A cooking appliance that quickly produces steam.

Abstract

This invention discloses a cooking appliance for rapid steam generation, belonging to the field of food processing technology, aiming to overcome the shortcomings of existing steamers with low steam generation efficiency. The cooking appliance includes a pot body, which includes an inner pot. The inner pot has a steam generating section, which includes a dividing ring and a heating plate. The dividing ring separates a steam generating chamber within a water-filled cavity. A drain section is provided within the steam generating chamber to create two steam generation zones with different liquid levels. The heating plate includes a heating tube and a heat-conducting plate. A low-water-level steam generation zone is formed between the heat-conducting plate and the drain section. A protruding ring is provided around the drain section on the heat-conducting plate to form a high-water-level steam generation zone, and the heating tube is positioned corresponding to the protruding ring. The higher-temperature protruding ring protrudes upwards, creating a larger contact surface between the higher-temperature portion of the heating plate and the water in the steam generating chamber, increasing the heating speed of the water in the high-water-level steam generation zone and improving the steam generation efficiency.

Description

Technical Field

[0001] This invention belongs to the field of food processing technology and relates to a cooking appliance that generates steam quickly. Background Technology

[0002] Traditional steamers consist of a steaming rack and an inner pot. The steaming rack is placed inside the inner pot, and food is placed on the rack. The inner pot is filled with water, and a heating plate heats the water in the inner pot to generate steam. This steam then cooks the food on the steaming rack. The inner pot has a water-filled cavity, and the heating plate is located at the bottom of the water-filled cavity. The heating plate heats a large area of ​​water in the cavity, resulting in relatively low heating efficiency.

[0003] In the prior art, such as the electric steamer disclosed in CN201020263419.3 that generates steam quickly, the steam shroud has a double-layer structure with an outer wall and an inner wall, and the area between the outer wall and the inner wall corresponds to the electric heating tube; however, when it is working, the steam generation speed is still very slow, and there is room for further improvement. Summary of the Invention

[0004] This invention addresses the problems of existing technologies by proposing a cooking appliance that generates steam quickly, aiming to overcome the shortcomings of existing steamers in terms of low steam generation efficiency.

[0005] This invention is implemented as follows:

[0006] A cooking appliance that generates steam quickly includes a pot body, the pot body including an inner pot having a water-filling cavity; the inner pot is provided with a steam generating part, the steam generating part including a partition ring and a heating plate disposed within the partition ring, the partition ring at least dividing the water-filling cavity into a steam generating cavity, and the heating plate being located at the bottom of the steam generating cavity;

[0007] The steam generating chamber is equipped with a drainage section to form two steam generating zones with different liquid heights within the steam generating chamber.

[0008] The heating plate includes a heating tube and a heat-conducting plate. A low-water-level steam generation zone is provided between the heat-conducting plate and the drainage section. A protruding ring is provided around the drainage section of the heat-conducting plate to form a high-water-level steam generation zone. The heating tube is arranged corresponding to the protruding ring.

[0009] When steam cooking, place the food on the steaming rack, fill the water-filled cavity of the pot with an appropriate amount of water, and the heating plate heats the water in the water-filled cavity to generate steam. The steam enters the steaming rack to cook the food on the rack.

[0010] The partition ring separates the water chamber from the steam generation chamber. The heating plate is located inside the partition ring, corresponding to the steam generation chamber. The heating plate selectively heats the water in the steam generation chamber, allowing the water in the steam generation chamber to be heated preferentially. This avoids the heating plate directly heating the water in the entire water chamber. The heating plate with the same power heats a smaller amount of water, increasing the temperature rise rate of the water in the steam generation chamber and increasing the speed of steam generation.

[0011] The steam generating chamber is equipped with a drainage section, creating low-water-level and high-water-level steam generating zones. The drainage section further reduces the volume of the steam generating chamber, thereby reducing the amount of water and increasing the steam generation rate. The heating plate generates heat through energized heating tubes, which then transfer the heat to the heat-conducting plate. The heating tubes are the direct heat-generating points on the heating plate, representing the highest temperature. These tubes are positioned opposite a protruding ring, resulting in a higher temperature ring than other areas of the heat-conducting plate. This concentrated heating of the high-water-level steam generating zone further accelerates the temperature rise and increases the steam generation rate. The upward protrusion of the ring creates a larger contact surface between the hotter heating plate and the water in the steam generating chamber, facilitating greater heat transfer from the heating tubes to the water in the high-water-level zone, thus increasing the heating rate and improving steam generation efficiency.

[0012] Preferably, the water-filled cavity further comprises a waiting-to-heat cavity and a heat-insulating cavity, the separating ring has a flow gap to connect the heat-insulating cavity and the steam-generating cavity, and the separating ring has a water passage to connect the steam-generating cavity and the waiting-to-heat cavity.

[0013] The dividing ring separates the water chamber into a steam generating chamber and a waiting-to-heat chamber. The water in the steam generating chamber is heated before the water in the waiting-to-heat chamber. After the water volume in the steam generating chamber decreases due to steam generation, the water in the waiting-to-heat chamber will flow into the steam generating chamber through the water passage to replenish the water volume in the steam generating chamber, ensuring that the steam generating chamber has a sufficient amount of water for cooking.

[0014] The insulation chamber is specifically located on the partition ring. It effectively prevents heat from the steam generating chamber from being transferred to the waiting chamber through the partition ring, reducing heat loss from the steam generating chamber to the waiting chamber. Hot water from the steam generating chamber can flow into the insulation chamber through the flow gap, rapidly reducing the temperature difference between the insulation chamber and the steam generating chamber, further reducing heat transfer from the steam generating chamber to the waiting chamber, and further reducing heat loss from the steam generating chamber. By concentrating heating in the steam generating chamber while reducing heat loss, the heating rate of the water in the steam generating chamber is increased, accelerating steam generation efficiency and increasing the amount of steam in the steaming rack. This allows the steam to more thoroughly contact all parts of the food, thereby increasing cooking speed, reducing user waiting time, improving user experience, and also improving the evenness of food heating.

[0015] Preferably, the protruding ring is provided with a water inlet, which supplies water to the low-water-level steam generation zone. The water inlet ensures that water in the waiting-to-heat chamber can be replenished to the low-water-level steam generation zone, preventing the low-water-level steam generation zone from running dry due to lack of water.

[0016] Preferably, the separating ring includes a first partition wall located between the insulation cavity and the steam generating cavity, and the flow gap is located at the upper end of the first partition wall. A larger flow gap can reduce or prevent water in the insulation cavity from flowing back into the steam generating cavity, thereby lowering the water temperature in the steam generating cavity and improving the steam generation rate.

[0017] Preferably, the partition ring includes a second partition wall located between the insulation cavity and the heating cavity, the second partition wall being sealed to prevent water from the heating cavity from entering the insulation cavity; this ensures that cold water from the heating cavity will not enter the insulation cavity, which is beneficial for maintaining the water in the insulation cavity at a higher temperature.

[0018] Alternatively, a second partition wall exists between the insulation chamber and the waiting-to-heat chamber. The upper end of the second partition wall has a water outlet, which is positioned below the flow gap. The water outlet is located at the upper end of the second partition wall, at a higher position, so that it is above the water level in the waiting-to-heat chamber. This prevents cold water from the waiting-to-heat chamber from rushing up and entering the insulation chamber through the outlet. Hot water from the steam generating chamber flows into the insulation chamber through the flow gap. Due to the influence of the waiting-to-heat chamber, the water temperature in the insulation chamber is lower than that in the steam generating chamber. When the water level in the insulation chamber reaches the height of the outlet, the water can flow out from the outlet into the waiting-to-heat chamber. This prevents water in the insulation chamber from flowing back into the steam generating chamber through the flow gap, thus lowering the temperature of the water in the steam generating chamber. It also prevents water from the insulation chamber from blocking the flow gap, making it difficult for water from the steam generating chamber to enter the insulation chamber. This ensures a continuous supply of hot water to the insulation chamber, thereby improving the insulation effect.

[0019] Preferably, the inner pot is provided with an energy-concentrating element and a steaming rack, the drainage part is located on the energy-concentrating element, and the partition ring includes a first partition wall and a heat-insulating bottom wall integrally connected to the energy-concentrating element, and a second partition wall integrally connected to the steaming rack, the lower end of the second partition wall abutting against the heat-insulating bottom wall; the heat-insulating cavity is assembled and enclosed by the partial structure of the energy-concentrating element and the steaming rack, which facilitates the processing and production of the partition ring and reduces the processing difficulty.

[0020] A gap exists between the first partition wall and the steam rack to form the flow gap. This eliminates the need to machine the flow gap into the first partition wall; the flow gap is naturally formed by the assembly of the steam rack and the energy-concentrating component, reducing processing steps and improving production efficiency. Alternatively, the first partition wall may have through holes to form the flow gap.

[0021] Preferably, the energy-concentrating component includes a top wall connecting the first partition wall and the drainage section. The top wall is higher than the insulation bottom wall and has a water passage hole. The drainage section has a convex wall extending upward relative to the top wall, and the convex wall abuts against the bottom of the steam rack. Steam in the steam generation chamber enters the steam rack after passing through the water passage hole. When water in the steam generation chamber boils and rises, some water enters the insulation chamber through the flow gap. The convex wall prevents water from flowing into the drainage chamber, avoiding water accumulation and waste.

[0022] Preferably, the steaming rack and the energy-concentrating component have a detachable fixing structure. During installation, the steaming rack and the energy-concentrating component can be fixed together first, and then the two as a whole can be placed into the inner pot. When the flow gap is higher than the water level in the water-holding cavity, cold water in the inner pot can be prevented from entering the heat preservation cavity after the steaming rack and the energy-concentrating component are placed into the inner pot. This ensures that the heat preservation cavity is filled with air rather than cold water during the initial stage of cooking, so that the heat preservation cavity can play a better role in heat preservation.

[0023] After some of the hot water in the steam generating chamber flows into the insulation chamber through the flow gap, the insulation water in the insulation chamber can be kept at a higher temperature and will not be cooled by cold water. This helps the insulation chamber to quickly reach the optimal insulation state and accelerates the steam generation rate in the steam generating chamber.

[0024] Preferably, the drainage section has a drainage cavity and a drainage bottom wall to separate the drainage cavity from the steam generating cavity. This prevents water from the steam generating cavity from entering the drainage cavity, increases the space occupied by the drainage section in the steam generating cavity, further reduces the amount of water in the steam generating cavity, and allows the water temperature in the steam generating cavity to rise more quickly, thereby increasing the steam generation rate.

[0025] Preferably, the lower end of the separator ring and the lower end of the drain section are lower than the upper end of the heating tube. The separator ring and the drain section are located on both sides of the heating tube. During installation, the protruding position of the heating plate at the heating tube can guide and position the energy-concentrating component, avoiding serious deviations in the position of the energy-concentrating component that would make it difficult to install the steam rack. This reduces the difficulty of assembling and aligning the energy-concentrating component and the steam rack, and improves assembly efficiency.

[0026] The present invention provides a cooking appliance for rapid steam generation, wherein the high-temperature protruding ring protrudes upward, and the high-temperature position of the heating plate forms a larger contact surface with the water in the steam generation chamber, which is conducive to the transfer of more heat generated by the heating tube to the water in the high-water-level steam generation zone, thereby increasing the heating speed of the water in the high-water-level steam generation zone and improving the efficiency of steam generation. Attached Figure Description

[0027] Figure 1 This is a cross-sectional structural diagram of the pot body;

[0028] Figure 2 for Figure 1 A magnified view of part A in the middle;

[0029] Figure 3 This is a schematic diagram of the exploded structure of the pot body;

[0030] Figure 4 This is a schematic diagram of the energy-concentrating element;

[0031] Figure 5 This is a schematic diagram of the heating plate structure;

[0032] Figure 6 This is a schematic diagram of the structure of an air fryer.

[0033] Figure labeling: 100, Pot body; 200, Inner pot; 210, Water chamber; 211, Steam generating chamber; 212, Waiting-to-heat chamber; 213, Low water level steam generating zone; 214, High water level steam generating zone; 220, Separating ring; 300, Steaming rack; 310, Second partition wall; 400, Heating plate; 410, Heating tube; 420, Heat-conducting plate; 421, Protruding ring; 430, Water outlet; 500, Insulation chamber; 510, Flow gap; 600, Energy-concentrating element; 610, First partition wall; 620, Insulation bottom wall; 621, Water passage; 630, Drainage section; 631, Drainage chamber; 632, Protruding wall; 640, Top wall; 641, Water passage hole; 700, Baking assembly. Detailed Implementation

[0034] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings, so as to make the technical solution of the present invention easier to understand and master. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0035] This embodiment provides a steamer, which is a specific application of the innovative solution of the present invention in a steamer. The innovative solution of the present invention can also be applied to cooking appliances with steaming functions, such as stew pots, steam stew pots or rice cookers.

[0036] like Figure 1-5 As shown, the steamer includes a pot body 100, which includes an inner pot 200 having a water-holding cavity 210. The inner pot 200 is provided with a steam generating section, which includes a partition ring 220 and a heating plate 400 disposed within the partition ring 220. The partition ring 220 at least separates a steam generating cavity 211 within the water-holding cavity 210, and the heating plate 400 is located at the bottom of the steam generating cavity 211. A drain section 630 is provided within the steam generating cavity 211 to form two steam generating zones with different liquid heights within the steam generating cavity 211. The heating plate 400 includes a heating tube 410 and a heat-conducting plate 420. A low-water-level steam generating zone 213 is provided between the heat-conducting plate 420 and the drain section 630. The heat-conducting plate 420 is provided with a protruding ring 421 around the drain section 630 to form a high-water-level steam generating zone 214. The heating tube 410 is disposed corresponding to the protruding ring 421.

[0037] During steam cooking, food is placed on the steam rack 300, and an appropriate amount of water is filled into the water-filling cavity 210 of the pot body 100. The heating plate 400 heats the water in the water-filling cavity 210 to generate steam, which enters the steam rack 300 to cook the food in the steam rack 300.

[0038] The partition ring 220 separates the water chamber 210 into a steam generating chamber 211. The heating plate 400 is located inside the partition ring 220, that is, the heating plate 400 is set corresponding to the steam generating chamber 211. The heating plate 400 selectively heats the water in the steam generating chamber 211, so that the water in the steam generating chamber 211 is heated first, avoiding the heating plate 400 from directly heating the water in the entire water chamber 210. The heating plate 400 with the same power heats a smaller amount of water, thereby increasing the temperature rise rate of the water in the steam generating chamber 211 and increasing the steam generation rate.

[0039] The steam generating chamber 211 is equipped with a drainage section 630, which divides the steam generating chamber 211 into a low-water-level steam generating zone 213 and a high-water-level steam generating zone 214. The drainage section 630 can further reduce the volume of the steam generating chamber 211, thereby reducing the amount of water in the steam generating chamber 211 and further increasing the steam generation rate in the steam generating chamber 211. The heating plate 400 generates heat by energizing the heating tube 410, which then transfers the heat to the heat-conducting plate 420. The heating tube 410 is the location where the heating plate 400 directly generates heat and is the location with the highest temperature in the heating plate 400. The heating tube 410 is set corresponding to the protruding ring 421, so the temperature of the protruding ring 421 is higher than the temperature of other locations on the heat-conducting plate 420. Through the protruding ring 421 with the highest temperature in the heating plate 400, the high-water-level steam generating zone 214 is further heated in a concentrated manner, further increasing the rate of water temperature rise in the high-water-level steam generating zone 214 and further increasing the steam generation rate. The protruding ring 421 protrudes upwards, and the position of the heating plate 400 with a higher temperature forms a larger contact surface with the water in the steam generating chamber 211. This is beneficial for more of the heat generated by the heating tube 410 to be transferred to the water in the high water level steam generating zone 214, thereby increasing the heating speed of the water in the high water level steam generating zone 214 and improving the efficiency of steam generation.

[0040] like Figure 1 , 2 As shown, the water-filled cavity 210 also has a waiting-to-heat cavity 212 and a heat-insulating cavity 500. The separating ring 220 has a flow gap 510 to connect the heat-insulating cavity 500 and the steam generating cavity 211. The separating ring 220 has a water passage 621 to connect the steam generating cavity 211 and the waiting-to-heat cavity 212.

[0041] The dividing ring 220 divides the water chamber 210 into a steam generating chamber 211 and a waiting chamber 212. The water in the steam generating chamber 211 is heated before the water in the waiting chamber 212. After the water volume in the steam generating chamber 211 decreases due to the generation of steam, the water in the waiting chamber 212 will flow into the steam generating chamber 211 through the water passage 621 to replenish the water volume of the steam generating chamber 211, ensuring that the steam generating chamber 211 has a more sufficient water volume for cooking.

[0042] The heat preservation cavity 500 is specifically located on the partition ring 220. The heat preservation cavity 500 effectively prevents heat from the steam generating cavity 211 from being transferred to the waiting-to-heat cavity 212 through the partition ring 220, reducing heat loss from the steam generating cavity 211 to the waiting-to-heat cavity 212. Hot water from the steam generating cavity 211 can flow into the heat preservation cavity 500 through the flow gap 510, thereby quickly reducing the temperature difference between the heat preservation cavity 500 and the steam generating cavity 211, reducing the heat transfer from the steam generating cavity 211 to the waiting-to-heat cavity 212, and further reducing heat loss from the steam generating cavity 211. While centrally heating the steam generating cavity 211, this reduces heat loss from the steam generating cavity 211, further increasing the heating rate of the water in the steam generating cavity 211, accelerating steam generation efficiency, and increasing the amount of steam in the steaming rack 300. This allows the steam to more fully contact all parts of the food, thereby increasing cooking speed, reducing user waiting time, improving user experience, and also helping to improve the uniformity of food heating.

[0043] In other alternatives, the separator ring 220 can also be a solid retaining ring structure. The retaining ring structure can be made of the same material as the steam rack 300 and integrally formed with it. Alternatively, the retaining ring structure can be made of a different material than the steam rack 300 and can be detachably fixed to the steam rack 300 using snap-fit ​​or other methods. For example, the retaining ring structure can be made of insulating materials such as silicone. In other alternatives, the insulation cavity 500 can also be a closed structure without the flow gap 510. For example, the insulation cavity 500 can be filled with ordinary air, or filled with insulating material, or the insulation cavity 500 can be a vacuum layer.

[0044] like Figure 5 As shown, the protruding ring 421 is provided with a water inlet 430, which supplies water to the low-water-level steam generation zone 213. The water inlet 430 ensures that the water in the waiting-to-heat chamber 212 can be replenished to the low-water-level steam generation zone 213, preventing the low-water-level steam generation zone 213 from running dry due to lack of water.

[0045] like Figure 1 , 2 As shown, the partition ring 220 includes a first partition wall 610 located between the insulation cavity 500 and the steam generating cavity 211, and the flow gap 510 is located at the upper end of the first partition wall 610. A higher flow gap 510 can reduce or prevent water in the insulation cavity 500 from flowing back into the steam generating cavity 211, thereby lowering the water temperature in the steam generating cavity 211 and improving the steam generation rate.

[0046] like Figure 1 , 2As shown, the partition ring 220 includes a second partition wall 310 located between the heat preservation cavity 500 and the heat-receiving cavity 212. The second partition wall 310 is sealed to prevent water from the heat-receiving cavity 212 from entering the heat preservation cavity 500. This ensures that cold water from the heat-receiving cavity 212 will not enter the heat preservation cavity 500, which is beneficial for maintaining the water in the heat preservation cavity 500 at a higher temperature.

[0047] In other alternative embodiments, the insulation cavity 500 may also be connected to the heat-receiving cavity 212. Specifically, a second partition wall 310 is provided between the insulation cavity 500 and the heat-receiving cavity 212. The upper end of the second partition wall 310 has a water outlet, which is positioned below the flow gap 510. The water outlet is located at the upper end of the second partition wall 310, which is relatively high, so that the water outlet can be positioned above the water level line of the heat-receiving cavity 212. This prevents cold water in the heat-receiving cavity 212 from rushing up and entering the insulation cavity 500 through the water outlet, thus avoiding cold water entering the insulation cavity 500. Hot water from the steam generating chamber 211 flows into the insulation chamber 500 through the flow gap 510. Due to the influence of the waiting chamber 212, the water in the insulation chamber 500 will be colder than the water in the steam generating chamber 211. When the water level in the insulation chamber 500 reaches the height of the outlet, the water in the insulation chamber 500 can flow out from the outlet into the waiting chamber 212. This prevents the water in the insulation chamber 500 from flowing back into the steam generating chamber 211 through the flow gap 510, thus reducing the temperature of the water in the steam generating chamber 211. It also prevents the water in the insulation chamber 500 from being blocked in the flow gap 510, making it difficult for the water in the steam generating chamber 211 to enter the insulation chamber 500. This ensures that hot water continuously enters the insulation chamber 500, thereby improving the insulation effect.

[0048] In other optional embodiments, the partition ring 220 may be provided with a flow channel connecting the insulation cavity 500 and the waiting-to-heat cavity 212. The flow channel corresponds to the lower end of the insulation cavity 500. During the process of steam generation in the steam generating cavity 211, the steam can enter the insulation cavity 500 through the flow gap 510, generating a certain pressure on the cold water in the insulation cavity 500, causing the cold water to be discharged from the flow channel into the waiting-to-heat cavity 212, thereby keeping the insulation cavity 500 in a relatively hot state and improving the insulation effect.

[0049] like Figure 1-4As shown, the inner pot 200 is equipped with an energy-concentrating element 600 and a steaming rack 300. The drainage part 630 is located on the energy-concentrating element 600. The partition ring 220 includes a first partition wall 610 and a heat-insulating bottom wall 620 integrally connected to the energy-concentrating element 600, and a second partition wall 310 integrally connected to the steaming rack 300. The lower end of the second partition wall 310 abuts against the heat-insulating bottom wall 620. The heat-insulating cavity 500 is assembled and enclosed by the partial structures of the energy-concentrating element 600 and the steaming rack 300, which facilitates the processing and production of the partition ring 220 and reduces the processing difficulty. In other optional embodiments, the partition ring 220 can also be fixed as a whole to the steaming rack 300. Specifically, the first partition wall 610, the heat-insulating bottom wall 620, and the second partition wall 310 are welded and fixed to form the heat-insulating cavity 500. In embodiments with a flow channel, there can also be a gap between the second partition wall 310 and the heat-insulating bottom wall 620, which can serve as a flow channel. In addition, the flow channel can also be a through hole formed on the second partition wall 310.

[0050] like Figure 2 As shown, a gap exists between the first partition wall 610 and the steam rack 300 to form the flow gap 510. This eliminates the need to machine the flow gap 510 into the first partition wall 610; the flow gap 510 is naturally formed by the assembly of the steam rack 300 and the energy-concentrating component 600, reducing processing steps and improving production efficiency. In other optional embodiments, the first partition wall 610 is provided with through holes to form the flow gap 510.

[0051] like Figure 1-4 As shown, the drainage section 630 has a drainage cavity 631, and the drainage section 630 has a drainage bottom wall to separate the drainage cavity 631 from the steam generating cavity 211. This prevents water in the steam generating cavity 211 from entering the drainage cavity 631, increases the space occupied by the drainage section 630 in the steam generating cavity 211, further reduces the amount of water in the steam generating cavity 211, and allows the water temperature in the steam generating cavity 211 to rise more quickly, thereby increasing the steam generation rate.

[0052] like Figure 2 , 4As shown, the energy-concentrating component 600 includes a top wall 640 connecting the first partition wall 610 and the drainage section 630. The top wall 640 is higher than the insulation bottom wall 620. The top wall 640 has a water passage hole 641. The drainage section 630 has a convex wall 632 extending upward relative to the top wall 640, and the convex wall 632 abuts against the bottom of the steam rack 300. Steam in the steam generating chamber 211 enters the steam rack 300 after passing through the water passage hole 641. When the water in the steam generating chamber 211 boils and surges upward, some water enters the insulation chamber 500 through the flow gap 510. The convex wall 632 can prevent water from rushing into the drainage chamber 631, avoiding water accumulation in the drainage chamber 631 and preventing water waste.

[0053] In this embodiment, the heat-insulating bottom wall 620 abuts against the bottom of the inner pot 200, and the steam rack 300 abuts against the heat-insulating bottom wall 620 and the convex wall 632. During installation, the energy-concentrating component 600 and the steam rack 300 can be placed into the inner pot 200 one after the other.

[0054] In other optional embodiments, the steaming rack 300 and the energy-concentrating component 600 have a detachable fixing structure. For example, the steaming rack 300 and the energy-concentrating component 600 can be detachably connected by a snap-fit. During installation, the steaming rack 300 and the energy-concentrating component 600 can be fixed together first, and then the two as a whole can be placed into the inner pot 200. When the flow gap 510 is higher than the water level in the water-holding cavity 210, cold water in the inner pot 200 can be prevented from entering the heat preservation cavity 500 after the steaming rack 300 and the energy-concentrating component 600 are placed into the inner pot 200. This ensures that the heat preservation cavity 500 is filled with air rather than cold water in the early stage of cooking, so that the heat preservation cavity 500 can play a better heat preservation and insulation role. After some of the hot water in the steam generating chamber 211 flows into the insulation chamber 500 through the flow gap 510, the insulation water in the insulation chamber 500 can be kept at a higher temperature and will not be cooled by cold water. This is conducive to the insulation chamber 500 quickly reaching the best insulation state and accelerating the steam generation rate in the steam generating chamber 211.

[0055] like Figure 2 As shown, the lower end of the separating ring 220 and the lower end of the drain section 630 are lower than the upper end of the heating tube 410. The separating ring 220 and the drain section 630 are located on both sides of the heating tube 410. During installation, the protruding position of the heating plate 400 at the heating tube 410 can guide and position the energy-concentrating component 600, avoiding serious deviations in the position of the energy-concentrating component 600 that would make it difficult to install the steam rack 300. This reduces the difficulty of assembling and aligning the energy-concentrating component 600 and the steam rack 300, and improves assembly efficiency.

[0056] like Figure 6As shown in another embodiment of this application, the cooking appliance is an air fryer. The air fryer's body 100 has an inner pot 200, into which the aforementioned steam generator can be placed to achieve rapid steam generation. The air fryer's steaming function can be used in conjunction with the top baking assembly 700 to cook the food in the inner pot at different times, or it can be used alone by the steam generator to steam the food in the inner pot, thus realizing the air fryer's multi-functionality.

[0057] In the description of this invention, it should be understood that the terms "center", "lateral", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0058] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified. In this invention, unless otherwise explicitly specified and limited, the terms "installed," "connected," "joined," "fixed," etc., should be interpreted broadly. For example, they may refer to a fixed connection, a detachable connection, or an integral part; they may refer to a direct connection or an indirect connection through an intermediate medium; they may refer to the internal communication of two elements or the interaction between two elements. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0059] Those skilled in the art should understand that although the embodiments of the present invention have been disclosed above, the content described is merely for the purpose of facilitating understanding of the embodiments of the present invention and is not intended to limit the embodiments of the present invention. Any person skilled in the art to which the embodiments of the present invention pertains may make any modifications and changes in the form and details of the implementation without departing from the spirit and scope disclosed in the embodiments of the present invention; however, the patent protection scope of the embodiments of the present invention shall still be determined by the scope defined in the appended claims.

Claims

1. A cooking appliance for rapid steam generation, comprising a steam rack and a pot body, the pot body comprising an inner pot having a water-filling cavity; the inner pot having a steam generating section, the steam generating section comprising a partition ring and a heating plate disposed within the partition ring, the partition ring at least separating a steam generating cavity within the water-filling cavity, the heating plate being located at the bottom of the steam generating cavity; food is placed on the steam rack, and steam enters the steam rack to cook the food in the steam rack; Its features are, The steam generating chamber is equipped with a drainage section to form two steam generating zones with different liquid heights within the steam generating chamber. The heating plate includes a heating tube and a heat-conducting plate. A low-water-level steam generation zone is provided between the heat-conducting plate and the drainage section. A protruding ring is provided around the drainage section of the heat-conducting plate to form a high-water-level steam generation zone. The heating tube is arranged corresponding to the protruding ring.

2. The cooking appliance for rapid steam generation according to claim 1, characterized in that, The water-filled chamber also includes a waiting-to-heat chamber and a heat-insulating chamber. The separating ring has a flow gap to connect the heat-insulating chamber and the steam-generating chamber, and the separating ring has a water passage to connect the steam-generating chamber and the waiting-to-heat chamber.

3. A cooking appliance for rapid steam generation according to claim 1, characterized in that, The protruding ring is provided with a water inlet, which supplies water to the low-level steam generation zone.

4. A cooking appliance for rapid steam generation according to claim 2, characterized in that, The partition ring includes a first partition wall located between the insulation cavity and the steam generating cavity, and the flow gap is located at the upper end of the first partition wall.

5. A cooking appliance for rapid steam generation according to claim 2, characterized in that, The partition ring includes a second partition wall located between the insulation cavity and the heating cavity, the second partition wall being sealed to prevent water from the heating cavity from entering the insulation cavity; Alternatively, a second partition wall may be provided between the heat preservation cavity and the heat-receiving cavity, and the upper end of the second partition wall may have a water outlet, the position of which is lower than the flow gap.

6. A cooking appliance for rapid steam generation according to any one of claims 2, characterized in that, The inner pot is provided with an energy-concentrating component and the steaming rack. The drainage part is located on the energy-concentrating component. The partition ring includes a first partition wall and a heat-insulating bottom wall integrally connected to the energy-concentrating component, and a second partition wall integrally connected to the steaming rack. The lower end of the second partition wall abuts against the heat-insulating bottom wall. There is a gap between the first partition wall and the steam rack to form the flow gap, or the first partition wall is provided with a through hole to form the flow gap.

7. A cooking appliance for rapid steam generation according to claim 6, characterized in that, The energy-concentrating component includes a top wall connecting the first partition wall and the drainage section. The top wall is higher than the insulation bottom wall and has a water passage hole. The drainage section has a convex wall extending upward relative to the top wall, and the convex wall abuts against the bottom of the steam rack.

8. A cooking appliance for rapid steam generation according to claim 6, characterized in that, The steam rack and the energy-concentrating component have a detachable fixing structure.

9. A cooking appliance for rapid steam generation according to any one of claims 1-8, characterized in that, The drainage section has a drainage cavity and a drainage bottom wall to separate the drainage cavity from the steam generating cavity.

10. A cooking appliance for rapid steam generation according to any one of claims 1-8, characterized in that, The lower end of the separator ring and the lower end of the drain section are lower than the upper end of the heating tube.

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