Pot body assembly and air fryer

Abstract

The utility model discloses a kind of pot body assembly and air fryer, pot body assembly includes inner pot and heat storage plate, inner pot includes bottom plate, heat storage plate is connected with bottom plate, the specific heat capacity of heat storage plate is greater than or equal to the specific heat capacity of bottom plate.The pot body assembly provided by the utility model has the advantages of high stability of bottom roasting of food materials, good uniformity of coloring and taste of food materials.

Description

Technical Field

[0001] This utility model relates to the field of cooking appliance technology, specifically to a pot body assembly and an air fryer. Background Technology

[0002] To address the issue of insufficient heating of the bottom surface of food, air fryers typically add a heating element at the bottom to supplement heating below the frying basket, in addition to the top hot air assembly. However, due to the convection of hot air, it is difficult to maintain a stable high temperature at the bottom of the pot. Furthermore, the metal layer of the inner pot acts as a barrier, making it difficult for the bottom heating element to effectively heat the inner cavity of the pot. This results in inconsistent coloring of the food on the top and bottom surfaces and poor texture. Utility Model Content

[0003] This utility model aims to at least partially solve one of the technical problems in the related art.

[0004] Therefore, embodiments of this utility model propose a pot body assembly that has the advantages of high stability in bottom baking of food and good uniformity in coloring and texture of food.

[0005] An embodiment of this utility model also proposes an air fryer.

[0006] The pot assembly of this utility model embodiment includes an inner pot and a heat storage plate, the inner pot including a bottom plate; the heat storage plate is connected to the bottom plate, and the specific heat capacity of the heat storage plate is greater than or equal to the specific heat capacity of the bottom plate.

[0007] According to the pot assembly of this utility model embodiment, the bottom plate of the inner pot is connected to the heat storage plate. The bottom heating component of the air fryer simultaneously heats the bottom plate and the heat storage plate. By setting the specific heat capacity of the heat storage plate to be greater than or equal to the specific heat capacity of the bottom plate, it is ensured that the heat storage of the heat storage plate is greater than or equal to the heat storage of the bottom plate under the same volume. At this time, when the bottom heating component stops working, the heat storage of the heat storage plate and the heat storage of the bottom plate can maintain the high temperature state of the bottom of the inner pot for a longer time, effectively avoiding the excessive temperature difference change at the bottom of the inner pot, which would lead to insufficient baking of the lower surface of the food. The food has better coloring and texture uniformity on both the upper and lower surfaces.

[0008] Optionally, the wall thickness of the heat storage plate is equal at any position, and the thickness of the heat storage plate is L, wherein 0.5mm≤L≤20mm.

[0009] The pot body assembly of this utility model, by setting 0.5mm≤L≤20mm, avoids the heat storage plate being too thick, which would prolong the heat transfer path from the bottom heating component to the food, thus facilitating rapid heat transfer of the pot body assembly. It also avoids the pot body assembly being too heavy and unsuitable for handling. On the other hand, it avoids the heat storage plate being too thin, which would result in a small amount of heat storage and a short time to maintain the high temperature state at the bottom of the inner pot, thus ensuring poor baking stability of the lower surface of the food.

[0010] Optionally, on a projection plane orthogonal to the thickness direction of the heat storage plate, the ratio of the projected area of ​​the heat storage plate to the area of ​​the projected outer contour of the base plate is S, where 0.1≤S≤0.9.

[0011] The pot body assembly of this utility model, by setting 0.1≤S≤0.9, avoids the problem that the area of ​​the heat storage plate is too small, resulting in insufficient effective high-temperature area and inability to effectively raise the temperature of the bottom of the inner pot, which would lead to poor coloring of the lower surface of the food. On the other hand, it avoids the problem that the area of ​​the heat storage plate is too large, which would lead to a longer heating time for the heat storage plate and reduce the user experience.

[0012] Optionally, the base plate forms a downward-facing clearance groove, and the heat storage plate is disposed within the clearance groove.

[0013] The pot body assembly of this utility model has a relief groove that limits the heat storage plate in all directions except vertically. The connection strength between the heat storage plate and the bottom plate is higher. When the pot body assembly is frequently pulled out, the heat storage plate is not easy to fall off. The heat storage plate maintains the high temperature at the bottom of the inner pot more stably and reliably.

[0014] Optionally, the heat storage plate is welded, bonded, or connected to the base plate by fasteners.

[0015] The pot body assembly of this utility model achieves high connection strength by welding or fastening the heat storage plate to the bottom plate, making it less prone to detachment. Alternatively, by bonding the heat storage plate to the bottom plate, the contact area between the two is increased, resulting in higher heat transfer efficiency and facilitating rapid heat transfer to the bottom of the inner pot.

[0016] Optionally, the base plate is provided with a plurality of upwardly protruding ribs, the ribs forming a downwardly opening groove, and the upper surface of the heat storage plate is provided with a plurality of protruding strips, the protruding strips being disposed within the grooves.

[0017] The pot assembly of this invention features multiple ribs on the upper surface of the bottom plate. During grilling or frying, these ribs support the food instead of the bottom plate, facilitating the drainage of oil and juices. Furthermore, the raised strips on the heat storage plate are positioned within the grooves, resulting in higher heat conduction efficiency between the raised strips and the ribs, thus ensuring more even grilling or frying of the food.

[0018] The air fryer according to an embodiment of the present invention includes a body, a top hot air assembly, a bottom heating assembly, and a pot assembly as described in any of the above embodiments. The pot assembly is detachably disposed within the body and is located vertically between the top hot air assembly and the bottom heating assembly.

[0019] The technical advantages of the air fryer according to the present invention are the same as those of the pot body assembly in the above embodiments, and will not be repeated here.

[0020] Optionally, the bottom heating assembly includes a heating element, which includes at least one of a heating tube, a heating film, and a heating wire.

[0021] This utility model relates to an air fryer. Optionally, the bottom heating assembly further includes a heat spreader plate connected to the machine body. At least one of the inner pot and the heat storage plate in the pot body assembly is in heat exchange contact with the upper surface of the heat spreader plate, and the heating element is disposed on the side of the heat spreader plate away from the inner pot.

[0022] The air fryer of this invention has a heating element that can heat the heat storage plate and the bottom plate through heat conduction. This results in higher heat transfer efficiency between the heating element and the heat storage plate and the bottom plate, facilitating rapid heat transfer to the bottom of the inner pot.

[0023] Optionally, the heat storage plate is connected to the bottom of the base plate, the heating element is directly connected to the heat storage plate and located on the side of the heat storage plate away from the base plate, and the heating element is detachably disposed at the bottom of the machine body.

[0024] The air fryer of this invention features a heat spreader between the heat storage plate and the heating element. The heating element first transfers heat to the heat spreader, which then transfers heat to the heat storage plate and the bottom plate. This facilitates even heating of all parts of the heat storage plate and the bottom plate, resulting in better uniform baking and grilling of the food's lower surface.

[0025] Optionally, the body includes a bottom liner, the upper surface of which is recessed downward to form a guide groove, the guide groove being open on the front surface of the bottom liner, and the heating element being removably disposed in the guide groove through the front opening of the guide groove.

[0026] This invention relates to an air fryer that, by directly connecting the heating element to the heat storage plate, further improves the heat transfer efficiency between the two, resulting in faster heating of the bottom of the inner pot and higher baking efficiency for the lower surface of the food.

[0027] Optionally, the rear end of the guide groove is provided with a socket, the socket is provided with a first power supply interface, and the rear end of the heating element is provided with a second power supply interface. When the heating element is disposed in the guide groove, the first power supply interface and the second power supply interface are electrically connected.

[0028] The air fryer of this invention uses guide grooves to guide the heating element. After the pot body assembly is placed inside the machine body, the heating element accurately stays in the set position of the guide groove, and the electrical connection between the heating element and the socket on the machine body is highly reliable.

[0029] Optionally, the socket is also provided with a temperature sensor, and when the heating element is located in the guide groove, the temperature sensor abuts against the heating element.

[0030] The air fryer of this invention has a socket at the rear end of the guide groove. After the heating element is inserted into place, the first power supply interface and the second power supply interface are electrically connected without the need for other docking operations. The power supply to the heating element is convenient and reliable.

[0031] Optionally, the upper surface of the bottom liner is provided with two support rails for supporting the bottom plate or the heat storage plate. The two support rails extend along the front-rear direction of the machine body and are respectively located on opposite sides of the guide groove along the left-right direction of the machine body.

[0032] In this air fryer, after the pot assembly is inserted into place, the temperature sensor measures the temperature of the bottom of the inner pot, which facilitates more accurate and reliable adjustment of the temperature at the bottom of the inner pot. Attached Figure Description

[0033] Figure 1 This is a cross-sectional view of an air fryer according to an embodiment of the present invention.

[0034] Figure 2 This is an exploded view of an air fryer according to an embodiment of the present invention.

[0035] Figure 3 This is a cross-sectional view of the pot body assembly and the bottom heating assembly in an air fryer according to an embodiment of the present invention.

[0036] Figure 4 This is an exploded view of the pot body assembly according to an embodiment of the present utility model.

[0037] Figure 5 This is a cross-sectional view of the pot body assembly according to an embodiment of the present utility model.

[0038] Figure 6 This is another cross-sectional view of the pot body assembly according to an embodiment of the present utility model.

[0039] Figure 7 This is a schematic diagram of the pot body assembly and the bottom heating assembly in an air fryer according to an embodiment of the present utility model.

[0040] Figure 8 This is an exploded view of the pot body assembly and the bottom heating assembly in the air fryer according to an embodiment of the present utility model.

[0041] Figure 9 This is a schematic diagram of the body of the air fryer according to an embodiment of the present invention.

[0042] Figure 10This is a schematic diagram of the bottom liner of an air fryer according to an embodiment of the present invention.

[0043] Figure label: 100. Air fryer; 200. Pot assembly; 1. Inner pot; 11. Base plate; 111. Boss; 112. Clearance groove; 113. Rib; 114. Groove; 2. Heat storage plate; 21. Raised strip; 3. Support; 4. Bottom heating assembly; 41. Heating element; 411. Second power supply interface; 42. Heat spreader; 5. Body; 51. Bottom liner; 511. Guide groove; 52. Socket; 521. First power supply interface; 53. Temperature sensor; 54. Support rail; 6. Top hot air assembly. Detailed Implementation

[0044] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0045] The applicant discovered that heat transfer within an air fryer primarily occurs through two methods: thermal radiation and thermal convection. The upper part of the inner basket experiences stronger thermal radiation and hot air, resulting in a temperature often higher than the space below the basket. This is especially true after food is placed inside, as the food blocks some of the thermal radiation and convection, exacerbating the insufficient temperature below the basket. Furthermore, once the air fryer reaches its target temperature during startup, it enters a temperature-maintaining state. During this state, the bottom heating element heats intermittently, causing a significant temperature difference between the on and off states of the heating element. This further contributes to the lower temperature below the basket. Existing products employ bottom heating to address the low temperature at the bottom of the basket, but due to the air gap between the bottom of the pot and the basket (limited by the air frying principle, a certain height is allowed for the passage of hot air within the air fryer to form convection circulation), the airflow at the bottom of the basket continuously carries away energy exceeding the target temperature, causing the temperature difference between the basket and the bottom of the pot to gradually decrease. At this point, the hot air effectively cools the surface of the bottom, thus carrying away some of the heat from the bottom, causing the bottom temperature of existing air fryers with 3D heating to converge with the overall temperature of the cavity. Therefore, the bottom heating effect of the three-dimensional heating air blast cannot be realized at present.

[0046] To address the aforementioned shortcomings, the following will be combined with... Figures 1-10 This invention describes a pot body assembly according to an embodiment of the present invention.

[0047] The pot assembly 200 of this utility model embodiment includes an inner pot 1 and a heat storage plate 2. The inner pot 1 includes a bottom plate 11, and the heat storage plate 2 is connected to the bottom plate 11. The specific heat capacity of the heat storage plate 2 is greater than or equal to the specific heat capacity of the bottom plate 11.

[0048] According to the pot assembly 200 of this utility model embodiment, the bottom plate 11 of the inner pot 1 is connected to the heat storage plate 2. The bottom heating component 4 of the air fryer 100 simultaneously heats the bottom plate 11 and the heat storage plate 2. By setting the specific heat capacity of the heat storage plate 2 to be greater than or equal to the specific heat capacity of the bottom plate 11, it is ensured that the heat storage of the heat storage plate 2 is greater than or equal to the heat storage of the bottom plate 11 under the same volume. At this time, when the bottom heating component 4 stops working, the heat storage of the heat storage plate 2 and the heat storage of the bottom plate 11 can maintain the high temperature state of the bottom of the inner pot 1 for a longer time, effectively avoiding the excessive temperature difference change at the bottom of the inner pot 1, which would lead to insufficient baking of the lower surface of the food. The coloring and texture of the upper and lower surfaces of the food are more uniform.

[0049] It should be noted that the heat storage plate 2 should be made of a material with a low coefficient of thermal expansion, or a material with a coefficient of thermal expansion similar to that of the base plate 11, in order to avoid excessive deformation to one side when heated due to the different expansion rates of the two. At the same time, it should ensure that its thermal conductivity is high. Materials such as aluminum (237 W / (m·K)), iron (80 W / (m·K)), copper (401 W / (m·K)), low carbon steel (50-60 W / (m·K)) and other metals or alloys, as well as metal oxides or non-metal oxides such as aluminum nitride (150–220 W / (m·K)) and silicon carbide (120–270 W / (m·K)).

[0050] In some embodiments, the wall thickness of the heat storage plate 2 is equal at any position, and the thickness of the heat storage plate 2 is L, wherein 0.5mm≤L≤20mm.

[0051] By setting the thickness to 0.5mm≤L≤20mm, on the one hand, the heat storage plate 2 is not too thick, which would extend the heat transfer path from the bottom heating component 4 to the food, facilitating rapid heat transfer of the pot body component 200. On the other hand, the pot body component 200 is not too heavy and therefore not easy to handle. On the other hand, the heat storage plate 2 is not too thin, which would result in a small heat storage capacity and a short maintenance time of the high temperature state at the bottom of the inner pot 1, resulting in poor baking stability of the lower surface of the food.

[0052] For example, 2mm ≤ L ≤ 5mm, or the thickness L of the heat storage plate 2 can be 0.5mm, 2mm, 3mm, 5mm, 10mm, and 20mm. Figure 5 As shown, the thickness of the heat storage plate 2 is greater than the thickness of the base plate 11.

[0053] It should be noted that the heat storage plate 2 can be connected to the top of the base plate 11 or to the bottom of the base plate 11. At the same time, the base plate 11 can also have a through hole in the middle, and the heat storage plate 2 is connected to the base plate 11 to seal the through hole.

[0054] In some embodiments, on a projection plane orthogonal to the thickness direction of the heat storage plate 2, the ratio of the projected area of ​​the heat storage plate 2 to the area of ​​the projected outer contour of the base plate 11 is S, where 0.1≤S≤0.9.

[0055] By setting 0.1≤S≤0.9, on the one hand, we avoid the heat storage plate 2 being too small, resulting in insufficient effective high-temperature area and inability to effectively raise the temperature of the bottom of the inner pot 1, which would lead to poor coloring of the lower surface of the food. On the other hand, we avoid the heat storage plate 2 being too large, which would lead to a longer heating time and reduce the user experience.

[0056] For example, 0.3 ≤ S ≤ 0.6, or the ratio S of the projected area of ​​the heat storage plate 2 to the projected outer contour area of ​​the base plate 11 can be 0.1, 0.3, 0.5, 0.6, 0.7 and 0.9. The heat storage plate 2 can be circular, rectangular, oriented or irregular in shape, and there can be one or multiple plates.

[0057] In some embodiments, the base plate 11 forms a downward-facing clearance groove 112, and the heat storage plate 2 is disposed within the clearance groove 112.

[0058] The clearance groove 112 limits the heat storage plate 2 in all directions except vertically. The connection strength between the heat storage plate 2 and the bottom plate 11 is higher. When the pot body assembly 200 is frequently pulled out, the heat storage plate 2 is not easy to fall off. The heat storage plate 2 maintains the high temperature at the bottom of the inner pot 1 more stably and reliably.

[0059] For example, such as Figure 6 As shown, the bottom plate 11 has an upward protrusion in the middle to form a boss 111. The boss 111 surrounds a downward-facing relief groove 112. At this time, the inner plate and the peripheral plate of the inner pot 1 also surround an oil collection groove around the boss 111. At this time, the oil collection groove is separated from the heat storage plate 2. When the bottom heating component 4 stops working, it is convenient for the part of the inner pot 1 that forms the oil collection groove to cool down quickly, so as to avoid the oil in the oil collection groove being baked for a long time and forming a large amount of oil smoke.

[0060] In some embodiments, the heat storage plate 2 is welded, bonded, or connected to the base plate 11 by fasteners.

[0061] By welding or fastening the heat storage plate 2 to the bottom plate 11, the connection strength between the two is high, and the heat storage plate 2 is not easy to fall off. Alternatively, by bonding the heat storage plate 2 to the bottom plate 11, the contact area between the two is larger, the heat transfer efficiency between them is higher, and it is easier to quickly transfer heat to the bottom of the inner pot 1.

[0062] For example, the heat storage plate 2 is brazed to the base plate 11, or the heat storage plate 2 can be connected to the base plate 11 by laser welding or electric welding, or the heat storage plate 2 can be connected to the base plate 11 by threaded parts or riveting parts.

[0063] In some embodiments, the base plate 11 is provided with a plurality of upwardly protruding ribs 113, the ribs 113 forming a downwardly opening groove 114, and the upper surface of the heat storage plate 2 is provided with a plurality of protrusions 21, the protrusions 21 being disposed in the groove 114.

[0064] By setting multiple ribs 113 on the upper surface of the base plate 11, the ribs 113 replace the base plate 11 to support the food during frying and grilling, making it easier for the food to drain oil and juices. By setting the protrusions 21 on the heat storage plate 2 in the grooves 114, the heat conduction efficiency between the protrusions 21 and the ribs 113 is higher, thereby making the frying and grilling of the food more uniform.

[0065] For example, such as Figures 1-6 As shown, multiple ribs 113 can be horizontal, and multiple ribs 113 are arranged at equal intervals along the front and rear direction of the body 5 on the upper surface of the boss 111.

[0066] An air fryer 100 according to an embodiment of the present invention includes a body 5, a top hot air assembly 6, a bottom heating assembly 4, and a pot assembly 200 as described in any of the above embodiments. The pot assembly 200 is detachably disposed inside the body 5 and is located vertically between the top hot air assembly 6 and the bottom heating assembly 4. The top hot air assembly 6 is located at the top of the body 5, and the bottom heating assembly 4 is located at the bottom of the body 5.

[0067] The technical advantages of the air fryer 100 according to the present invention are the same as those of the pot body assembly 200 in the above embodiments, and will not be repeated here.

[0068] In some embodiments, the bottom heating assembly 4 includes a heating element 41, which includes at least one of a heating tube, a heating film, and a heating wire.

[0069] The heating element 41 can heat the heat storage plate 2 and the bottom plate 11 by means of heat conduction. As a result, the heat transfer efficiency between the heating element 41 and the heat storage plate 2 and the bottom plate 11 is higher, which facilitates rapid heat transfer to the bottom of the inner pot 1.

[0070] For example, such as Figure 2 As shown, heating element 41 is a heating tube.

[0071] In some embodiments, the bottom heating assembly 4 further includes a heat spreader 42, which is connected to the body 5. At least one of the inner pot 1 and the heat storage plate 2 in the pot body assembly 200 is in heat exchange contact with the upper surface of the heat spreader 42, and the heating element 41 is disposed on the side of the heat spreader 42 away from the inner pot 1.

[0072] By setting a heat spreader 42 between the heat storage plate 2 and the heating element 41, the heating element 41 first transfers heat to the heat spreader 42, and then the heat spreader 42 transfers heat to the heat storage plate 2 and the bottom plate 11, which facilitates uniform heating of all positions of the heat storage plate 2 and the bottom plate 11, thereby improving the uniformity of baking and grilling of the lower surface of the food.

[0073] For example, such as Figure 1 and Figure 2 As shown, the heating element 41 is fastened to the bottom of the heat spreader 42 by fasteners, or the heating element 41 is welded to the bottom of the heat spreader 42. The heat spreader 42 is a circular disk with a diameter approximately equal to the diameter of the heat storage plate 2.

[0074] In some embodiments, such as Figure 7 and Figure 8 As shown, the heat storage plate 2 is connected to the bottom of the base plate 11, the heating element 41 is directly connected to the heat storage plate 2 and is located on the side of the heat storage plate 2 away from the base plate 11, and the heating element 41 is detachably located at the bottom of the body 5.

[0075] By directly connecting the heating element 41 to the heat storage plate 2, the heat transfer efficiency between the two is further improved, the bottom of the inner pot 1 heats up faster, and the baking efficiency of the lower surface of the food is higher.

[0076] In some embodiments, the body 5 includes a bottom liner 51, the upper surface of the bottom liner 51 is recessed downward to form a guide groove 511, the guide groove 511 is open on the front surface of the bottom liner 51, and the heating element 41 is removably disposed in the guide groove 511 through the front opening of the guide groove 511.

[0077] By setting the guide groove 511 to guide the heating element 41, after the pot body assembly 200 is placed inside the machine body 5, the heating element 41 accurately stops at the set position of the guide groove 511, and the electrical connection between the heating element 41 and the socket 52 on the machine body 5 has high reliability.

[0078] For example, such as Figure 9 and Figure 10 As shown, the guide groove 511 extends along the front and rear direction of the body 5 and has an opening at the front end. When the pot assembly 200 is inserted into the body 5 from front to back, the heating element 41 is simultaneously inserted into the guide groove 511 from front to back.

[0079] It should be noted that the pot body assembly 200 also includes a support 3, which is connected to the front side of the inner pot 1. The support 3 is provided with a handle, and after the inner pot 1 is inserted into place, the handle protrudes from the front side of the body 5.

[0080] In some embodiments, a socket 52 is provided at the rear end of the guide groove 511, a first power supply interface 521 is provided on the socket 52, and a second power supply interface 411 is provided at the rear end of the heating element 41. When the heating element 41 is disposed in the guide groove 511, the first power supply interface 521 and the second power supply interface 411 are electrically connected.

[0081] By setting a socket 52 at the rear end of the guide groove 511, the first power supply interface 521 and the second power supply interface 411 are electrically connected after the heating element 41 is inserted into place, without the need for other docking operations. The power supply to the heating element 41 is convenient and reliable.

[0082] For example, such as Figure 7 , Figure 9 and Figure 10 As shown, the first power supply interface 521 is a socket located in the socket 52, and a sealing element is provided at the socket. The second power supply interface 411 is a plug. After the heating element 41 is inserted into the socket, the plug is inserted into the socket 52.

[0083] In some embodiments, the socket 52 is further provided with a temperature sensor 53, and when the heating element 41 is disposed in the guide groove 511, the temperature sensor 53 abuts against the heating element 41.

[0084] That is, after the pot body assembly 200 is inserted into place, the temperature sensor 53 measures the temperature of the bottom of the inner pot 1, which facilitates more accurate and reliable adjustment of the temperature of the bottom of the inner pot 1.

[0085] For example, the bottom heating assembly 4 also includes a housing covering the heating element 41, and the air fryer 100 also includes an elastic element that connects the socket 52 and the temperature sensor 53. After the heating element 41 is inserted into place, the temperature sensor 53 is stably pressed against the housing by the elastic element, thereby improving the reliability of temperature control at the bottom of the inner pot 1.

[0086] In some embodiments, the upper surface of the bottom liner 51 is provided with two support rails 54 for supporting the bottom plate 11 or the heat storage plate 2. The two support rails 54 extend along the front-rear direction of the body 5 and are respectively located on opposite sides of the guide groove 511 along the left-right direction of the body 5.

[0087] By setting two support rails 54, the sliding friction of the pot assembly 200 is reduced during the process of pulling out and pushing into the machine body 5, the wear of the bottom plate 11 of the inner pot 1 and the heat storage plate 2 is reduced, and the service life of the pot assembly 200 is extended.

[0088] For example, such as Figure 9 and Figure 10As shown, the support rail 54 is elongated, and its width gradually decreases from bottom to top. The hardness of the support rail 54 can be less than that of the bottom liner 51, so as to further reduce the sliding resistance of the pot assembly 200.

[0089] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0090] 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 at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0091] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0092] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0093] In this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0094] Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Any changes, modifications, substitutions and variations made to the above embodiments by those skilled in the art are within the protection scope of the present invention.

Claims

1. A pot body assembly, characterized in that, include: Inner pot (1), the inner pot (1) includes a bottom plate (11); Heat storage plate (2), which is connected to the base plate (11), wherein the specific heat capacity of the heat storage plate (2) is greater than or equal to the specific heat capacity of the base plate (11).

2. The pot body assembly according to claim 1, characterized in that, The wall thickness of the heat storage plate (2) is equal at any position, and the thickness of the heat storage plate (2) is L, wherein 0.5mm≤L≤20mm.

3. The pot body assembly according to claim 1, characterized in that, On the projection plane orthogonal to the thickness direction of the heat storage plate (2), the ratio of the projected area of ​​the heat storage plate (2) to the area of ​​the projected outer contour of the base plate (11) is S, where 0.1≤S≤0.

9.

4. The pot body assembly according to claim 1, characterized in that, The base plate (11) forms a downward-facing clearance groove (112), and the heat storage plate (2) is disposed in the clearance groove (112).

5. The pot body assembly according to claim 1, characterized in that, The heat storage plate (2) is welded, bonded or connected to the base plate (11) by fasteners.

6. The pot body assembly according to any one of claims 1-5, characterized in that, The base plate (11) is provided with a plurality of upward protruding ribs (113), the ribs (113) forming a downward-facing groove (114), and the upper surface of the heat storage plate (2) is provided with a plurality of protruding strips (21), the protruding strips (21) being disposed in the groove (114).

7. An air fryer, characterized in that, The device includes a body (5), a top hot air assembly (6), a bottom heating assembly (4), and a pot assembly according to any one of claims 1-6, wherein the pot assembly is detachably disposed within the body (5) and is located between the top hot air assembly (6) and the bottom heating assembly (4) in the vertical direction.

8. The air fryer according to claim 7, characterized in that, The bottom heating assembly (4) includes a heating element (41), which includes at least one of a heating tube, a heating film, and a heating wire.

9. The air fryer according to claim 8, characterized in that, The bottom heating assembly (4) further includes a heat spreader (42), which is connected to the body (5). At least one of the inner pot (1) and the heat storage plate (2) in the pot body assembly is in heat exchange contact with the upper surface of the heat spreader (42). The heating element (41) is disposed on the side of the heat spreader (42) away from the inner pot (1).

10. The air fryer according to claim 8, characterized in that, The heat storage plate (2) is connected to the bottom of the base plate (11), the heating element (41) is directly connected to the heat storage plate (2) and located on the side of the heat storage plate (2) away from the base plate (11), and the heating element (41) is detachably disposed at the bottom of the body (5).

11. The air fryer according to claim 10, characterized in that, The body (5) includes a bottom liner (51), the upper surface of which is recessed downward to form a guide groove (511), the guide groove (511) is open on the front surface of the bottom liner (51), and the heating element (41) is removably disposed in the guide groove (511) through the front opening of the guide groove (511).

12. The air fryer according to claim 11, characterized in that, The rear end of the guide groove (511) is provided with a socket (52), the socket (52) is provided with a first power supply interface (521), the rear end of the heating element (41) is provided with a second power supply interface (411), when the heating element (41) is located in the guide groove (511), the first power supply interface (521) and the second power supply interface (411) are electrically connected.

13. The air fryer according to claim 12, characterized in that, The socket (52) is also provided with a temperature sensor (53). When the heating element (41) is located in the guide groove (511), the temperature sensor (53) abuts against the heating element (41).

14. The air fryer according to claim 11, characterized in that, The upper surface of the bottom liner (51) is provided with two support rails (54) for supporting the bottom plate (11) or the heat storage plate (2). The two support rails (54) extend along the front-back direction of the body (5) and are respectively located on opposite sides of the guide groove (511) along the left-right direction of the body (5).

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