 3 is a structural schematic diagram of a cooking control device according to some embodiments of the present disclosure;

[0072] Figure 4 is a schematic diagram of the structure of a pressure cooking appliance according to some embodiments of the present disclosure;

[0073] Figure 5 is a schematic structural diagram of a pressure cooking appliance according to some embodiments of the present disclosure;

[0074] Figure 6 is a schematic enlarged view of a portion of region A in Figure 5;

[0075] Figure 7 is a schematic cross-sectional view of the pressure cooking appliance shown in Figure 5 along the BB direction;

[0076] Figure 8 is a schematic diagram of the pressure cooking appliance shown in Figure 5;

[0077] Figure 9 is a schematic connection structure diagram of the housing and the air supply unit according to some embodiments of the present disclosure;

[0078] Figure 10 is a schematic connection structure diagram of the second housing and the air supply unit from a first perspective according to some embodiments of the present disclosure;

[0079] Figure 11 is a schematic connection structure diagram of the second housing and the air supply unit from a second perspective according to some embodiments of the present disclosure;

[0080] Figure 12 is a schematic structural diagram of a pressure cooking appliance according to other embodiments of the present disclosure;

[0081] Figure 13 shows a schematic diagram of the pressure cooking appliance shown in Figure 12;

[0082] Figure 14 is a schematic diagram of a pressure cooking appliance according to some embodiments of the present disclosure;

[0083] Figure 15 is a schematic diagram of a pressure cooking appliance according to some embodiments of the present disclosure.

[0084] The correspondence between the reference numerals and component names in the attached drawings is as follows:

[0085] 20. Control device for a pressure cooking appliance; 201. Acquisition unit; 202. First control unit; 203. Second control unit;

[0086] 30. Cooking control equipment; 310. Memory; 311. Computer program; 320. Processor;

[0087] 40. Pressure cooking appliances;

[0088] 100. Shell section; 200. Pot body section; 300. Air supply section; 400. Panel; 500. Heating section; 600. Control device; 3000. Heat dissipation assembly;

[0089] 110. First shell; 120. Second shell;

[0090] 310. Airflow guiding structure; 320. Fan;

[0091] 101. First air duct; 102. Second air duct; 103. Third air duct;

[0092] 301. Diversion channel;

[0093] 1011, First ventilation hole; 1013, Third ventilation hole;

[0094] 1021, Second ventilation hole; 1023, Fourth ventilation hole. Detailed Implementation

[0095] The terms "first," "second," "third," "fourth," etc. (if present) in this disclosure, claims, and accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments described herein can be implemented in a sequence other than that illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus. The technical solutions of the embodiments of this disclosure will now be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this disclosure, and not all of them.

[0096] Figure 1 is a schematic flowchart of a control method for a pressure cooking appliance according to some embodiments of the present disclosure. As shown in Figure 1, a control method for a pressure cooking appliance according to some embodiments of the present disclosure may include steps S110-S130.

[0097] In step S110, the pressure information of the cooking chamber of the pressure cooking appliance is obtained.

[0098] In some embodiments, the pressure within the cooking cavity is monitored in real time. Real-time pressure information within the cooking cavity can be obtained using pressure sensors installed within the pressure cooking appliance. These pressure sensors may include mechanical pressure sensors, electronic pressure sensors, piezoelectric sensors, etc. The pressure sensors are used to measure and record the pressure inside the cavity during cooking. This cooking pressure data is transmitted to the control unit for further processing and decision-making.

[0099] In step S120, when the pressure information of the cooking cavity is greater than or equal to the first preset pressure, the heat dissipation component 3000 is controlled to cool the cooking cavity with the first total heat dissipation power so that the pressure information of the cooking cavity is reduced to the second preset pressure.

[0100] In some embodiments, the first preset pressure is the pressure value corresponding to the completion of pressure cooking. When the pressure information in the cooking chamber of the pressure cooker is greater than or equal to the first preset pressure, a pressure reduction operation is required in the cooking chamber according to the normal cooking process of the pressure cooker. Related pressure cookers are often equipped with valve components such as pressure relief valves or exhaust valves that connect to the cooking space to release pressure within the cooking space. However, in practical applications, it has been found that these valve components typically produce relatively loud noise during pressure release, not only causing noise pollution to the cooking environment but also easily leading to feelings of insecurity for users, thus affecting the user experience of the product.

[0101] The pressure reduction method employed in this disclosure involves using a heat dissipation component 3000 to rapidly cool the cooking cavity using a first total heat dissipation power during the first stage, when the pressure information in the cooking cavity is greater than or equal to a first preset pressure. This reduces the pressure in the cooking cavity. The pressure cooking appliance control method employed in this disclosure cools the cooking cavity using a higher first total heat dissipation power through the heat dissipation component 3000 during the higher pressure stage. This, to a certain extent, avoids the significant noise associated with pressure relief valves used in related technologies at higher pressures, and also reduces the potential risks caused by high-pressure gas pressure relief.

[0102] In step S130, when the pressure information of the cooking cavity is less than or equal to the second preset pressure, the heat dissipation component 3000 is controlled to cool the cooking cavity with the second total heat dissipation power, and a pressure relief valve release command is generated. The first preset pressure is greater than the second preset pressure. The first total heat dissipation power is greater than the second total heat dissipation power.

[0103] In some embodiments, during the second stage, if the pressure drops to or below a second preset pressure, the heat dissipation component 3000 is adjusted to a second total heat dissipation power. This second total heat dissipation power is lower than the first total heat dissipation power, and the system generates a pressure relief valve command to allow for pressure relief. After the pressure drops to or below the second preset pressure, the pressure inside the cooking chamber is low, and a smaller second total heat dissipation power is used for cooling, while the pressure relief valve is opened for pressure relief. Because the pressure relief operation is performed at a lower pressure, noise can be effectively reduced, and combined with the cooling operation at a lower power, the pressure vessel can be quickly depressurized, thereby meeting the conditions for opening the lid and completing the entire cooking process.

[0104] Understandably, taking a pressure cooker with a working pressure of 70 kPa as an example, the first preset pressure x1 can be set to 70 kPa. If the working pressure of the pressure cooker is 60 kPa, then the first preset pressure x1 can be set to 60 kPa. The second preset pressure x2 represents the switching pressure for the heat dissipation component 3000 to switch operating states during the pressure release process. Generally, x2 ≤ 0.6x1. Taking a pressure cooker with a working pressure of 70 kPa as an example, if x1 = 70 kPa, then x2 ≤ 42 kPa (0.6x1). Taking a pressure cooker with a working pressure of 60 kPa as an example, if x1 = 60 kPa, then x2 ≤ 36 kPa (0.6x1), and so on. The third preset pressure x3 can be set to 0–4 kPa to ensure safety when opening the lid.

[0105] It is understandable that the first preset pressure x1 can be set in other ways. For example, the first preset pressure x1 can be set to the working pressure of the pressure cooker minus n, where n is a preset fixed value. Taking n as 2 kPa as an example, if the pressure cooker has a working pressure of 70 kPa, the first preset pressure x1 can be set to 68 kPa; if the pressure cooker has a working pressure of 60 kPa, then the first preset pressure x1 can be set to 58 kPa.

[0106] It should be noted that different pressure cooking appliances can employ different pressure relief valve control methods, such as manual pressure relief and electric pressure relief. When the pressure information in the cooking chamber is lower than the second preset pressure, a pressure relief valve release command is generated. If the pressure relief valve is electric, the pressure relief valve release command can be directly sent to the electric pressure relief valve, thereby automatically completing the pressure relief valve opening operation. If the pressure relief valve is manual, the pressure relief valve command can be sent to the display unit, and / or, the prompting unit, and / or the smart device associated with the pressure cooking appliance, thereby prompting the user to perform a manual pressure relief operation.

[0107] In summary, this disclosure provides a control method for a pressure cooking appliance. Traditional pressure cooking appliances often release pressure through a pressure relief valve or exhaust valve, a process accompanied by significant noise that negatively impacts the user experience. This disclosure reduces pressure during the high-pressure phase by using a high-power heat dissipation component 3000 for rapid cooling, thus avoiding the noise generated by directly releasing high-pressure gas through a pressure relief valve and improving the user experience. When the pressure drops below a second preset pressure, lower heat dissipation power is used to continue cooling and generate a pressure relief valve release command. This strategy not only ensures the safety of the cooking process but also provides a more comfortable and quiet cooking environment for the user. Compared to related technologies, this disclosure offers a safer, smarter, and quieter pressure cooking solution, significantly improving the safety of the cooking process and the user experience.

[0108] In some examples, the above method also includes:

[0109] If the pressure information in the cooking chamber is less than the third preset pressure, an open lid command is generated. The third preset pressure is less than the second preset pressure.

[0110] In some embodiments, by monitoring the real-time pressure inside the cooking cavity, the heat dissipation component 3000 is activated to cool down the temperature with a higher first total heat dissipation power when the pressure is greater than or equal to the first preset pressure. This can quickly reduce the pressure inside the cooking cavity to the second preset pressure, thereby reducing the safety risks caused by excessive pressure.

[0111] When the pressure inside the cooking cavity is less than or equal to the second preset pressure, the system will reduce the heat dissipation power of the heat dissipation component 3000 to the second total heat dissipation power and issue a pressure relief valve command to further reduce pressure in a more delicate and quiet manner, thereby improving the user experience, reducing noise pollution, and protecting user safety.

[0112] An open-lid command is generated when the pressure is below a third preset pressure. The third preset pressure is set lower than the second preset pressure. The system will only prompt or allow the user to open the lid when the pressure inside the cooking chamber drops to a very safe level. This ensures that when the user opens the lid of the pressure cooker, the pressure inside the cooking chamber is low enough to prevent hot steam or food from splashing out due to sudden pressure release, thus ensuring safe use.

[0113] This disclosure provides a safer, more efficient, and user-friendly method for controlling pressure cooking appliances by employing different cooling strategies and pressure relief methods at different pressure stages, and by allowing the lid to be opened only when the pressure drops to an extremely safe level. This method not only effectively avoids safety issues caused by excessive pressure, but also ensures the cooking quality and taste of food while reducing noise pollution.

[0114] In some examples, the above method also includes:

[0115] If the pressure information of the cooking chamber is greater than or equal to the first preset pressure, the heating component is controlled to stop heating.

[0116] In some embodiments, the pressure cooker monitors the pressure inside the cooking chamber in real time using a built-in pressure sensor. When this pressure is greater than or equal to a first preset pressure, the system automatically sends a command to the heating element, instructing it to stop heating. The first preset pressure is designed according to the safety standards and cooking requirements of the pressure cooker, ensuring that food can be cooked quickly under high pressure while also guaranteeing that the pressure does not exceed the limits that the container can safely withstand.

[0117] In some examples, the first total heat dissipation power and the second total heat dissipation power are adjusted based on the number of heat dissipation components 3000 that are turned on.

[0118] The above methods also include:

[0119] When the pressure information of the cooking cavity is greater than or equal to the first preset pressure, the first number of heat dissipation components 3000 are controlled to cool the cooking cavity; and

[0120] When the pressure information of the cooking cavity is less than or equal to the second preset pressure, a second number of the heat dissipation components 3000 are controlled to cool the cooking cavity. The first number is greater than the second number.

[0121] In some embodiments, by dynamically adjusting the number of activated heat dissipation components 3000, the heat dissipation intensity can be adjusted according to the real-time pressure within the cooking cavity, thereby controlling the pressure and temperature during the cooking process. The heat dissipation component 3000 refers to the part of the pressure cooker responsible for dissipating heat. The heat dissipation component 3000 reduces the temperature and pressure within the cooking cavity by releasing heat from the cooking cavity to the outside. The heat dissipation component 3000 may include a cooling fan, heat sink, or other cooling devices.

[0122] When the pressure inside the cooking cavity is greater than or equal to a first preset pressure, the system controls a first number of heat dissipation components 3000 to operate, quickly reducing the pressure and temperature inside the cooking cavity. When the pressure inside the cooking cavity is less than or equal to a second preset pressure, the system controls a second number of heat dissipation components 3000 to operate. Because the second number is less than the first, the heat dissipation effect is weaker at this time. By adjusting the number of heat dissipation components 3000 activated based on real-time monitoring of the pressure inside the cooking cavity, the system can more precisely control the temperature and pressure inside the cooking cavity. Compared to continuously running all heat dissipation components 3000 at full capacity, this method of adjusting the number of heat dissipation components 3000 according to actual needs can also utilize energy more effectively and reduce energy consumption.

[0123] By adjusting the number of activated heat dissipation components 3000 under different pressure conditions, this solution provides a highly efficient, safe, and energy-saving temperature and pressure management strategy for pressure cookers. During the high-pressure phase, more heat dissipation components 3000 are used for rapid cooling to reduce pressure, thus avoiding the noise generated by directly releasing high-pressure gas through the pressure relief valve and improving the user experience. When the pressure is less than or equal to a second preset pressure, fewer heat dissipation components 3000 are used to continue cooling and generate a pressure relief valve command. This strategy not only ensures the safety of the cooking process but also provides users with a more comfortable and quiet cooking environment.

[0124] In some examples, the aforementioned first total heat dissipation power and the aforementioned second total heat dissipation power are adjusted based on the individual heat dissipation power of the heat dissipation component 3000:

[0125] The above methods also include:

[0126] When the pressure information of the cooking cavity is greater than or equal to the first preset pressure, each of the preset number of heat dissipation components 3000 is controlled to cool the cooking cavity with the first unit heat dissipation power; and

[0127] When the pressure information of the cooking cavity is less than or equal to the second preset pressure, each heat dissipation component 3000 of a preset number is controlled to cool the cooking cavity with the second unit heat dissipation power, wherein the first unit heat dissipation power is greater than the second unit heat dissipation power.

[0128] In some embodiments, when the pressure inside the cooking cavity is greater than or equal to a first preset pressure, a preset number of heat dissipation components 3000 are activated, and these components are controlled to operate at a first individual heat dissipation power. The first individual heat dissipation power is high, and each heat dissipation component 3000 will release more heat to quickly reduce the temperature and pressure inside the cooking cavity.

[0129] When the pressure inside the cooking cavity is less than or equal to the second preset pressure, the same preset number of heat dissipation components 3000 will operate at the second individual heat dissipation power. Since the second individual heat dissipation power is lower than the first individual heat dissipation power, each component will release less heat.

[0130] By adjusting the individual heat dissipation power of the heat dissipation component 3000 under different pressure conditions, a highly efficient, safe, and energy-saving temperature and pressure management strategy is provided for the pressure cooker. During the high-pressure phase, a higher individual heat dissipation power is used to rapidly reduce pressure, thus avoiding the noise generated by directly releasing high-pressure gas through the pressure relief valve and improving the user experience. When the pressure inside the cooking chamber is less than or equal to a second preset pressure, a lower individual heat dissipation power is used to continue cooling and generate a pressure relief valve release command. This combination of cooling and pressure relief valve release effectively reduces noise and improves cooking safety.

[0131] In some examples, the aforementioned heat dissipation component 3000 includes a cooling fan.

[0132] The above methods also include:

[0133] When the pressure information of the cooking cavity is greater than or equal to the first preset pressure, the third number of the cooling fans are controlled to cool the cooking cavity.

[0134] When the pressure information of the cooking chamber is less than or equal to the second preset pressure, a fourth number of the aforementioned cooling fans are controlled to cool the cooking chamber. The third number is greater than the fourth number.

[0135] In some embodiments, a cooling fan is a common heat dissipation device that blows air by rotating rapidly, forcing air convection to accelerate heat transfer, thereby effectively reducing the temperature of the device.

[0136] When the pressure inside the cooking cavity is greater than or equal to the first preset pressure, a third number of cooling fans are activated to rapidly cool the cooking cavity. This third number refers to the number of cooling fans activated to cope with high pressure. This third number will be set relatively high based on actual needs to ensure a rapid reduction in temperature and pressure within the cooking cavity.

[0137] When the pressure inside the cooking chamber is less than or equal to the second preset pressure, the system adjusts to control a fourth number of cooling fans to provide gentle cooling. This fourth number is less than the third number used under high pressure. This is because at this stage, the pressure inside the cooking chamber is already low, and more intense cooling is not required.

[0138] Figures 5 and 7 illustrate a pressure cooking appliance according to some embodiments of the present disclosure, including: a housing portion 100 having a first air duct 101 and a second air duct 102; a pot body portion 200 disposed within the housing portion 100, a third air duct forming between the pot body portion 200 and the housing portion 100, at least a portion of the third air duct surrounding the periphery of the pot body portion, and both the first and second air ducts communicating with the third air duct; and an air supply portion 300 disposed at the first air duct. Along the circumference of the pot body portion 200, at least one second air duct is provided on each side of at least one first air duct.

[0139] The pressure cooking appliance provided in this embodiment includes a housing portion 100, a pot body portion 200, and an air supply portion 300. The air supply portion 300 may include multiple cooling fans. The housing portion 100 has a first air duct 101 and a second air duct 102, and the number of second air ducts 102 is at least two. The pot body portion 200 is disposed inside the housing portion 100, and a third air duct 103 is formed between the pot body portion 200 and the housing portion 100, communicating with the first air duct 101 and the second air duct 102. At least a portion of the third air duct 103 is located on the periphery of the pot body portion 200. Along the circumference of the pot body portion 200, at least one second air duct 102 is provided on both sides of at least one first air duct 101. The air supply portion 300 is disposed in the housing portion 100 and located at the first air duct 101. Based on the above configuration, the pressure cooking appliance provided in this embodiment can utilize the aforementioned air ducts to provide space for gas flow. In practical applications, after cooking, the pressure cooker uses a cooling fan in the air supply unit 300 to power the gas flow through the aforementioned air ducts. As the gas flows along the third air duct, it exchanges heat with the pot body 200, improving the pot body 200's heat dissipation efficiency. This allows the pressure cooker to lower the internal pressure of the pot body 200 by reducing its temperature. This helps reduce noise generated during pressure release, lessens the user's safety burden, and improves the user experience.

[0140] By adjusting the number of cooling fans, the heat dissipation intensity can be flexibly controlled based on real-time pressure information within the cooking cavity. Activating more fans when the pressure is too high can quickly reduce the pressure and temperature within the cooking cavity, thus avoiding the noise and safety hazards associated with pressure relief valves used during high-pressure phases in related technologies. Reducing the number of cooling fans when the pressure is below a second preset pressure can reduce unnecessary energy consumption, achieving a more economical and environmentally friendly operation. Dynamically adjusting the number of cooling fans minimizes noise and power consumption while ensuring safety, providing a more comfortable cooking environment.

[0141] In some examples, the aforementioned heat dissipation component 3000 includes a cooling fan.

[0142] The above methods also include:

[0143] When the pressure information of the cooking cavity is greater than or equal to the first preset pressure, the preset number of cooling fans are controlled to cool the cooking cavity at a first rotation speed; and

[0144] When the pressure information of the cooking chamber is less than or equal to the second preset pressure, a preset number of the cooling fans are controlled to cool the cooking chamber at a second rotation speed. The first rotation speed is greater than the second rotation speed.

[0145] In some embodiments, when the pressure inside the cooking cavity exceeds or equals a first preset pressure, a preset number of cooling fans are controlled to operate at a first rotational speed. This first rotational speed is set relatively high to rapidly increase airflow, accelerate heat dissipation from the cooking cavity, and thus quickly reduce temperature and pressure. When the pressure inside the cooking cavity is less than or equal to a second preset pressure, the same number of cooling fans will operate at a second rotational speed. Because the second rotational speed is lower than the first rotational speed, the heat dissipation intensity is relatively weaker.

[0146] By adjusting the speed of the cooling fan, temperature and pressure can be precisely controlled according to the actual pressure inside the cooking cavity, achieving a more accurate and stable cooking environment. When the pressure is too high, high-speed rapid cooling can quickly reduce the pressure and temperature inside the cooking cavity, thus avoiding the noise and safety hazards associated with pressure relief valves used during high-pressure stages in related technologies. Reducing the cooling fan speed when the pressure inside the cooking cavity is less than or equal to a second preset pressure can reduce unnecessary energy consumption, achieving a more economical and environmentally friendly operation. By dynamically adjusting the cooling fan speed, noise and power consumption can be minimized while ensuring safety, providing a more comfortable cooking environment.

[0147] In some examples, the aforementioned heat dissipation assembly 3000 includes a liquid cooling device.

[0148] The above methods also include:

[0149] When the pressure information of the cooking cavity is greater than or equal to the first preset pressure, the liquid cooling device is controlled to cool the cooking cavity at the first refrigerant temperature; and

[0150] When the pressure information of the cooking chamber is less than or equal to the second preset pressure, the liquid cooling device is controlled to cool the cooking chamber at the second refrigerant temperature. The first refrigerant temperature is lower than the second refrigerant temperature.

[0151] In some embodiments, the liquid cooling device typically circulates liquid refrigerant through a cooling system surrounding the cooking cavity to transfer heat, thereby achieving cooling. Liquid cooling can provide more efficient and faster heat transfer.

[0152] When the pressure inside the cooking chamber is detected to be greater than or equal to a first preset pressure value, the liquid cooling device is adjusted to operate at a lower temperature. This lower initial refrigerant temperature accelerates the dissipation of heat inside the cooking chamber, thereby rapidly reducing the pressure.

[0153] When the pressure inside the cooking chamber is less than or equal to the second preset pressure, the liquid cooling device is adjusted to operate at the second refrigerant temperature. Because this temperature is higher than the first refrigerant temperature, its cooling rate is relatively slow.

[0154] By adjusting the refrigerant temperature to control the cooling rate, the temperature and pressure of the cooking chamber can be precisely controlled according to cooking needs. When the pressure is too high, using a lower refrigerant temperature for rapid heat dissipation can quickly reduce the pressure and temperature within the cooking chamber, thus avoiding the noise and safety hazards associated with pressure relief valves used during high-pressure stages in related technologies. Appropriately increasing the refrigerant temperature when the pressure is less than or equal to a second preset pressure can reduce unnecessary energy consumption, achieving a more economical and environmentally friendly operation. By dynamically adjusting the refrigerant temperature, noise and power consumption can be minimized while ensuring safety, providing a more comfortable cooking environment.

[0155] In some examples, the aforementioned heat dissipation assembly 3000 includes a liquid cooling device.

[0156] The above methods also include:

[0157] When the pressure information of the cooking chamber is greater than or equal to the first preset pressure, the liquid cooling device is controlled to cool the cooking chamber at a first circulation speed; and

[0158] When the pressure information in the cooking chamber is less than or equal to the second preset pressure, the liquid cooling device is controlled to cool the cooking chamber at a second circulation speed. The first circulation speed is higher than the second circulation speed.

[0159] In some embodiments, when the pressure inside the cooking cavity is greater than or equal to a first preset pressure, the circulation speed of the liquid cooling device is increased to a first circulation speed. This high-speed circulation can accelerate the removal of heat, thereby rapidly reducing the temperature and pressure inside the cooking cavity.

[0160] When the pressure inside the cooking chamber drops to less than or equal to a second preset pressure threshold, the system will reduce the circulation speed of the liquid cooling device to a second circulation speed. This lower circulation speed will more gently lower the temperature of the cooking chamber and, in conjunction with opening the pressure relief valve, depressurize the chamber and reduce its pressure.

[0161] By adjusting the refrigerant circulation speed to control the cooling rate, the temperature and pressure of the cooking cavity can be precisely controlled according to cooking needs. When the pressure is too high, a faster refrigerant circulation speed can quickly dissipate heat, rapidly reducing the pressure and temperature within the cooking cavity, thus avoiding the noise and safety hazards associated with pressure relief valves used in high-pressure stages in related technologies. Appropriately reducing the refrigerant circulation speed when the pressure is less than or equal to a second preset pressure can reduce unnecessary energy consumption, achieving a more economical and environmentally friendly operation. By dynamically adjusting the refrigerant temperature, noise and power consumption can be minimized while ensuring safety, providing a more comfortable cooking environment.

[0162] Figure 2 is a structural schematic diagram of a pressure cooking appliance control device according to some embodiments of the present disclosure. As shown in Figure 2, the control device 20 of a pressure cooking appliance provided in the embodiments of the present disclosure may include an acquisition unit 201, a first control unit 202, and a first control unit 202.

[0163] Acquisition unit 201 is used to acquire pressure information of the cooking chamber of a pressure cooking appliance.

[0164] In some embodiments, unit 201 acquires real-time pressure information of the cooking cavity of the pressure cooking appliance. Real-time pressure information within the cooking cavity can be acquired using a pressure sensor installed within the pressure cooking appliance. The pressure sensor may include a mechanical pressure sensor, an electronic pressure sensor, a piezoelectric sensor, etc. The pressure sensor is used to measure and record the pressure inside the cavity during cooking. This cooking pressure information data is transmitted to the control unit for further processing and decision-making.

[0165] The first control unit 202 is used to control the heat dissipation component 3000 to cool the cooking cavity with a first total heat dissipation power when the pressure information of the cooking cavity is greater than or equal to the first preset pressure.

[0166] In some embodiments, the first preset pressure is the pressure value corresponding to the completion of pressure cooking. When the pressure information in the cooking chamber of the pressure cooker is greater than or equal to the first preset pressure, the first control unit 202 performs a pressure reduction operation within the cooking chamber according to the normal cooking process of the pressure cooker. Related pressure cookers are often equipped with valve components such as pressure relief valves or exhaust valves that connect to the cooking space to release pressure within the cooking space. However, in practical applications, it has been found that the aforementioned valve components in related technologies typically produce relatively loud noise during pressure release, not only causing noise pollution to the cooking environment but also easily leading to feelings of insecurity for users, thus affecting the user experience of the product.

[0167] The pressure reduction method employed in this disclosure involves using a heat dissipation component 3000 to rapidly cool the cooking cavity using a first total heat dissipation power during the first stage, when the pressure information in the cooking cavity is greater than or equal to a first preset pressure. This reduces the pressure in the cooking cavity. The pressure cooking appliance control method employed in this disclosure cools the cooking cavity using a higher first total heat dissipation power through the heat dissipation component 3000 during the higher pressure stage. This, to a certain extent, avoids the significant noise associated with pressure relief valves used in related technologies at higher pressures, and also reduces the potential risks caused by high-pressure gas pressure relief.

[0168] The first control unit 202 is configured to control the heat dissipation assembly 3000 to cool the cooking cavity with a second total heat dissipation power when the pressure information of the cooking cavity is less than or equal to a second preset pressure, and to generate a pressure relief valve command to release pressure. The first preset pressure is greater than the second preset pressure. The first total heat dissipation power is greater than the second total heat dissipation power.

[0169] In some embodiments, during the second stage, if the pressure drops to or below a second preset pressure, the heat dissipation component 3000 is adjusted to a second total heat dissipation power. This second total heat dissipation power is lower than the first total heat dissipation power. The system generates a pressure relief valve command, allowing for pressure relief. After the pressure drops to or below the second preset pressure, the pressure inside the cooking chamber is low. A lower second total heat dissipation power is used for cooling, and the pressure relief valve is opened for pressure relief. Because the pressure relief operation is performed at a lower pressure, noise can be effectively reduced. Combined with cooling at a lower power, the pressure vessel can be quickly depressurized, thus meeting the conditions for opening the lid and completing the entire cooking process.

[0170] Understandably, taking a pressure cooker with a working pressure of 70 kPa as an example, the first preset pressure x1 can be set to 70 kPa. If the working pressure of the pressure cooker is 60 kPa, then the first preset pressure x1 can be set to 60 kPa. The second preset pressure x2 represents the switching pressure for the heat dissipation component 3000 to switch operating states during the pressure release process. Generally, x2 ≤ 0.6x1. Taking a pressure cooker with a working pressure of 70 kPa as an example, if x1 = 70 kPa, then x2 ≤ 42 kPa (0.6x1). Taking a pressure cooker with a working pressure of 60 kPa as an example, if x1 = 60 kPa, then x2 ≤ 36 kPa (0.6x1), and so on. The third preset pressure x3 can be set to 0-4 kPa to ensure safety when opening the lid.

[0171] It is understandable that the first preset pressure x1 can be set in other ways. For example, the first preset pressure x1 can be set to the working pressure of the pressure cooker minus n, where n is a preset fixed value. Taking n as 2 kPa as an example, if the pressure cooker has a working pressure of 70 kPa, the first preset pressure x1 can be set to 68 kPa. If the working pressure of the pressure cooker is 60 kPa, then the first preset pressure x1 can be set to 58 kPa.

[0172] It should be noted that different pressure cooking appliances can employ different pressure relief valve control methods, such as manual pressure relief and electric pressure relief. When the pressure information in the cooking chamber is lower than the second preset pressure, a pressure relief valve release command is generated. If the pressure relief valve is electric, the pressure relief valve release command can be directly sent to the electric pressure relief valve, thereby automatically completing the pressure relief valve opening operation. If the pressure relief valve is manual, the pressure relief valve command can be sent to the display unit, and / or, the prompting unit, and / or the smart device associated with the pressure cooking appliance, thereby prompting the user to perform a manual pressure relief operation.

[0173] In summary, traditional pressure cooking appliances typically release pressure via a pressure relief valve or exhaust valve, a process accompanied by significant noise that negatively impacts the user experience. This disclosure provides a control device for a pressure cooking appliance that uses a high-power heat dissipation component 3000 to rapidly reduce pressure during the high-pressure phase, thus avoiding the noise generated by directly releasing high-pressure gas through a pressure relief valve and improving the user experience. When the pressure drops below a second preset pressure, lower heat dissipation power is used to continue cooling and generate a pressure relief valve release command. This strategy not only ensures the safety of the cooking process but also provides a more comfortable and quieter cooking environment for the user. Compared to related technologies, this disclosure offers a safer, smarter, and quieter pressure cooking solution, significantly improving the safety of the cooking process and the user experience.

[0174] In one feasible implementation, the aforementioned first total heat dissipation power and the aforementioned second total heat dissipation power are adjusted based on any one or more of the following items:

[0175] The number of activated heat dissipation components (3000);

[0176] The heat dissipation power of a single heat dissipation component (3000);

[0177] The heat dissipation component operates at a speed of 3000 RPM.

[0178] The refrigerant temperature of the 3000 heatsink assembly; and

[0179] The heat dissipation component has a cycle speed of 3000.

[0180] In some embodiments, the first total heat dissipation power and the second total heat dissipation power can be adjusted based on one or more of the following: the number of activated heat dissipation components, the heat dissipation power of a single heat dissipation component 3000, the rotational speed of the heat dissipation component 3000, the refrigerant temperature of the heat dissipation component 3000, and the circulation speed of the heat dissipation component 3000, so as to achieve flexible adjustment of heat dissipation power.

[0181] The total cooling power can be controlled by changing the number of activated heat dissipation components 3000. The cooling power increases when more components are operating. The individual power of each heat dissipation component 3000 can also be adjusted as needed. The cooling effect can also be controlled by changing the rotational speed of the heat dissipation component 3000 (e.g., the fan); higher speeds result in better cooling. The cooling effect can also be enhanced or reduced by adjusting the temperature of the cooling medium. Furthermore, the cooling effect can be controlled by changing the circulation speed of the cooling medium within the heat dissipation component 3000.

[0182] By automatically detecting and controlling the cooking chamber pressure, this method can rapidly cool down when the pressure is too high. Different heat dissipation powers are used depending on the pressure, enabling rapid cooling under high pressure and gradual pressure release under low pressure, avoiding damage caused by excessively rapid cooling. Multiple adjustment factors of the heat dissipation component 3000 allow for flexible control of the total heat dissipation power, adapting to different pressure conditions and cooking needs.

[0183] As shown in Figure 3, this embodiment of the present disclosure also provides a cooking control device 30, including a memory 310, a processor 320, and a computer program 311 stored in the memory 310 and executable on the processor. When the processor 320 executes the computer program 311, it implements the steps of any of the methods for controlling the pressure cooking appliance described above.

[0184] Since the cooking control device described in this embodiment is a device used to implement a cooking apparatus according to an embodiment of this disclosure, those skilled in the art can understand the specific implementation methods and various variations of the electronic device in this embodiment based on the methods described in this disclosure. Therefore, how the electronic device implements the methods in the embodiments of this disclosure will not be described in detail here. Any device used by those skilled in the art to implement the methods in the embodiments of this disclosure falls within the scope of protection intended by this disclosure.

[0185] During implementation, when the computer program 311 is executed by the processor, it can implement any of the embodiments corresponding to the first aspect.

[0186] As shown in Figures 4 to 15, this embodiment of the present disclosure also provides a pressure cooking appliance 400, including: a shell portion 100, having a first air duct 101 and a second air duct 102; a pot body portion 200, disposed within the shell portion 100, with a third air duct 103 formed between the pot body portion 200 and the shell portion 100, at least a portion of the third air duct 103 surrounding the periphery of the pot body portion 200, and both the first air duct 101 and the second air duct 102 communicating with the third air duct 103; and a heat dissipation assembly 3000, including an air supply portion 300 disposed at the first air duct 101. Along the circumference of the pot body portion 200, at least one second air duct 102 is respectively provided on both sides of at least one first air duct 101.

[0187] A control device 600 is used to acquire cooking chamber pressure information of a pressure cooking appliance. When the cooking chamber pressure information is greater than or equal to a first preset pressure, the control device 600 controls the heat dissipation assembly 3000 to cool the cooking chamber with a first total heat dissipation power, thereby reducing the cooking chamber pressure information to a second preset pressure. When the cooking chamber pressure information is less than or equal to the second preset pressure, the control device 600 controls the heat dissipation assembly 3000 to cool the cooking chamber with a second total heat dissipation power and generates a pressure relief valve release command. The first preset pressure is greater than the second preset pressure, and the first total heat dissipation power is greater than the second total heat dissipation power.

[0188] The pressure cooking appliance provided in this embodiment includes a housing portion 100, a pot body portion 200, an air supply portion 300, and a control device 600. The housing portion 100 has a first air duct 101 and a second air duct 102, and the number of second air ducts 102 is at least two. The pot body portion 200 is disposed inside the housing portion 100, and a third air duct 103 is formed between the pot body portion 200 and the housing portion 100, communicating with the first air duct 101 and the second air duct 102. At least a portion of the third air duct 103 is located around the periphery of the pot body portion 200. Along the circumference of the pot body portion 200, at least one second air duct 102 is provided on each side of at least one first air duct 101. The air supply portion 300 is disposed in the housing portion 100 and located at the first air duct 101. Based on the above configuration, the pressure cooking appliance provided in this embodiment can utilize the aforementioned air ducts to provide space for gas flow. In practical applications, after the pressure cooker has finished cooking the food, the air supply unit 300 provides power for the gas to flow through the aforementioned air ducts. When the gas flows along the aforementioned third air duct 103, it can exchange heat with the pot body 200, improve the heat dissipation efficiency of the pot body 200, and reduce the temperature of the pot body 200 and the food inside the pot body 200, so as to facilitate the user to take out the food after cooking and reduce the risk of burns when the user takes out the food.

[0189] The control device 600 employs a high-power heat dissipation component 3000 to rapidly reduce pressure during the high-pressure phase, thereby avoiding the noise generated by directly releasing high-pressure gas through the pressure relief valve and improving the user experience. When the pressure drops below the second preset pressure, a lower heat dissipation power is used to continue cooling and generate a pressure relief valve release command. This strategy not only ensures the safety of the cooking process but also provides users with a more comfortable and quiet cooking environment. Compared to existing technologies, this disclosure provides a safer, smarter, and quieter pressure cooking solution, significantly improving the safety of the cooking process and the user experience.

[0190] It is understood that, in practical applications, the pressure cooking appliance provided in this disclosure embodiment can be used as, but is not limited to, electric cookers, rice cookers, electric pressure cookers, and other pressure cooking appliances. Both the aforementioned shell portion 100 and the aforementioned pot body portion 200 can be groove-shaped structures, meaning both the shell portion 100 and the pot body portion 200 can be hollow internally and open at one end. The internal space of the pot body portion 200 can serve as a cooking space. The internal space of the shell portion 100 can serve as a accommodating space to accommodate the pot body portion 200. The positions of the aforementioned first air duct 101 and the aforementioned second air duct 102 on the pot body portion 200 can be set according to actual needs; that is, the aforementioned first air duct 101 can be opened on the peripheral wall or bottom wall of the pot body portion 200. The aforementioned second air duct 102 can also be opened on the bottom wall or peripheral wall of the pot body portion 200. The bottom wall of the aforementioned shell portion 100 is also the side opposite the open end of the shell portion 100. The peripheral wall of the aforementioned shell portion 100 is the portion between the opening and the bottom wall of the shell portion 100. The bottom wall of the pot body portion 200 is the side opposite the opening of the pot body portion 200. The peripheral wall of the pot body portion 200 is the portion between the opening and the bottom wall of the pot body portion 200. The periphery of the pot body portion 200 is the outer side of the peripheral wall of the pot body portion 200.

[0191] It should be noted that, taking the pressure cooking appliance provided in this embodiment as an example when used as an electric pressure cooker, the pressure cooking appliance can also reduce the internal pressure of the pot body 200 by lowering the temperature of the pot body 200. This helps to reduce the noise generated when the pressure cooking appliance releases pressure, reduce the safety burden on the user during operation, and improve the user experience of the product.

[0192] It should be noted that the first air duct 101 is provided on the bottom wall of the housing portion 100, meaning that one end of the first air duct 101, which connects to the third air duct 103, is located on the bottom wall of the housing portion 100. The other end of the first air duct 101 can be located on the bottom wall or the peripheral wall of the housing portion 100. Correspondingly, the second air duct 102 is provided on the peripheral wall of the housing portion 100, meaning that one end of the second air duct 102, which connects to the third air duct 103, is located on the peripheral wall of the housing portion 100. The other end of the second air duct 102 can be located on the bottom wall or the peripheral wall of the housing portion 100.

[0193] It is understood that both the first air duct 101 and the second air duct 102 are connected to the third air duct 103, meaning that the first air duct 101 is connected to the second air duct 102 via the third air duct 103. When the air supply unit 300 is operating, it can drive gas from the first air duct 101 to the third air duct 103 or from the third air duct 103 to the first air duct 101. Thus, one of the first air duct 101 and the second air duct 102 can serve as an inlet channel for gas from the external environment to flow into the housing 100. Correspondingly, the other of the first air duct 101 and the second air duct 102 can serve as an outlet channel for gas to flow out of the housing 100, and can be configured according to the air supply direction of the air supply unit 300. In some embodiments, as shown in FIG15, when the air supply unit 300 supplies air from the first air duct 101 to the third air duct 103, the air supply unit 300 can draw in gas from the external environment through the first air duct 101 during operation and deliver it into the aforementioned third air duct 103, thereby utilizing the low-temperature gas in the external environment to accelerate the heat dissipation of the pot body 200. After flowing through the third air duct 103, the gas can further flow to the external environment through the second air duct 102. In this case, the first air duct 101 can serve as the aforementioned inlet channel. The second air duct 102 can serve as the aforementioned outlet channel. In some embodiments, as shown in FIG14, when the air supply unit 300 supplies air from the third air duct 103 to the first air duct 101, the air supply unit 300 can draw in gas from the third air duct 103 during operation and discharge it from the shell part 100 through the first air duct 101, thereby increasing the gas flow rate around the pot body 200 and accelerating the heat dissipation of the pot body 200. Accordingly, gas from the external environment can enter the shell section 100 through the second air duct 102 and flow to the third air duct 103 to replenish the third air duct 103 with lower-temperature gas, ensuring the heat dissipation efficiency of the pot body section 200. In this case, the first air duct 101 can serve as the aforementioned inlet channel, and the second air duct 102 can serve as the aforementioned outlet channel. It should be noted that the dashed curves with arrows in Figures 14 and 15 are used to schematically represent the direction of gas flow.

[0194] It is understood that the aforementioned provision of at least one second air duct 102 on both sides of at least one first air duct 101 along the circumference of the pot body 200 refers to the fact that the number of first air ducts 101 can be one or more. When there is only one first air duct 101, at least one second air duct 102 is provided on both sides of the pot body 200 along the circumference of the first air duct 101. In some embodiments, when there are multiple first air ducts 101, at least one of the multiple first air ducts 101 has at least one second air duct 102 provided on both sides of the pot body 200 along the circumference of the first air duct 101. It is easy to understand that the positions of the second air ducts 102 corresponding to the same first air duct 101 along the circumference of the pot body 200 may differ.

[0195] It is understood that the pressure cooking appliance provided in this disclosure, by providing at least a portion of a third air duct 103 around the periphery of the pot body 200, and by providing at least one first air duct 101 with at least one second air duct 102 on each side along the circumference of the pot body 200, can, during the operation of the air supply unit 300, utilize the circumferential positional difference between the first air duct 101 and the second air duct 102 to promote gas flow around the periphery of the pot body 200 after entering the third air duct 103, reducing airflow resistance, improving the smoothness of airflow within the third air duct 103, and thus increasing the gas flow rate within each air duct. This increases the distribution range of air ducts inside the shell portion 100, which in turn increases the contact area between the airflow and the pot body 200, thereby improving the cooling and pressure reduction efficiency of the pot body 200.

[0196] It should be noted that some pressure cooking appliances in traditional technology are equipped with a fan. The shell of the pressure cooking appliance has an air inlet and an air outlet. Both the air inlet and the air outlet are connected to the annular gap between the inner pot and the outer pot of the pressure cooking appliance. The fan drives gas to flow into the annular gap through the air inlet and out through the air outlet. There is only one fan, one air inlet, and one air outlet. The air inlet and the air outlet are arranged at approximately 180° intervals along the circumference of the inner pot, so that the gas can be evenly divided into two streams after entering the annular gap through the air inlet. The two air streams flow towards the air outlet in clockwise and counterclockwise directions, respectively, along the circumference of the inner pot. However, in practical applications, it has been found that the above-mentioned traditional technology requires high positional accuracy for the air inlet and the air outlet. If the angle between the air inlet and outlet along the circumference of the inner pot deviates significantly from 180°, the resistance encountered by the two airflows during the flow process will be significantly different. This may even cause the gas to be difficult to split after entering the annular gap, reducing the contact area between the inner pot and the gas in the annular gap. This will increase the difference between different areas along the circumference of the inner pot and result in lower heat dissipation efficiency for the food.

[0197] Compared to the aforementioned conventional technologies, the pressure cooking appliance provided in this disclosure, based on the aforementioned configuration, allows at least one first air duct 101 to have corresponding second air ducts 102 on both sides of the pot body 200 circumferentially. When the first air duct 101 serves as the aforementioned inlet channel, it ensures that gas entering the third air duct 103 is diverted. In some embodiments, when the second air duct 102 serves as the aforementioned inlet channel, it ensures that gas from the external environment enters the third air duct 103 at different locations circumferentially around the pot body 200 and converges back to the first air duct 101, thereby ensuring the contact area between the pot body 200 and the gas within the third air duct 103 and reducing the temperature difference circumferentially around the pot body 200. This increases the conduction area between the third air duct 103 and the external environment, improving the gas flow efficiency between the third air duct 103 and the external environment. This further improves the heat dissipation efficiency for the pot body 200 and the food within it. It can reduce the positional accuracy requirements of the first air duct 101 and the second air duct 102 in the pot body 200 circumferential direction, thereby reducing the processing difficulty of the shell part 100.

[0198] As shown in Figures 8, 13 to 15, in some examples, at least two first air ducts 101 are spaced apart along the circumference of the pot body portion 200. Each first air duct 101 is provided with an air supply portion 300.

[0199] In this technical solution, at least two first air ducts 101 are spaced apart along the circumference of the pot body 200 and the shell 100. An air supply unit 300 is provided at each first air duct 101. Based on the aforementioned arrangement, on the one hand, the distribution range of the air ducts inside the shell 100 can be further increased, which is beneficial to increasing the contact area and heat transfer efficiency between the airflow and the pot body 200; based on the circumferential positional differences between the multiple first air ducts 101, and the circumferential positional differences between the first air duct 101 and the second air duct 102, it is more conducive to promoting the flow of gas around the pot body 200 within the third air duct 103, enhancing the heat dissipation and pressure reduction efficiency of the pot body 200; on the other hand, it can also improve the gas driving performance of the pressure cooking appliance, improve the gas exchange efficiency between the pressure cooking appliance and the external environment, reduce the limitation of airflow loss along the path on heat dissipation and pressure reduction efficiency, and further improve the heat dissipation and pressure reduction efficiency of the pot body 200.

[0200] It should be noted that, as shown in Figures 14 and 15, the air supply direction of each air supply unit 300 can be consistent. That is, each air supply unit 300 can drive gas from the first air duct 101 to the third air duct 103 or drive gas from the third air duct 103 to the first air duct 101. This helps to ensure the stability of the gas flow field in the third air duct 103, increase the gas flow rate in the third air duct 103, and improve the heat dissipation effect of the gas on the pot body 200. In some embodiments, the air supply direction of each air supply unit 300 can be opposite. That is, some air supply units 300 can drive gas from the first air duct 101 to the third air duct 103, and some air supply units 300 can drive gas from the third air duct 103 to the first air duct 101. This helps to accelerate the air intake and exhaust efficiency in the air supply units 300. Based on the circumferential positional differences between the various air supply sections 300, it is more conducive to the flow of gas around the periphery of the pot body section 200 within the third air duct 103, thereby increasing the heat transfer efficiency and heat dissipation effect between the airflow and the pot body section 200.

[0201] As shown in Figures 8, 13 to 15, in some examples, at least one second air duct 102 is provided between two adjacent first air ducts 101 along the circumference of the pot body 200.

[0202] In this technical solution, at least one second air duct 102 can be provided between two adjacent first air ducts 101 along the circumference of the pot body 200. Based on the aforementioned arrangement, at least one adjacent second air duct 102 can exist on both sides of each first air duct 101 along the circumference of the pot body 200. On the one hand, the air resistance of the third air duct 103 can be further reduced, thereby improving the gas exchange efficiency between the pressure cooking appliance and the external environment and enhancing the heat dissipation efficiency of the pot body 200; on the other hand, it can also facilitate the flow of gas around the circumference of the pot body 200 after entering the third air duct 103, ensuring the contact area between the airflow and the pot body 200, thereby improving the heat dissipation and pressure reduction efficiency of the pot body 200.

[0203] It is understood that, as shown in Figure 8, in some embodiments, a second air duct 102 can be provided between two adjacent first air ducts 101 along the circumference of the pot body 200. When the second air duct 102 serves as the aforementioned outlet channel along the circumference of the pot body 200, each second air duct 102 can simultaneously provide an exhaust path for gas entering the third air duct 103 through the first air ducts 101 on both sides. When the second air duct 102 serves as the aforementioned inlet channel, gas entering the third air duct 103 through each second air duct 102 can quickly flow along the circumference of the pot body 200 towards the adjacent first air duct 101, thereby reducing the number of channels in the shell portion 100, ensuring the structural strength of the shell portion 100, and reducing the probability of damage to the shell portion 100. As shown in Figures 14 and 15, in some embodiments, two or more second air ducts 102 can be formed between two adjacent first air ducts 101 along the circumference of the pot body 200, thereby increasing the air intake or exhaust area of ​​the shell part 100. This can improve the gas exchange efficiency between the pressure cooking appliance and the external environment, and help improve the stability of the gas flow field in the third air duct 103, reduce the risk of airflow turbulence in the third air duct 103, and provide a reliable guarantee for the heat dissipation and pressure reduction effect of the pot body 200.

[0204] As shown in Figure 8, in some examples, along the circumference of the pot body 200, the interval angle α between adjacent first air ducts 101 and second air ducts 102 is greater than or equal to 10° and less than or equal to 160°.

[0205] In this technical solution, the spacing angle α between the first air duct 101 and the second air duct 102 adjacent to each other along the circumference of the pot body 200 is constrained. Based on the aforementioned constraint on the spacing angle α, on the one hand, it can avoid the distance between the first air duct 101 and the second air duct 102 being too close, which is conducive to ensuring that the gas in the third air duct 103 flows around the periphery of the pot body 200 and prevents the gas from being quickly discharged after entering the third air duct 103. It can also improve the heat transfer between the gas and the pot body 200, thereby improving the heat dissipation and pressure reduction effect of the pot body 200. On the other hand, it can also avoid the distance between the first air duct 101 and the second air duct 102 being too large, which is conducive to reducing the flow resistance of the gas in the third air duct 103, increasing the flow velocity of the gas in the third air duct 103, and further improving the gas exchange efficiency between the pressure cooking appliance and the external environment, improving the heat dissipation and pressure reduction efficiency of the pot body 200, and providing favorable conditions for the rapid pressure release of the pressure cooking appliance after cooking.

[0206] It is understandable that, as shown in Figure 8, the aforementioned interval angle α is the angle between the center position of the first air duct 101 and the center position of the second air duct 102 along the circumference of the pot body 200.

[0207] It is understood that the aforementioned interval angle α can be, but is not limited to, 10°, 50°, 60°, 90°, 157.5°, etc. It should be noted that in practical applications, the aforementioned interval angle α can be specifically selected based on the capacity of the pot body 200. The larger the capacity of the pot body 200, the more and larger the food that can be cooked in practical applications, and the higher the heat dissipation requirement. Therefore, a relatively smaller interval angle α can be selected to ensure efficient heat dissipation and pressure reduction. Conversely, the smaller the capacity of the pot body 200, the lower the heat dissipation requirement. Therefore, a relatively larger interval angle α can be selected to ensure effective heat dissipation and pressure reduction. For example, when the capacity of the pot body 200 is less than 5L, the aforementioned interval angle α can be set to be greater than or equal to 10° and less than or equal to 157.5°. When the capacity of the pot body 200 is greater than or equal to 5L, the aforementioned interval angle α can be set to be greater than 10° and less than or equal to 90°.

[0208] As shown in Figures 5 to 7 and Figures 9 to 12, in some examples, the housing portion 100 includes: a first housing 110, which has a groove-shaped structure; a first air duct 101 including a first ventilation hole 1011 opened in the first housing 110; and a second air duct 102 including a second ventilation hole 1021 opened in the first housing 110; and a second housing 120, disposed within the first housing 110, which also has a groove-shaped structure; the first air duct 101 further includes a third ventilation hole 1013 opened in the second housing 120; and the second air duct 102 further includes a fourth ventilation hole 1023 opened in the second housing 120. A pot body portion 200 is disposed within the second housing 120, and an air supply portion 300 is disposed between the first housing 110 and the second housing 120 and arranged corresponding to the third ventilation hole 1013.

[0209] In this technical solution, the aforementioned housing portion 100 may include a first housing 110 and a second housing 120. Both the first housing 110 and the second housing 120 may be of a groove-shaped structure. Accordingly, the second housing 120 is disposed within the first housing 110. The aforementioned pot body portion 200 is disposed within the second housing 120. The aforementioned third air duct 103 is formed between the second housing 120 and the pot body portion 200. In some embodiments, the aforementioned second housing 120 may be used as the outer pot of a pressure cooker. The pot body portion 200 may be used as the inner pot of a pressure cooker. The first housing 110 may be used as the outer shell of a pressure cooker.

[0210] The first housing 110 has a first ventilation hole 1011 and a second ventilation hole 1021. The second housing 120 has a third ventilation hole 1013 and a fourth ventilation hole 1023. The aforementioned first air duct 101 includes the aforementioned first ventilation hole 1011 and the aforementioned third ventilation hole 1013. One end of the first air duct 101 is connected to the third air duct 103 and is located at the aforementioned third ventilation hole 1013. The aforementioned second air duct 102 includes the aforementioned second ventilation hole 1021 and the aforementioned fourth ventilation hole 1023. One end of the second air duct 102 is connected to the aforementioned third air duct 103 and is located at the aforementioned fourth ventilation hole 1023. When the air supply unit 300 is in operation, gas from the external environment can flow into the housing 100 through one of the first ventilation hole 1011 and the second ventilation hole 1021, and flow out of the housing 100 through the other.

[0211] The aforementioned air supply unit 300 can be disposed between the first housing 110 and the second housing 120 and corresponding to the third ventilation hole 1013. When the air supply unit 300 supplies air from the first air duct 101 to the third air duct 103, during operation, the gas can enter the first air duct 101 through the first ventilation hole 1011 and flow to the third air duct 103 through the third ventilation hole 1013, and then be discharged through the second air duct 102. When the air supply unit 300 supplies air from the third air duct 103 to the first air duct 101, during operation, the gas can flow from the second air duct 102 to the third air duct 103 and enter the first air duct 101 through the third ventilation hole 1013, and then be discharged through the first ventilation hole 1011. Based on the aforementioned arrangement, it is also beneficial to improve the utilization rate of the internal space of the housing 100 and enhance the structural compactness and miniaturization level of the pressure cooking appliance.

[0212] It is understood that the first vent 1011 and the third vent 1013 can be directly connected. In some embodiments, a first gas channel communicating with the first vent 1011 and the second vent 1021 can be formed between the first housing 110 and the second housing 120, so that the first vent 1011 and the third vent 1013 are indirectly connected. Accordingly, the first air duct 101 also includes the aforementioned first gas channel. Exemplarily, the aforementioned first gas channel may be, but is not limited to, an installation space between the bottom wall of the first housing 110 and the bottom wall of the second housing 120, through which the first vent 1011 and the third vent 1013 are connected. It is understood that the aforementioned installation space may be used to install some components of the pressure cooking appliance, such as the electronic control board, the aforementioned air supply unit 300, etc. The second vent 1021 and the fourth vent 1023 can also be directly connected. In some embodiments, a second gas channel may be formed between the first housing 110 and the second housing 120, communicating with the second vent 1021 and the fourth vent 1023, so that the second vent 1021 and the fourth vent 1023 are indirectly connected. Accordingly, the second air duct 102 also includes the aforementioned second gas channel. In some embodiments, the aforementioned second gas channel may be, but is not limited to, a circumferential gap between the peripheral wall of the first housing 110 and the peripheral wall of the second housing 120. The first vent 1011 and the third vent 1013 are connected through the aforementioned circumferential gap.

[0213] As shown in Figures 5 to 7 and Figures 9 to 12, in some examples, at least one of the third ventilation hole 1013 and the fourth ventilation hole 1023 is formed on the peripheral wall of the second housing 120; and / or at least one of the first ventilation hole 1011 and the second ventilation hole 1021 is formed on the peripheral wall of the first housing 110; and / or at least one of the first ventilation hole 1011 and the second ventilation hole 1021 is formed on the bottom wall of the first housing 110.

[0214] In this technical solution, at least one of the aforementioned third ventilation hole 1013 and the aforementioned fourth ventilation hole 1023 can be provided on the peripheral wall of the aforementioned second housing 120, so that gas can enter or exit the third air duct 103 through the peripheral wall of the second housing 120. This helps to reduce the resistance of gas when entering or exiting the third air duct 103, thereby further reducing the flow loss along the airflow path and providing further assurance for improving the heat dissipation and pressure reduction efficiency of the pot body 200. It also helps to reduce the energy consumption of the air supply unit 300.

[0215] It is understandable that when at least one of the third ventilation hole 1013 and the fourth ventilation hole 1023 is located on the peripheral wall of the second housing 120 and the other is located on the bottom wall of the first housing 110, the height difference between the third ventilation hole 1013 and the fourth ventilation hole 1023 can be further utilized to generate a velocity component of the gas in the third air duct 103 along the height direction of the pot body 200. This can extend the flow path of the gas in the third air duct 103, increase the contact area between the airflow and the pot body 200, and help improve the heat dissipation effect of the bottom area of ​​the pot body 200.

[0216] It is understandable that when both the third ventilation hole 1013 and the fourth ventilation hole 1023 are opened on the peripheral wall of the second shell 120, the flow resistance when gas enters and exits the third air duct 103 can be further reduced, and it is more conducive to promoting the flow of gas around the periphery of the pot body 200 in the third air duct 103.

[0217] In this technical solution, at least one of the first ventilation hole 1011 and the second ventilation hole 1021 can be provided on the peripheral wall of the first housing 110, so that gas can enter or exit the pressure cooking appliance through the peripheral wall of the first housing 110. This helps to reduce the obstruction of air intake or exhaust in the pressure cooking appliance, improves the air intake efficiency of the pressure cooking appliance during heat dissipation and pressure reduction, and helps to ensure the heat dissipation and pressure reduction effect of the pot body 200.

[0218] It is understandable that when both the first vent 1011 and the second vent 1021 are opened on the peripheral wall of the first housing 110, the obstruction of the pressure cooking appliance during air intake or exhaust can be further reduced, thereby improving the air intake efficiency of the pressure cooking appliance during heat dissipation and pressure reduction.

[0219] In this technical solution, at least one of the first ventilation hole 1011 and the second ventilation hole 1021 can be opened on the bottom wall of the first housing 110, allowing gas to enter or exit the pressure cooker through the bottom wall of the first housing 110. This helps to reduce the impact of the openings on the aesthetics of the pressure cooker and allows the air inlet and outlet positions of the pressure cooker to be relatively concealed. It also helps to prevent the pressure cooker from blowing away external objects when dissipating heat and depressurizing, thereby improving the ease of use of the pressure cooker.

[0220] It is understandable that when both the first ventilation hole 1011 and the second ventilation hole 1021 are located on the bottom wall of the first housing 110, the aesthetics and ease of use of the product can be further improved.

[0221] It is understandable that the locations of the aforementioned ventilation openings can all be used, or any one or more of them can be used. The selection can be based on actual needs, and no further restrictions are imposed here.

[0222] As shown in Figure 9, in some examples, the first ventilation hole 1011 and the third ventilation hole 1013 of the same first air duct 101 have the same conduction direction; and / or the second ventilation hole 1021 and the fourth ventilation hole 1023 of the same second air duct 102 have the same conduction direction.

[0223] In this technical solution, the guiding directions of the first ventilation hole 1011 and the third ventilation hole 1013 of the first air duct 101 can be set to be consistent, that is, the guiding directions of the first ventilation hole 1011 and the third ventilation hole 1013 of the first air duct 101 are aligned or parallel. This helps to reduce the deflection of gas within the first air duct 101. It can reduce the friction loss of airflow within the first air duct 101, thereby saving energy consumption of the air supply unit 300. It also helps to improve the gas exchange efficiency between the cooking appliance and the external environment, thereby improving the heat dissipation and pressure reduction efficiency of the pot body 200.

[0224] It is understandable that when there is more than one first air duct 101, the first ventilation hole 1011 and the third ventilation hole 1013 of the same first air duct 101 can be set to have the same conduction direction.

[0225] In this technical solution, the guiding directions of the second ventilation hole 1021 and the fourth ventilation hole 1023 in the same second air duct 102 can be set to be consistent, that is, the guiding directions of the second ventilation hole 1021 and the fourth ventilation hole 1023 in the same second air duct 102 are aligned or parallel. This helps to reduce the deflection of gas in the second air duct 102, thereby reducing the friction loss of airflow in the second air duct 102 and saving energy consumption of the air supply unit 300. It also helps to improve the gas exchange efficiency between the pressure cooking appliance and the external environment, thereby improving the heat dissipation and pressure reduction efficiency of the pot body 200.

[0226] It is understandable that, when the first ventilation hole 1011 and the third ventilation hole 1013 of the same first air duct 101 have the same conduction direction, the second ventilation hole 1021 and the fourth ventilation hole 1023 of the same second air duct 102 have the same conduction direction, which can further reduce the loss of gas when entering and exiting the shell part 100, thereby improving the gas exchange efficiency between the pressure cooking appliance and the external environment, and thus improving the heat dissipation and pressure reduction efficiency of the pot body part 200.

[0227] In some examples, each first air duct 101 includes a plurality of first ventilation holes 1011 and a plurality of third ventilation holes 1013. The plurality of first ventilation holes 1011 and the plurality of third ventilation holes 1013 are arranged in an array. The air inlet or outlet of the air supply unit 300 covers the plurality of third ventilation holes 1013; and / or each second air duct 102 includes a plurality of second ventilation holes 1021 and a plurality of fourth ventilation holes 1023. The plurality of second ventilation holes 1021 and the plurality of fourth ventilation holes 1023 are arranged in an array.

[0228] In this technical solution, the first air duct 101 includes multiple first ventilation holes 1011 and multiple third ventilation holes 1013, and the multiple first ventilation holes 1011 and multiple third ventilation holes 1013 are arranged in an array. Based on the aforementioned arrangement, given a fixed overall conduction area of ​​the first air duct 101, the method of dispersing the first ventilation holes 1011 and third ventilation holes 1013 can avoid creating excessively large and continuous channels on the housing portion 100. This helps reduce the weakening of the housing portion 100 caused by openings, thereby ensuring the structural reliability of the pressure cooking appliance. It also helps improve the regularity of the first ventilation holes 1011 and third ventilation holes 1013, thereby ensuring the aesthetics of the first housing 110 and the second housing 120.

[0229] In some embodiments, the air inlet or outlet of the air supply unit 300 may be covered by multiple third ventilation holes 1013. When the air inlet of the air supply unit 300 is covered by multiple third ventilation holes 1013, the air intake efficiency of the air supply unit 300 can be guaranteed, thereby accelerating the flow rate within the third air duct 103 and saving energy consumption of the air supply unit 300. When the air inlet of the air supply unit 300 is covered by multiple third ventilation holes 1013, it can be ensured that as much gas discharged from the air supply unit 300 as possible flows into the third air duct 103 through the third ventilation holes 1013. This helps to ensure the output efficiency of the air supply unit 300, thus saving energy consumption. It also ensures the heat dissipation and pressure reduction efficiency of the pot body 200.

[0230] It is understandable that when there is more than one first air duct 101, based on the aforementioned arrangement of this technical solution, when the air supply unit 300 is running, the gas can flow through the first air duct 101 at different circumferential positions. This facilitates the connection of the first air duct 101 to the third air duct 103 through the third ventilation holes 1013 at different circumferential positions, and helps the gas to form a flow around the periphery of the pot body 200 within the third air duct 103, thereby ensuring the uniformity of heat dissipation in the circumferential direction of the pot body 200 and further improving the heat dissipation efficiency of the pot body 200.

[0231] It is understandable that the array form of the first ventilation hole 1011 and the third ventilation hole 1013 can be various, such as a ring array, a linear array, a rectangular array, etc., which can be set according to actual needs, and no further restrictions are imposed here.

[0232] In this technical solution, each second air duct 102 includes a plurality of second ventilation holes 1021 and a plurality of fourth ventilation holes 1023, and the plurality of second ventilation holes 1021 and the plurality of fourth ventilation holes 1023 are arranged in an array. Based on the aforementioned configuration, on the one hand, when the air supply unit 300 is operating, gas can flow through the second air duct 102 at different circumferential positions, facilitating communication between the second air duct 102 and the third air duct 103 through the fourth ventilation holes 1023 at different circumferential positions. This helps the gas to flow around the periphery of the pot body 200 within the third air duct 103, thereby ensuring uniform heat dissipation around the pot body 200 and further improving its heat dissipation efficiency. On the other hand, given a fixed overall conduction area of ​​the second air duct 102, the dispersed arrangement of the second ventilation holes 1021 and the fourth ventilation holes 1023 avoids creating excessively large and continuous channels on the shell part 100. This helps reduce the weakening of the shell part 100 caused by openings and ensures the structural reliability of the pressure cooking appliance. It also helps improve the regularity of the second ventilation holes 1021 and the fourth ventilation holes 1023, ensuring the aesthetics of the first shell 110 and the second shell 120.

[0233] It is understandable that the array form of the second ventilation hole 1021 and the fourth ventilation hole 1023 can be various, such as a ring array, a linear array, a rectangular array, etc., which can be set according to actual needs, and no further restrictions are imposed here.

[0234] As shown in Figures 5 and 12, in some examples, the pressure cooking appliance further includes a panel 400 disposed on the peripheral wall of the first housing 110. Along the circumference of the pot body 200, a first air duct 101 and a second air duct 102 are both arranged at intervals from the panel 400.

[0235] In this technical solution, the pressure cooker may further include a panel 400 disposed on the peripheral wall of the first housing 110 to further improve the aesthetics of the pressure cooker. Along the circumference of the pot body 200, both the first air duct 101 and the second air duct 102 are spaced apart from the panel 400 to reduce the impact of the panel 400 on the airflow into and out of the pressure cooker and to ensure efficient gas exchange between the pressure cooker and the external environment. This also prevents the panel 400 from contacting the high-temperature gases emitted by the pressure cooker, thus extending the service life of the panel 400.

[0236] It is understood that the aforementioned panel 400 may include a panel 400 body and a button assembly. The panel 400 body is disposed on the first housing 110. The button assembly is disposed on the panel 400 body to allow the user to operate the pressure cooking appliance via the button assembly. The panel 400 may also include a display assembly disposed on the aforementioned panel 400 body to display the operating information of the pressure cooking appliance via the display assembly.

[0237] As shown in Figures 6 and 11, in some examples, the air supply unit 300 includes: a flow guiding structure 310 disposed on the housing part 100, the flow guiding structure 310 forming a flow guiding channel 301, the flow guiding channel 301 communicating with the third ventilation hole 1013; and a fan 320 disposed on the flow guiding structure 310, the flow guiding channel 301 being located between the fan 320 and the third ventilation hole 1013, the third ventilation hole 1013 facing the periphery of the pot body part 200.

[0238] In this technical solution, the air supply unit 300 may include a flow guiding structure 310 and a fan 320. The flow guiding structure 310 is disposed on the housing portion 100 and forms a flow guiding channel 301. The flow guiding channel 301 is connected to the aforementioned third ventilation hole 1013. The fan 320 is disposed on the flow guiding structure 310 and is located on the side of the aforementioned flow guiding channel 301 away from the third ventilation hole 1013. The fan 320 can be connected to the third ventilation hole 1013 through the flow guiding channel 301. When the air inlet end of the fan 320 faces the flow guiding channel 301, the air intake efficiency of the air supply unit 300 can be guaranteed, thereby accelerating the flow velocity in the third air duct 103 and saving energy consumption of the air supply unit 300. When the air outlet of the air supply section 300 is oriented towards the guide channel 301, it can be ensured that the gas discharged from the air supply section 300 flows into the third air duct 103 through the third ventilation hole 1013, preventing the gas from being lost to other parts, which helps to ensure the output efficiency of the air supply section 300, saves the energy consumption of the air supply section 300, and provides a guarantee for the heat dissipation and pressure reduction efficiency of the pot body section 200.

[0239] In some feasible examples, the length of the guide channel 301 in the circumferential direction of the pot body 200 can be increased along the direction from the fan 320 to the third ventilation hole 1013, and the third ventilation hole 1013 can be oriented towards the periphery of the pot body 200. Based on the aforementioned arrangement, the guide channel 301 can be gradually expanded circumferentially towards the pot body 200 along the direction close to the third air duct 103, so as to facilitate the gas to flow directly around the circumference of the pot body 200 after flowing out of the guide channel 301; or the gas in the third air duct 103 can be made to form a tendency to flow around the pot body 200 before flowing into the guide channel 301, so as to further increase the contact area between the airflow and the pot body 200 and improve the heat dissipation and pressure reduction efficiency of the pot body 200. This can reduce the flow resistance of the airflow during the transition between the first air duct 101 and the third air duct 103, thereby reducing the friction loss of the airflow.

[0240] In some examples, fan 320 is either an axial fan 320 or a centrifugal fan 320.

[0241] In this technical solution, the aforementioned fan 320 can be an axial flow fan 320, which helps to increase the output flow rate of the air supply section 300. This can improve the heat transfer efficiency between the airflow and the pot body section 200, thereby facilitating rapid heat dissipation and pressure reduction of the pot body section 200.

[0242] In some embodiments, the aforementioned fan 320 may be a centrifugal fan 320, which is beneficial to increase the output pressure of the air supply section 300 and to reduce the impact of air duct resistance on gas flow efficiency, thus providing a more reliable guarantee for the heat dissipation and pressure reduction effect of the pot body section 200.

[0243] As shown in Figure 7, in some examples, the pressure cooking appliance also includes a heating element 500 for heating the pot body 200.

[0244] In this technical solution, the pressure cooking appliance may further include a heating element 500. Based on the aforementioned configuration, the pressure cooking appliance can utilize the heating element 500 to provide heat to the pot body 200 during the cooking process, thereby achieving the cooking of the food.

[0245] In some examples, the pressure cooking appliance also includes: a lid portion disposed on the housing portion 100 for covering or opening the pot opening of the pot body portion 200; and a pressure relief valve disposed on the lid portion.

[0246] In this technical solution, the pressure cooking appliance may further include a lid and a pressure relief valve. The lid is used to cover or open the pot opening of the pot body 200. During cooking, the lid can be used to cover the pot opening to ensure stable pressure inside the pot body 200. The pressure relief valve is located on the lid and is connected to the inside of the pot body 200 when the lid covers the pot opening. After cooking is complete, the internal pressure of the pot body 200 can be released by opening the pressure relief valve, allowing the lid to open the pot opening.

[0247] It is understandable that the aforementioned pot opening is also the opening of the pot body 200.

[0248] Understandably, when using a pressure cooker as an electric pressure cooker, the air supply unit 300 can be used first to dissipate heat and reduce pressure in the pot body 200 after cooking. Once the internal pressure in the pot body 200 has decreased to a certain level, the pressure relief valve can be opened to release any residual pressure. This helps reduce the noise of the pressure relief valve during pressure release, avoiding any discomfort caused by excessive noise. This improves the user experience.

[0249] Understandably, when the pressure cooker is used as an electric pressure cooker, the air supply unit 300 can be used to dissipate heat and reduce pressure in the pot body 200 after cooking, allowing the internal pressure of the pot body 200 to drop to the external ambient pressure. This avoids the need for the user to use the pressure relief valve, further reducing the noise generated by the pressure cooker during pressure relief.

[0250] In some examples, the aforementioned first total heat dissipation power and the aforementioned second total heat dissipation power are based on adjustments to any one or more of the following items:

[0251] The number of activated heat dissipation components (3000);

[0252] The heat dissipation power of a single heat dissipation component 3000; and

[0253] The heat dissipation component operates at a speed of 3000 RPM.

[0254] In some embodiments, the heat dissipation component 3000 includes an air supply section. The air supply section may include a fan. The first total heat dissipation power and the second total heat dissipation power can be adjusted based on one or more of the following: the number of activated heat dissipation components, the heat dissipation power of a single heat dissipation component 3000, and the rotational speed of the heat dissipation component 3000, so as to achieve flexible adjustment of the heat dissipation power.

[0255] The total cooling power can be controlled by changing the number of activated cooling components 3000. More components operating result in increased cooling power. The individual power of each cooling component 3000 can also be adjusted as needed. The cooling effect can also be controlled by changing the rotation speed of the cooling components 3000 (e.g., fans). Higher rotation speeds result in better cooling. By automatically detecting and controlling the cooking chamber pressure, this method can rapidly cool down when the pressure is too high. Different cooling powers are used depending on the pressure, allowing for rapid cooling under high pressure and gradual pressure release under low pressure to avoid damage caused by excessively rapid cooling. Multiple adjustment factors for the cooling components 3000 enable flexible control of the total cooling power to adapt to different pressure conditions and cooking needs.

[0256] It should be noted that the descriptions of each embodiment in the above embodiments have different focuses. For parts that are not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0257] Those skilled in the art will understand that embodiments of this disclosure can be provided as methods, systems, or computer program products. Therefore, this disclosure can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, this disclosure can take the form of a computer program product embodied on one or more computer-readable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) containing computer-readable program code.

[0258] This disclosure is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of this disclosure. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in one or more flowchart illustrations and / or one or more block diagrams.

[0259] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means that implement the functions specified in one or more flowcharts and / or one or more block diagrams.

[0260] These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer-implemented process, such that the instructions, which execute on the computer or other programmable apparatus, provide steps for implementing the functions specified in one or more flowcharts and / or one or more block diagrams.

[0261] This disclosure also provides a computer program product including computer software instructions that, when executed on a processing device, cause the processing device to execute a process for a smart drinking water service method.

[0262] A computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the flow or function according to embodiments of this disclosure is generated. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, computer instructions may be transmitted from one website, computer, server, or data center to another via wired (e.g., coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium may be any available medium that a computer can store or a data storage device such as a server or data center that integrates one or more available media. The available medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid-state disk (SSD)).

[0263] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0264] In the several embodiments provided in this disclosure, it should be understood that the disclosed devices, apparatuses, and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be through some interfaces, or the indirect coupling or communication connection between devices or units may be electrical, mechanical, or other forms.

[0265] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0266] Furthermore, the functional units in the various embodiments of this disclosure can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or as a software functional unit.

[0267] If the integrated unit is implemented as a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this disclosure, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods of the various embodiments of this disclosure. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0268]

[0269] In this disclosure, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; the term "multiple" refers to two or more unless otherwise expressly defined. The terms "install," "connect," "link," and "fix" should be interpreted broadly. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "link" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances.

[0270] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this disclosure. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0271] The above are merely preferred embodiments of this disclosure and are not intended to limit this disclosure. Various modifications and variations can be made to this disclosure by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this disclosure should be included within the scope of protection of this disclosure.

Claims

1. A method for controlling a pressure cooking appliance, comprising: Obtain pressure information from the cooking chamber of a pressure cooking appliance; When the pressure information of the cooking cavity is greater than or equal to the first preset pressure, the heat dissipation component is controlled to cool the cooking cavity with the first total heat dissipation power so that the pressure information of the cooking cavity is reduced to the second preset pressure; as well as When the pressure information of the cooking chamber is less than or equal to the second preset pressure, the heat dissipation component is controlled to cool the cooking chamber with the second total heat dissipation power, and a pressure relief valve pressure relief command is generated, wherein the first preset pressure is greater than the second preset pressure, and the first total heat dissipation power is greater than the second total heat dissipation power.

2. The control method for a pressure cooking appliance according to claim 1 further includes: When the pressure information of the cooking chamber is less than the third preset pressure, an opening command is generated, wherein the third preset pressure is less than the second preset pressure.

3. The control method for a pressure cooking appliance according to claim 1 or 2 further includes: If the pressure information of the cooking chamber is greater than or equal to the first preset pressure, the heating component is controlled to stop heating.

4. The control method of a pressure cooking appliance according to any one of claims 1-3, wherein, The first total heat dissipation power and the second total heat dissipation power are adjusted based on the number of heat dissipation components that are activated. The method further includes: When the pressure information of the cooking cavity is greater than or equal to the first preset pressure, a first number of heat dissipation components are controlled to cool the cooking cavity; and When the pressure information of the cooking chamber is less than or equal to the second preset pressure, a second number of the heat dissipation components are controlled to cool the cooking chamber, wherein the first number is greater than the second number.

5. The control method of a pressure cooking appliance according to any one of claims 1-3, wherein, The first total heat dissipation power and the second total heat dissipation power are adjusted based on the individual heat dissipation power of the heat dissipation component. The method further includes: When the pressure information of the cooking cavity is greater than or equal to the first preset pressure, control a preset number of heat dissipation components to cool the cooking cavity with a first unit heat dissipation power; and When the pressure information of the cooking cavity is less than or equal to the second preset pressure, a preset number of heat dissipation components are controlled to cool the cooking cavity with a second unit heat dissipation power, wherein the first unit heat dissipation power is greater than the second unit heat dissipation power.

6. The control method of a pressure cooking appliance according to any one of claims 1-5, wherein, The heat dissipation component includes a cooling fan. The method further includes: When the pressure information in the cooking chamber is greater than or equal to the first preset pressure, a third number of the cooling fans are controlled to cool the cooking chamber; and When the pressure information of the cooking chamber is less than or equal to the second preset pressure, a fourth number of the cooling fans are controlled to cool the cooking chamber, wherein the third number is greater than the fourth number.

7. The control method of a pressure cooking appliance according to any one of claims 1-5, wherein, The heat dissipation component includes a cooling fan. The method further includes: When the pressure information of the cooking cavity is greater than or equal to the first preset pressure, a preset number of cooling fans are controlled to cool the cooking cavity at a first rotation speed; and When the pressure information of the cooking cavity is less than or equal to the second preset pressure, a preset number of the cooling fans are controlled to cool the cooking cavity at a second rotation speed, wherein the first rotation speed is greater than the second rotation speed.

8. The control method of a pressure cooking appliance according to any one of claims 1-7, wherein, The heat dissipation assembly includes a liquid cooling device. The method further includes: When the pressure information of the cooking chamber is greater than or equal to the first preset pressure, the liquid cooling device is controlled to cool the cooking chamber at the first refrigerant temperature; When the pressure information of the cooking chamber is less than or equal to the second preset pressure, the liquid cooling device is controlled to cool the cooking chamber at the second refrigerant temperature, wherein the first refrigerant temperature is lower than the second refrigerant temperature.

9. The control method of a pressure cooking appliance according to any one of claims 1-7, wherein, The heat dissipation assembly includes a liquid cooling device. The method further includes: When the pressure information in the cooking chamber is greater than or equal to the first preset pressure, the liquid cooling device is controlled to cool the cooking chamber at a first circulation rate; and When the pressure information of the cooking chamber is less than or equal to the second preset pressure, the liquid cooling device is controlled to cool the cooking chamber at a second circulation speed, wherein the first circulation speed is higher than the second circulation speed.

10. A control device for a pressure cooking appliance, comprising: The acquisition unit is used to acquire the pressure information of the cooking chamber of the pressure cooking appliance; A first control unit is configured to control a heat dissipation component to cool the cooking cavity with a first total heat dissipation power when the cooking cavity pressure information is greater than or equal to the first preset pressure, so as to reduce the cooking cavity pressure information to a second preset pressure. as well as The second control unit is configured to control the heat dissipation component to cool the cooking cavity with a second total heat dissipation power when the pressure information of the cooking cavity is less than or equal to the second preset pressure, and to generate a pressure relief valve pressure relief command, wherein the first preset pressure is greater than the second preset pressure, and the first total heat dissipation power is greater than the second total heat dissipation power.

11. The control device of a pressure cooking appliance according to claim 10, wherein, The first total heat dissipation power and the second total heat dissipation power are adjusted based on any one or more of the following items: The number of activated heat dissipation components; The heat dissipation power of a single heat dissipation component; Rotation speed of the heat dissipation components; The refrigerant temperature of the heat dissipation components; and The circulation speed of the heat dissipation components.

12. A cooking control device comprising: A memory and a processor, wherein the processor is configured to execute a computer program stored in the memory to implement the steps of the control method for a pressure cooking appliance as described in any one of claims 1-9.

13. A computer-readable storage medium comprising a computer program stored thereon, which, when executed by a processor, implements the steps of the control method for a pressure cooking appliance as claimed in any one of claims 1-9.

14. A pressure cooking appliance, comprising: The casing has a first air duct and a second air duct. as well as A pot body is disposed within the shell portion, and a third air duct is formed between the pot body and the shell portion. At least a portion of the third air duct surrounds the periphery of the pot body. Both the first air duct and the second air duct are connected to the third air duct. Along the periphery of the pot body, at least one second air duct is provided on each side of at least one first air duct. A heat dissipation assembly, including an air supply section, is disposed at the first air duct; and A control device is configured to acquire cooking chamber pressure information of a pressure cooking appliance; when the cooking chamber pressure information is greater than or equal to a first preset pressure, control the heat dissipation component to cool the cooking chamber with a first total heat dissipation power to reduce the cooking chamber pressure information to a second preset pressure; when the cooking chamber pressure information is less than or equal to the second preset pressure, control the heat dissipation component to cool the cooking chamber with a second total heat dissipation power and generate a pressure relief valve pressure relief command, wherein the first preset pressure is greater than the second preset pressure, and the first total heat dissipation power is greater than the second total heat dissipation power.

15. The pressure cooking appliance according to claim 14, wherein, Along the circumference of the pot body, the shell portion is provided with at least two first air ducts spaced apart, and each first air duct is provided with an air supply portion.

16. The pressure cooking appliance according to claim 15, wherein, Along the circumference of the pot body, at least one second air duct is provided between two adjacent first air ducts.

17. The pressure cooking appliance according to any one of claims 14-16, wherein, Along the circumference of the pot body, the angle between adjacent first and second air ducts is greater than or equal to 10° and less than or equal to 160°.

18. The pressure cooking appliance of any of claims 14-17, wherein, The housing portion includes: A first housing, the first housing having a groove-shaped structure, a first air duct including a first ventilation hole formed in the first housing, and a second air duct including a second ventilation hole formed in the first housing; and The second housing is disposed inside the first housing. The second housing has a groove-shaped structure. The first air duct also includes a third ventilation hole opened in the second housing. The second air duct also includes a fourth ventilation hole opened in the second housing. The pot body is disposed inside the second shell, and the air supply part is disposed between the first shell and the second shell and is arranged corresponding to the third ventilation hole.

19. The pressure cooking appliance according to claim 18, wherein, At least one of the third ventilation hole and the fourth ventilation hole is formed on the peripheral wall of the second housing; and / or At least one of the first ventilation hole and the second ventilation hole is formed on the peripheral wall of the first housing; and / or At least one of the first ventilation hole and the second ventilation hole is formed on the bottom wall of the first housing.

20. The pressure cooking appliance according to any one of claims 14-19, wherein, The first and third ventilation holes in the same first air duct have the same direction of conduction; and / or The second and fourth ventilation holes in the same second air duct have the same direction of conduction.

21. The pressure cooking appliance according to any one of claims 18-20, wherein, Each first air duct includes a plurality of first ventilation holes and a plurality of third ventilation holes, the plurality of first ventilation holes and the plurality of third ventilation holes being arranged in an array, and the air inlet or air outlet of the air supply unit covering the plurality of third ventilation holes; and / or Each of the second air ducts includes a plurality of second ventilation holes and a plurality of fourth ventilation holes, all of which are arranged in an array.

22. The pressure cooking appliance according to claim 18 or 19, further comprising: A panel is disposed on the peripheral wall of the first housing; Along the circumference of the pot body, both the first air duct and the second air duct are arranged at intervals from the panel.

23. The pressure cooking appliance of any one of claims 18-21, wherein, The air supply unit includes: A flow guiding structure is disposed in the housing portion, the flow guiding structure forming a flow guiding channel, the flow guiding channel communicating with the third ventilation hole; and A fan is disposed in the flow guiding structure, and the flow guiding channel is located between the fan and the third ventilation hole.

24. The pressure cooking appliance of any of claims 14-23, wherein, The first total heat dissipation power and the second total heat dissipation power are adjusted based on any one or more of the following items: The number of activated heat dissipation components; The heat dissipation power of a single heat dissipation component; and Rotation speed of the heat dissipation components.

Images