Steam cooking appliance, its control method, device, storage medium, and electronic device

Abstract

The present invention discloses a steam cooking appliance, a control method, a device, a storage medium, and an electronic device thereof. The control method of the steam cooking appliance includes the following steps: after receiving a cooking request, controlling a water inlet pump to pump water at a first preset flow rate, and controlling a steam generator to heat at a first preset power; when it is detected that the temperature of the steam generator reaches a first preset temperature and the water pumping duration of the water inlet pump reaches a first preset time, controlling the water inlet pump to pump water at a second preset flow rate, wherein the second preset flow rate is greater than or equal to the first preset flow rate; when it is detected that the air pressure in the cooking cavity reaches a first preset pressure and the temperature in the cooking cavity reaches a second preset temperature, controlling the steam generator to heat at a second preset power, and controlling the water inlet pump to pump water at a third preset flow rate until the cooking ends, wherein the third preset flow rate is less than or equal to the second preset flow rate. The control method of the steam cooking appliance can improve cooking efficiency and reduce water consumption.

Description

Technical Field

[0001] The present invention relates to the technical field of steam cooking, and particularly relates to a steam cooking appliance, a control method, a device, a storage medium, and an electronic device thereof. Background Art

[0002] Steam cooking is to heat the food ingredients in the cooking cavity with high-temperature steam. Specifically, the high-temperature steam can not only cook the food ingredients, but also supplement moisture to the food ingredients to a certain extent when the steam condenses and dissipates heat, ensuring the nutrition and taste of the food ingredients. Therefore, steam cooking is increasingly recognized by users.

[0003] In the related art, usually according to the preset content of the cooking mode, the types of cooking food ingredients are distinguished, corresponding power curves are preset, and the heating tube is controlled to provide heat, and steam is provided by vaporizing water supply. However, this method has low cooking efficiency and large water consumption, and cannot highlight the advantages of steam cooking, affecting the user experience. Summary of the Invention

[0004] The present invention aims to at least solve one of the technical problems in the related art to some extent. For this reason, the first object of the present invention is to provide a control method for a steam cooking appliance to improve cooking efficiency and reduce water consumption.

[0005] The second object of the present invention is to provide a computer-readable storage medium.

[0006] The third object of the present invention is to provide an electronic device.

[0007] The fourth object of the present invention is to provide a control device for a steam cooking appliance.

[0008] The fifth object of the present invention is to provide a steam cooking appliance.

[0009] To achieve the above object, an embodiment of the first aspect of the present invention provides a control method for a steam cooking appliance. The steam cooking appliance includes a water inlet pump, a steam generator, and a cooking cavity. The control method includes the following steps: after receiving a cooking request, controlling the water inlet pump to pump water at a first preset flow rate, and controlling the steam generator to heat at a first preset power; when it is detected that the temperature of the steam generator reaches a first preset temperature and the water pumping duration of the water inlet pump reaches a first preset time, controlling the water inlet pump to pump water at a second preset flow rate, where the second preset flow rate is greater than or equal to the first preset flow rate; when it is detected that the air pressure in the cooking cavity reaches a first preset pressure and the temperature in the cooking cavity reaches a second preset temperature, controlling the steam generator to heat at a second preset power, and controlling the water inlet pump to pump water at a third preset flow rate until the cooking ends, where the third preset flow rate is less than or equal to the second preset flow rate.

[0010] To achieve the above object, an embodiment of the second aspect of the present invention provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the control method of the above steam cooking appliance is implemented.

[0011] To achieve the above object, an embodiment of the third aspect of the present invention provides an electronic device, including a memory, a processor, and a computer program stored on the memory. When the computer program is executed by the processor, the control method of the above steam cooking appliance is implemented.

[0012] To achieve the above object, an embodiment of the fourth aspect of the present invention provides a control device for a steam cooking appliance. The steam cooking appliance includes a water inlet pump, a steam generator, and a cooking cavity. The control device includes: a receiving module, configured to receive a cooking request; a detecting module, configured to detect the temperature of the steam generator, the water pumping duration of the water inlet pump, the air pressure in the cooking cavity, and the temperature in the cooking cavity; a control module, connected to the receiving module and the detecting module respectively, and configured to: after receiving the cooking request, control the water inlet pump to pump water at a first preset flow rate, and control the steam generator to heat at a first preset power; when the temperature of the steam generator reaches a first preset temperature and the water pumping duration of the water inlet pump reaches a first preset time, control the water inlet pump to pump water at a second preset flow rate, where the second preset flow rate is greater than or equal to the first preset flow rate; when the air pressure in the cooking cavity reaches a first preset pressure and the temperature in the cooking cavity reaches a second preset temperature, control the steam generator to heat at a second preset power, and control the water inlet pump to pump water at a third preset flow rate until the cooking ends, where the third preset flow rate is less than or equal to the second preset flow rate.

[0013] To achieve the above object, an embodiment of the fifth aspect of the present invention provides a steam cooking appliance, including a water inlet pump, a steam generator, a cooking cavity, and the above electronic device, or the above control device for the steam cooking appliance.

[0014] The steam cooking appliance, its control method, device, storage medium, and electronic device according to the embodiments of the present invention, after receiving a cooking request, control the water inlet pump to pump water at a first preset flow rate, and control the steam generator to heat at a first preset power; then, after detecting that the temperature of the steam generator reaches a first preset temperature and the water pumping duration of the water inlet pump reaches a first preset time, control the water inlet pump to pump water at a second preset flow rate; thus, after detecting that the air pressure in the cooking cavity reaches a first preset pressure and the temperature in the cooking cavity reaches a second preset temperature, control the steam generator to heat at a second preset power, and control the water inlet pump to pump water at a third preset flow rate until the cooking ends; wherein, the second preset flow rate is greater than or equal to the first preset flow rate, and the third preset flow rate is less than or equal to the second preset flow rate. Thereby, the cooking efficiency can be improved and the water consumption can be reduced.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present invention. Description of the Drawings

[0016] Figure 1 Flowchart of the control method of the steam cooking appliance according to an embodiment of the present invention;

[0017] Figure 2 is a schematic structural diagram of a pressure valve according to an example of the present invention;

[0018] Figure 3 Flowchart of the control method of the steam cooking appliance according to an example of the present invention;

[0019] Figure 4 is a schematic diagram of a steam cooking appliance according to an example of the present invention;

[0020] Figure 5 is a schematic diagram of another steam cooking appliance according to an example of the present invention;

[0021] Figure 6 Flowchart of the control method of the steam cooking appliance according to another embodiment of the present invention;

[0022] Figure 7 is a block diagram of the control device of the steam cooking appliance according to the embodiment of the present invention. Detailed Embodiments

[0023] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention, and should not be construed as a limitation of the present invention.

[0024] The steam cooking appliance, its control method, device, storage medium, and electronic device according to the embodiments of the present invention will be described below with reference to the accompanying drawings.

[0025] In an embodiment of the present invention, the steam cooking appliance includes a cooking cavity, a steam generator, and a water inlet pump.

[0026] Figure 1 It is a flowchart of the control method of the steam cooking appliance according to an embodiment of the present invention.

[0027] As shown in Figure 1 the control method of the steam cooking appliance includes the following steps:

[0028] S11, after receiving a cooking request, control the water inlet pump to pump water at a first preset flow rate, and control the steam generator to heat at a first preset power.

[0029] Specifically, after receiving a cooking request, the steam cooking appliance first performs a self-check. As an example, corresponding sensors such as a water level sensor, a temperature sensor, a pressure sensor, etc. can be preset in the steam cooking appliance, and then it can be determined whether the steam cooking appliance is normal according to the results detected by the sensors; or, the sensors can also be detected to determine whether the sensors are abnormal. For example, the steam cooking appliance can include a water tank assembly and a wastewater box. The water tank assembly is used to store cooking water, and the wastewater box is used to collect the wastewater after cooking. Then a water level sensor can be set in the water tank assembly, and the water level sensor can be one of a contact water level sensor or a non-contact water level sensor. The above contact water level sensor can be a capacitive or pressure water level sensor, and the above non-contact water level sensor can be a radioactive isotope water level sensor; then the water level in the water tank assembly can be detected by the water level sensor. Also, a water level threshold can be preset in advance. Thus, after receiving a cooking request, the water level in the water tank assembly can be detected. If the detected water level is less than the preset water level threshold, a water level insufficient warning will be issued. Among them, the above water level insufficient warning can, for example, preset a warning light on the steam cooking appliance, and then control the warning light to turn on to issue a warning when the water level is detected to be insufficient; or, the user can also install an APP corresponding to the steam cooking appliance on their own mobile terminal, so that when the water level sensor detects that the water level is insufficient, the information of the insufficient water level is sent to the APP on the user's mobile terminal. Or, the water level - water addition amount correspondence table can be pre-tested and stored in a preset memory. Then, after the water level sensor detects that the water level is insufficient, the amount of water that should be added to the water tank assembly can be looked up according to the detected water level, and the amount of water that needs to be added and the information of the insufficient water level are sent to the APP on the user's mobile terminal together.

[0030] Further, the steam cooking appliance can provide multiple alternative cooking modes for the user. Then, after the steam cooking appliance completes self-checking, the cooking mode can be set using the above-mentioned multiple alternative cooking modes. The cooking mode can be the result selected by the user from the above-mentioned multiple alternative cooking modes, that is, the user can set the cooking mode by himself after the steam cooking appliance completes self-checking. Or, the steam cooking appliance can also obtain the alternative cooking mode with the highest usage frequency among the above-mentioned multiple alternative cooking modes and set this cooking mode as the default cooking mode, so that after the steam cooking appliance completes self-checking, the cooking mode is set to the above-mentioned default cooking mode. Or, after the user puts the ingredients into the steam cooking appliance, the user can also input the types of the ingredients, for example, including rice, meat, and vegetables, etc., and the steam cooking appliance selects the cooking mode by itself according to the types of the ingredients. Or, after the user puts the ingredients into the steam cooking appliance, the user can also input the target types of the ingredients, for example, including porridge, cooked rice, soup, etc., and the steam cooking appliance selects the cooking mode by itself according to the target types of the ingredients. Or, the steam cooking appliance can also take a picture of the ingredients through the camera device on it, and then use the deep learning algorithm to judge the types of the ingredients according to the shooting result, and the steam cooking appliance selects the cooking mode by itself according to the types of the ingredients.

[0031] After the cooking mode is set, the steam cooking appliance can start to work, that is, perform the above control on the water inlet pump and the steam generator at the same time.

[0032] S12. When it is detected that the temperature of the steam generator reaches the first preset temperature and the water pumping duration of the water inlet pump reaches the first preset time, control the water inlet pump to pump water at a second preset flow rate, where the second preset flow rate is greater than or equal to the first preset flow rate.

[0033] Specifically, a temperature sensor can be set on the steam generator to detect the temperature of the steam generator in real time.

[0034] Thus, after the steam cooking appliance starts to work, it can first pump water at the first preset flow rate and heat at the first preset power. Since the first preset flow rate is small, steam can be generated quickly, so as to quickly preheat the steam cooking appliance and shorten the cooking time. Then, after the preheating is completed, control the water inlet pump to pump water at the second preset flow rate to generate steam, so as to increase the pressure in the cooking cavity. Among them, the above-mentioned second preset flow rate is preferably greater than the first preset flow rate.

[0035] S13. When it is detected that the air pressure in the cooking cavity reaches the first preset pressure and the temperature in the cooking cavity reaches the second preset temperature, control the steam generator to heat at the second preset power, and control the water inlet pump to pump water at a third preset flow rate until the cooking ends, where the third preset flow rate is less than or equal to the second preset flow rate.

[0036] It should be noted that a pressure valve is provided at the steam outlet of the cooking cavity. The pressure valve is used to provide a first preset pressure, where the first preset pressure is greater than the atmospheric pressure of the environment where the steam cooking appliance is located, and the above-mentioned second preset temperature is greater than or equal to 100 °C. The cooking cavity includes an exhaust interface, which is the steam outlet of the cooking cavity. Furthermore, a temperature sensor and a pressure sensor can be provided in the cooking cavity, and preferably, the pressure sensor is provided at the exhaust interface in the cooking cavity to accurately detect the air pressure at the exhaust interface. Then, the air pressure in the cooking cavity is detected in real time by the pressure sensor, and the temperature in the cooking cavity is detected in real time by the temperature sensor. The pressure valve can be, for example, as Figure 2 shown by the pressure ball. When the air pressure at the exhaust interface is less than the first preset pressure, the pressure ball can seal the exhaust interface, preventing steam from entering the exhaust passage through the exhaust interface, thereby increasing the air pressure in the cooking cavity. When the air pressure at the exhaust interface is greater than the first preset pressure, the steam lifts the pressure ball, and then the steam enters the wastewater box through the exhaust interface, thereby reducing the air pressure in the cooking cavity. By adjusting the weight of the pressure ball, the first preset pressure can be made greater than the atmospheric pressure of the environment where the steam cooking appliance is located, thereby increasing the steam temperature in the cooking cavity and achieving high-temperature and high-pressure cooking of the ingredients. Moreover, since the pressure valve locks the moisture, the ingredients being cooked can be fully in contact with the moisture, further ensuring the nutrition and taste of the ingredients.

[0037] Optionally, the pressure valve can be set as a detachable pressure ball, and then the user can replace the pressure ball according to actual needs. For example, the user can replace the pressure ball with different weights according to the altitude where the steam cooking appliance is located, so that the steam cooking appliance has a wider range of use.

[0038] Alternatively, the pressure valve can also be an electromagnetic valve. By setting a pressure sensor at the exhaust interface in the cooking cavity, the electromagnetic valve is controlled according to the air pressure value detected by the pressure sensor. When the air pressure at the exhaust interface is less than the first preset pressure, the electromagnetic valve closes, preventing steam from entering the exhaust passage through the exhaust interface, thereby increasing the air pressure in the cooking cavity. When the air pressure at the exhaust interface is greater than the first preset pressure, the electromagnetic valve opens, allowing steam to enter the wastewater box through the exhaust interface, thereby reducing the air pressure in the cooking cavity.

[0039] Optionally, if the pressure valve is the above-mentioned electromagnetic valve, the user can adjust the first preset pressure according to actual needs. For example, the user can adjust the first preset threshold according to the altitude where the steam cooking appliance is located. When the detected air pressure value is greater than the first preset pressure, the steam cooking appliance controls the electromagnetic valve to open, so that the steam cooking appliance has a wider range of use.

[0040] Further, after detecting that the air pressure reaches the first preset pressure and the temperature reaches the second preset temperature, it can be determined that the steam cooking appliance has completed pressurization of the cooking cavity. Furthermore, after the steam cooking appliance determines that the pressurization of the cooking cavity is completed, the steam cooking appliance continues to cook the food. Specifically, after controlling the steam generator to heat at the second preset power, if it is detected that the duration of the steam generator heating at the second preset power does not reach the second preset time, or the temperature in the cooking cavity does not reach the third preset temperature; then control the steam generator to continue heating at the second preset power, and control the water inlet pump to pump water continuously at the third preset flow rate. If it is detected that the temperature in the cooking cavity reaches the third preset temperature and the duration reaches the second preset time, then control the steam generator to stop heating and control the water inlet pump to stop pumping water. Thus, the steam cooking appliance can achieve rapid cooking of ingredients by continuously cooking the ingredients at the first preset pressure, thereby improving cooking efficiency and reducing water consumption.

[0041] It should be noted that the above first preset flow rate, first preset power, second preset power, first preset temperature, second preset temperature, third preset temperature, first preset time, second preset time, first preset flow rate, second preset flow rate, and third preset flow rate can be preset fixed values, or can be values obtained according to the cooking mode.

[0042] The following combines Figure 3 the specific examples shown to detail the control method of the steam cooking appliance according to the embodiments of the present invention.

[0043] In this specific example, the above first preset flow rate, first preset power, second preset power, first preset temperature, second preset temperature, third preset temperature, first preset time, second preset time, first preset flow rate, second preset flow rate, and third preset flow rate are all preset fixed values.

[0044] Refer to Figure 4 , the above steam cooking appliance includes 1. a water tank assembly, 2. a body, 3. a pot assembly, 4.1 an exhaust interface and channel, 4.2 a wastewater box, 5. a water pump assembly, 6. a steam generator assembly, and 7. a fan. Among them, the water pump assembly includes the above water inlet pump; the steam generator assembly includes the above steam generator; the pot assembly includes the above cooking cavity. The above water inlet pump can be, for example, an electromagnetic pump, and the electromagnetic pump can be either a DC electromagnetic pump or an AC electromagnetic pump, and it has the characteristic of high temperature resistance; the above steam generator assembly includes, but is not limited to, a steam generator formed by processes such as die-cast aluminum contact type, boiler type, or thick film heating, and its control method operates in a constant power or adjustable power mode. The above steam cooking appliance also includes a power supply unit and an MCU (Micro Control Unit).

[0045] See Figure 5 In this steam cooking appliance, the water circulation path is as follows: water tank assembly → water pump assembly → steam generator assembly → pot assembly → exhaust interface and channel → waste water box.

[0046] Specifically, the above-mentioned feed water pump intakes water from the water tank assembly into the steam generator according to the MCU control instruction. Accordingly, controlling the steam generator can generate steam. The high-temperature steam is input into the pot assembly and finally enters the waste water box through the exhaust interface and channel for cooling and collection. The above-mentioned water tank assembly and waste water box are designed according to the cooking mode and the amount of ingredients. For example, the water tank assembly and the waste water box can be designed according to the cooking modes that the steam cooking appliance can provide, so that the water tank assembly and the waste water box can be used normally in all cooking modes on the premise that their volumes are as small as possible, that is, it is not necessary to add water to the water tank assembly or empty the waste water box during one cooking process.

[0047] After the steam cooking appliance completes the self-check of the status information, by setting the cooking mode, the cooking officially starts. The cooking process includes a preheating stage, a pressurizing stage, and a continuous heating stage.

[0048] After the cooking officially starts, the cooking appliance enters the preheating stage.

[0049] Specifically, the steam cooking appliance first controls the steam generator and the feed water pump to start simultaneously. The steam generator starts and operates at the first preset power W1, and at the same time the feed water pump pumps water at the first preset flow rate C1. At this time, the water intake is small to quickly generate steam. Thus, it can be realized that during the preheating stage, water is supplied with a small amount, and at the same time the steam generator is started synchronously. Since the water intake is small, steam can be generated quickly, so that the time for generating steam can be shortened, and the purpose of quickly preheating the steam cooking appliance can be achieved.

[0050] Furthermore, it is detected whether the temperature a1 of the steam generator reaches the first preset temperature A1, and whether the water intake time t1 of the feed water pump reaches the first preset time T1. Through the "AND" condition, it is judged whether the preprocessing of the startup stage is completed, that is, when and only when both of the above two judgment conditions are satisfied, the MCU judges that the preheating stage is completed.

[0051] After the preheating stage is completed, the steam cooking appliance enters the pressurizing stage.

[0052] Specifically, the MCU controls the feed water pump to pump water at the second preset flow rate C2. Since C2 ≥ C1 and preferably C2 > C1, it can be realized that the steam volume in the cooking cavity is increased, thereby increasing the air pressure in the cooking cavity.

[0053] Further, a pressure sensor is provided at the exhaust interface in the cooking cavity. The pressure sensor is used to detect the air pressure p1 at the exhaust interface in real time, and a temperature sensor can be provided in the cooking cavity to detect the temperature a2 in the cooking cavity in real time. When the air pressure p1 reaches the first preset pressure P and the temperature a2 reaches the second preset temperature A2, the MCU determines that the pressurization stage is completed.

[0054] Among them, the above-mentioned first preset pressure P should be above the normal atmospheric pressure. When the air pressure at the exhaust interface is greater than the first preset pressure, excess steam enters the exhaust passage through the pressure valve, and then enters the waste water box through the exhaust passage for condensation, thereby reducing the air pressure at the exhaust interface. Thus, the pressure in the cooking cavity can be increased, thereby increasing the upper limit of the steam temperature and realizing high-temperature and high-pressure cooking.

[0055] After the pressurization stage is completed, the steam cooking appliance enters the continuous heating stage.

[0056] Specifically, the operating power of the steam generator is adjusted to the second preset power W2, and the water pumping volume of the water inlet pump is adjusted to the third preset flow rate C3. Compared with the pressurization stage, the water pumping volume of the water inlet pump will be appropriately reduced, that is, C2≥C3. Thus, continuous heating can be carried out.

[0057] It should be noted that after adjusting the operating power of the steam generator to the second preset power W2 and adjusting the water pumping volume of the water inlet pump to the third preset flow rate C3, the steam generator is controlled until the cooking ends. Specifically: the temperature sensor detects in real time whether the temperature a3 in the cooking cavity reaches the third preset temperature A3, and whether the continuous heating time t2 of the steam generator at W2 reaches the second preset time T2. If it is detected that a3 reaches A3 and it is detected that t2 reaches the second preset time T2, the MCU determines that the continuous heating stage ends and this cooking is completed.

[0058] Optionally, after adjusting the operating power of the steam generator to the second preset power W2 and adjusting the water pumping volume of the water inlet pump to the third preset flow rate C3, controlling the steam generator until the cooking ends can also be: the temperature sensor detects a3 in real time. If a3 does not reach A3, the water inlet pump is controlled to continuously pump water at the third preset flow rate C3. If it is detected that a3 reaches A3, the water inlet pump is controlled to stop pumping water, and it is detected whether the continuous heating time t2 of the steam generator at W2 reaches the second preset time T2. If it does not reach the second preset time T2, the steam generator continues to heat at W2; if it reaches the second preset time T2, the MCU determines that the continuous heating stage ends and this cooking is completed. Thus, the remaining water in the steam generator can be fully utilized, thereby achieving the purpose of water saving and preventing bacteria from generating due to the accumulation of remaining water in the steam generator.

[0059] In one embodiment of the present invention, the above steam cooking appliance further includes a water pump, as Figure 6 shown, the control method of the above steam cooking appliance further includes:

[0060] S61, obtaining the actual water volume in the cooking cavity.

[0061] S62, determining that there is excess water in the cooking cavity according to the actual water volume, and controlling the water pump to pump out the excess water.

[0062] Specifically, obtain the types and quantities of ingredients in the cooking cavity; determine the target water volume according to the quantity and type of ingredients; detect that the difference between the actual water volume and the target water volume is greater than a preset threshold, and determine that there is excess water in the cooking cavity. Then, pump the excess water from the cooking cavity to the wastewater box through the water pump.

[0063] In one embodiment of the present invention, if the cooking mode determined by the user is a low-sugar cooking mode, and the above steam cooking appliance further includes a water pump, the control method of the above steam cooking appliance may further include: controlling the water pumping valve to pump water from the cooking cavity to the wastewater box at a preset time interval during the cooking process. Thus, the sugar content contained in the ingredients can be reduced.

[0064] In summary, the control method of the steam cooking appliance according to the embodiments of the present invention can first quickly generate steam to preheat the steam cooking appliance, and then increase the pressure and temperature in the cooking cavity by setting a pressure valve at the exhaust interface. The steam is discharged into the wastewater box through the pressure valve only when the steam is excessive and causes too much pressure, realizing that the cooking cavity maintains a high-temperature and high-pressure state, and enabling the ingredients to fully absorb water. Thus, the cooking efficiency can be improved, water can be saved, and the taste of the ingredients can be effectively guaranteed. Moreover, by adjusting the pressure valve, the steam cooking appliance has a wider range of uses.

[0065] Furthermore, the present invention proposes a computer-readable storage medium.

[0066] In the embodiments of the present invention, a computer program is stored on the computer-readable storage medium. When the computer program is executed by a processor, the control method of the above steam cooking appliance is implemented.

[0067] The computer-readable storage medium according to the embodiments of the present invention, when the computer program stored thereon is executed by a processor, can first quickly generate steam to preheat the steam cooking appliance, and then increase the pressure and temperature in the cooking cavity by setting a pressure valve at the exhaust interface. The steam is discharged into the wastewater box through the pressure valve only when the steam is excessive and causes too much pressure, realizing that the cooking cavity maintains a high-temperature and high-pressure state, and enabling the ingredients to fully absorb water. Thus, the cooking efficiency can be improved, water can be saved, and the taste of the ingredients can be effectively guaranteed. Moreover, by adjusting the pressure valve, the steam cooking appliance has a wider range of uses.

[0068] Furthermore, the present invention provides an electronic device.

[0069] In an embodiment of the present invention, the electronic device includes a memory, a processor, and a computer program stored in the memory. When the computer program is executed by the processor, the control method of the above steam cooking appliance is implemented.

[0070] The electronic device according to the embodiment of the present invention, by implementing the above control method of the steam cooking appliance, can first quickly generate steam to preheat the steam cooking appliance, and then increase the pressure and temperature in the cooking cavity by setting a pressure valve at the exhaust interface. The steam is discharged into the waste water box through the pressure valve only when the steam is excessive and causes too much pressure, realizing that the cooking cavity maintains a high temperature and high pressure state, and enabling the food ingredients to fully absorb moisture. Thus, the cooking efficiency can be improved, water can be saved, and the taste of the food ingredients can be effectively guaranteed. Moreover, by adjusting the pressure valve, the steam cooking appliance has a wider range of uses.

[0071] Figure 7 is a structural block diagram of the control device of the steam cooking appliance according to the embodiment of the present invention.

[0072] In an embodiment of the present invention, the steam cooking appliance includes a water inlet valve, a steam generator, and a cooking cavity.

[0073] As Figure 7 shown, the control device 100 of the steam cooking appliance includes a receiving module 101, a detection module 102, and a control module 103.

[0074] Specifically, the receiving module 101 is configured to receive a cooking request; the detection module 102 is configured to detect the water pumping duration of the water inlet pump, the temperature of the steam generator, the temperature in the cooking cavity, and the air pressure in the cooking cavity; the control module 103, the control module 103 is respectively connected to the detection module 102 and the receiving module 101, and is configured to: after receiving the cooking request, control the water inlet pump to pump water at a first preset flow rate, and control the steam generator to heat at a first preset power; when the water pumping duration of the water inlet pump reaches a first preset time and the temperature of the steam generator reaches a first preset temperature, control the water inlet pump to pump water at a second preset flow rate, where the second preset flow rate is greater than or equal to the first preset flow rate; when the temperature in the cooking cavity reaches a second preset temperature and the air pressure in the cooking cavity reaches a first preset pressure, control the steam generator to heat at a second preset power, and control the water inlet pump to pump water at a third preset flow rate until the cooking ends, where the third preset flow rate is less than or equal to the second preset flow rate.

[0075] It should be noted that for other specific implementation manners of the control device of the steam cooking appliance according to the embodiment of the present invention, reference may be made to the above control method of the steam cooking appliance.

[0076] The control device of the steam cooking appliance according to the embodiment of the present invention can first generate steam quickly to preheat the steam cooking appliance, and then increase the pressure and temperature in the cooking cavity by setting a pressure valve at the exhaust interface. The steam is discharged into the waste water box through the pressure valve only when the excessive steam causes too much pressure, so as to keep the cooking cavity in a high-temperature and high-pressure state and enable the food ingredients to fully absorb moisture. Thereby, the cooking efficiency can be improved, water can be saved, and the taste of the food ingredients can be effectively guaranteed. Moreover, by adjusting the pressure valve, the steam cooking appliance has a wider range of uses.

[0077] Further, the present invention provides a steam cooking appliance.

[0078] In the embodiment of the present invention, the steam cooking appliance includes a cooking cavity, a steam generator, a water inlet pump, and the above-mentioned electronic device, or the control device of the above-mentioned steam cooking appliance.

[0079] The steam cooking appliance according to the embodiment of the present invention can first generate steam quickly to preheat the steam cooking appliance through the above-mentioned electronic device, or the control device of the above-mentioned steam cooking appliance, and then increase the pressure and temperature in the cooking cavity by setting a pressure valve at the exhaust interface. The steam is discharged into the waste water box through the pressure valve only when the excessive steam causes too much pressure, so as to keep the cooking cavity in a high-temperature and high-pressure state and enable the food ingredients to fully absorb moisture. Thereby, the cooking efficiency can be improved, water can be saved, and the taste of the food ingredients can be effectively guaranteed. Moreover, by adjusting the pressure valve, the steam cooking appliance has a wider range of uses.

[0080] It should be noted that the logic and / or steps represented in the flowchart or otherwise described herein, for example, can be considered as a definite sequence list of executable instructions for implementing logical functions, and can be specifically implemented in any computer-readable medium for use by an instruction execution system, apparatus, or device (such as a computer-based system, a system including a processor, or other systems that can fetch and execute instructions from the instruction execution system, apparatus, or device), or in combination with these instruction execution systems, apparatus, or devices. For the purposes of this specification, a "computer-readable medium" can be any device that can contain, store, communicate, propagate, or transport a program for use by or in combination with an instruction execution system, apparatus, or device. More specific examples (non-exhaustive list) of computer-readable media include the following: an electrical connection portion with one or more wirings (electronic device), a portable computer diskette (magnetic device), a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium can even be paper or other suitable media on which the program can be printed, because the program can be obtained electronically, for example, by optically scanning the paper or other media, followed by editing, interpretation, or otherwise processing as appropriate, and then stored in a computer memory.

[0081] It should be understood that various parts of the present invention can be implemented using hardware, software, firmware, or a combination thereof. In the above-described embodiments, multiple steps or methods can be implemented using software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented using hardware, as in another embodiment, any one or a combination of the following techniques well known in the art can be used: discrete logic circuits having logic gate circuits for implementing logical functions on data signals, application specific integrated circuits having appropriate combinational logic gate circuits, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.

[0082] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0083] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0084] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0085] In the present invention, unless otherwise clearly specified and limited, the terms "mounted", "connected", "coupled", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0086] In the present invention, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0087] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A control method for a steam cooking appliance, characterized in that, The steam cooking appliance includes a water inlet pump, a steam generator, and a cooking chamber. The control method includes the following steps: After receiving a cooking request, control the water inlet pump to pump water to the steam generator at a first preset flow rate, and control the steam generator to heat at a first preset power; When it is detected that the temperature of the steam generator reaches a first preset temperature and the water pumping duration of the water inlet pump reaches a first preset time, control the water inlet pump to pump water at a second preset flow rate, where the second preset flow rate is greater than or equal to the first preset flow rate; When it is detected that the air pressure in the cooking chamber reaches a first preset pressure and the temperature in the cooking chamber reaches a second preset temperature, control the steam generator to heat at a second preset power, and control the water inlet pump to pump water at a third preset flow rate until cooking ends, where the third preset flow rate is less than or equal to the second preset flow rate.

2. The control method of the steam cooking appliance according to claim 1, wherein, The step of controlling the steam generator to heat at a second preset power and controlling the water inlet pump to pump water at a third preset flow rate until cooking ends includes: When it is detected that the temperature in the cooking chamber does not reach a third preset temperature, or the duration of heating the steam generator at the second preset power does not reach a second preset time, control the steam generator to continuously heat at the second preset power, and control the water inlet pump to continuously pump water at the third preset flow rate; When it is detected that the temperature in the cooking chamber reaches the third preset temperature and the duration reaches the second preset time, control the water inlet pump to stop pumping water, and control the steam generator to stop heating.

3. The control method of the steam cooking appliance according to claim 1, wherein The steam cooking appliance further includes a water extraction pump. The control method further includes: Obtain the actual water volume in the cooking chamber; When it is determined that there is excess water in the cooking chamber according to the actual water volume, control the water extraction pump to extract the excess water.

4. The control method of the steam cooking appliance according to claim 3, characterized in that, The step of determining that there is excess water in the cooking chamber according to the actual water volume includes: Obtain the quantity and type of ingredients in the cooking chamber; Determine a target water volume according to the quantity and type of the ingredients; When it is detected that the difference between the actual water volume and the target water volume is greater than a preset threshold, determine that there is excess water in the cooking chamber.

5. The control method of the steam cooking appliance according to claim 1, characterized in that, A pressure valve is provided at the steam outlet of the cooking chamber. The pressure valve is used to provide the first preset pressure, where the first preset pressure is greater than the atmospheric pressure of the environment where the steam cooking appliance is located.

6. The control method of the steam cooking appliance according to claim 1, characterized in that, The second preset temperature is greater than or equal to 100 °C.

7. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by a processor, it implements the control method of the steam cooking appliance according to any one of claims 1-6.

8. An electronic device, comprising a memory, a processor, and a computer program stored on the memory, characterized in that When the computer program is executed by the processor, it implements the control method of the steam cooking appliance according to any one of claims 1-6.

9. A control device for a steam cooking appliance, characterized in that, The steam cooking appliance includes a water inlet pump, a steam generator, and a cooking chamber. The control device includes: A receiving module, configured to receive a cooking request; A detection module, configured to detect the temperature of the steam generator, the water pumping duration of the water inlet pump, the air pressure in the cooking chamber, and the temperature in the cooking chamber; A control module, the control module is respectively connected to the receiving module and the detection module, and is configured to: After receiving a cooking request, control the water inlet pump to pump water to the steam generator at a first preset flow rate, and control the steam generator to heat at a first preset power; When the temperature of the steam generator reaches a first preset temperature and the water pumping duration of the water inlet pump reaches a first preset time, control the water inlet pump to pump water at a second preset flow rate, where the second preset flow rate is greater than or equal to the first preset flow rate; When the air pressure in the cooking cavity reaches a first preset pressure and the temperature in the cooking cavity reaches a second preset temperature, control the steam generator to heat at a second preset power, and control the water inlet pump to pump water at a third preset flow rate until the cooking ends, where the third preset flow rate is less than or equal to the second preset flow rate.

10. A steam cooking appliance, characterized in that, It includes a water inlet pump, a steam generator, a cooking cavity, and the electronic device as claimed in claim 8, or the control device of the steam cooking appliance as claimed in claim 9.

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