Cover body and cooking utensil

Abstract

The utility model discloses a cover body and a cooking utensil, the cover body comprises an infrared heating device and a steam channel assembly, and the infrared heating device is used for radiating infrared rays to a cooking cavity; the steam channel assembly forms a complementary cooking steam supply channel and a cooking steam discharge channel, the complementary cooking steam supply channel is used for allowing complementary cooking steam of the cooking cavity to pass through, and the cooking steam discharge channel is used for allowing steam discharged from the cooking cavity to pass through; the steam channel assembly is close to the rear end of the cover body and is parallel to the infrared heating device in the horizontal direction. The infrared heating device and the supplementary cooking steam supply channel are arranged in the cover body at the same time, so that infrared rays can effectively heat food on the surface layer, the food is heated uniformly, and the fragrance of the food is stimulated; the high-temperature steam can be conveyed into the cooking cavity through the complementary cooking steam supply channel to heat and wet food in the cooking cavity, so that the food such as rice can be kept wet, and the food is prevented from becoming dry and yellow.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of kitchen household appliances, and in particular to a cover body and a cooking appliance. BACKGROUND

[0002] Existing cooking appliances such as electric rice cookers usually include a cover body and a cooker body, the cover body is arranged on the cooker body in an openable and closable manner to form a cooking cavity between the cover body and the cooker body. Some cooking appliances have an infrared heating tube arranged in the cover body, the infrared heating tube is used to radiate infrared rays to the cooking cavity to heat the surface layer of rice.

[0003] After the rice is cooked, it is not always immediately taken, in order to make the rice still good in taste and not cold when it is taken, a heat preservation process is needed to preserve the rice after cooking. The rice will become dry and yellow with the extension of the heat preservation time, thereby affecting the quality and taste of the rice.

[0004] Therefore, a cover body is needed to at least partially solve the above problems. SUMMARY

[0005] A series of simplified concepts are introduced in the summary part of the utility model, which will be further described in detail in the specific embodiment part. The summary part of the utility model does not mean to try to limit the key features and necessary technical features of the claimed technical solution, and even less to try to determine the protection scope of the claimed technical solution.

[0006] To at least partially solve the above problems, the present application provides a cover body for a cooking appliance, the cooking appliance includes a cover body and a cooker body, the cover body is arranged on the cooker body in an openable and closable manner to form a cooking cavity between the cover body and the cooker body, the cover body is provided with an opening mechanism, one end of the cover body provided with the opening mechanism is a front end, the opposite end of the front end is a rear end, the cover body includes:

[0007] an infrared heating device for radiating infrared rays to the cooking cavity; and

[0008] a steam passage assembly forming a cooking steam supply passage and a cooking steam exhaust passage, the cooking steam supply passage is used for the steam for cooking the cavity to pass through, the cooking steam exhaust passage is used for the steam discharged from the cooking cavity to pass through,

[0009] wherein the steam passage assembly is arranged adjacent to the rear end of the cover body and parallel to the infrared heating device in the horizontal direction.

[0010] According to the scheme, the infrared heating device and the steam supply channel are arranged in the cover body at the same time, so that the infrared heating device radiates infrared rays to the cooking cavity during cooking, the infrared rays can effectively heat the surface layer of food and make the food evenly heated, thereby stimulating the aroma of the food; the high-temperature steam can be delivered into the cooking cavity through the steam supply channel to heat and moisten the food in the cooking cavity, so that the food such as rice can be kept moist and the food can be prevented from drying and yellowing. The user can obtain the food with moderate moisture, good taste and full aroma at any time after cooking, effectively solving the problem of drying of the food during the heat preservation process after cooking, and improving the user experience. The cooking appliance of the present application realizes the effect of synergy of the steam function and the infrared radiation penetration function, improves the multifunctionality of the product, and is beneficial to adapt to the needs of different consumers for food.

[0011] Optionally, the cover body comprises an inner liner, the inner liner is provided with an infrared mounting area and a steam channel mounting area, the infrared mounting area is arranged in parallel with the steam channel mounting area in the horizontal direction, at least a part of the infrared heating device is arranged in the infrared mounting area, and at least a part of the steam channel assembly is arranged in the steam channel mounting area. According to the scheme, the inner liner has two areas for accommodating the infrared heating device and the steam channel assembly respectively, so that the internal structure of the cover body is more compact and the space utilization rate is higher.

[0012] Optionally, the inner liner is provided with a partition wall, the infrared mounting area is separated from the steam channel mounting area by the partition wall. According to the scheme, the infrared mounting area and the steam channel mounting area are separated by the thin wall on the inner liner, so that two independent and closer areas can be formed, so that the infrared heating device and the steam channel assembly can be arranged more compactly in the horizontal direction, and the space utilization rate is further improved.

[0013] Optionally, the partition wall is more protruded towards the infrared mounting area at the middle part in the transverse direction than at both ends in the transverse direction, so that a recessed area is formed on one side of the steam channel mounting area, and the steam channel assembly is partially located in the recessed area. According to the scheme, a part of the area originally occupied by the infrared heating device is saved for arranging the steam channel assembly, and the space layout of the cover body is further reasonably adjusted, so that the infrared heating device and the steam channel assembly can be arranged more closely and compactly, the radiation area of the infrared heating device meets the cooking demand, and the size of the cover body is not greatly increased due to the addition of the steam channel assembly, which is beneficial to the miniaturization of the cover body.

[0014] Optionally, the infrared mounting area has an inner lining through-hole and a support portion surrounding the inner lining through-hole. The support portion is recessed downwards. The infrared heating device includes a plate-like component, the outer periphery of which overlaps the support portion. The plate-like component can be a radiating plate or a light-transmitting insulating plate. According to this solution, infrared rays can radiate downwards through the inner lining through-hole, and the infrared heating device can be accommodated in the recessed space of the inner lining at the support portion, avoiding an excessively large dimension of the inner lining in the height direction.

[0015] Optionally, a peripheral sealing ring is fitted around the outer periphery of the plate-like component to form a seal between the plate-like component and the liner. According to this design, the peripheral sealing ring can be easily installed and seals the gap between the radiant plate or insulating plate and the liner, preventing steam from entering the space above the liner and damaging electrical components.

[0016] Optionally, the steam passage mounting area has a mounting recess that is recessed upward from the lower surface of the liner, and at least a portion of the steam passage assembly is accommodated within the mounting recess. According to this solution, the steam passage assembly can be accommodated in the upper recessed space of the liner at the support, avoiding an excessively large dimension of the liner in the height direction; and the mounting recess can restrict the position of the steam passage assembly, keeping it in its initial mounting position without displacement.

[0017] Optionally, the cover also includes a cover plate, which has an infrared light-transmitting area and a steam channel support area. The infrared light-transmitting area is arranged horizontally parallel to the steam channel support area, and is located below the infrared heating device and correspondingly positioned to allow infrared rays to pass through. The front end of the steam channel assembly is supported by the steam channel support area. According to this solution, the cover plate has two areas respectively adapted to the infrared heating device and the steam channel assembly, wherein infrared rays radiate into the cooking cavity through the infrared light-transmitting area, and a portion of the steam channel assembly is supported on the cover plate.

[0018] Optionally, the infrared light-transmitting area occupies the portion of the cover plate excluding the rear, while the steam channel support area occupies the rear of the cover plate. According to this design, the infrared light-transmitting area on the cover plate can be designed to have a larger area, allowing more infrared light to pass through; the steam channel assembly occupies a smaller area on the cover plate, and the supplementary steam supply channel can extend between the rear of the cooking area and the rear of the cover, shortening the extension path of the supplementary steam supply channel and thus shortening the steam flow distance, allowing steam to quickly reach the cooking chamber and avoiding energy loss.

[0019] The infrared light-transmitting area has light-transmitting holes or light-transmitting sections made of light-transmitting material, wherein the cover plate has a through-hole sealing ring on the upper side of the periphery of the light-transmitting holes. According to this solution, infrared rays can directly radiate to the food through the light-transmitting holes, avoiding heat loss and achieving higher heat utilization; the light-transmitting section of the cover plate can shield the infrared heating device, preventing users from being burned and / or electrocuted due to direct contact with the infrared heating device after the cover is opened.

[0020] Optionally, the cover plate has a protrusion facing the infrared light-transmitting area, and a portion of the steam channel assembly is located on the protrusion. According to this solution, a portion of the area originally occupied by the infrared heating device is saved for arranging the steam channel assembly, and the spatial layout of the cover is further rationally adjusted. The infrared heating device and the steam channel assembly can be arranged closer and more compactly. While the radiation area of ​​the infrared heating device meets the cooking requirements, the size of the cover will not be significantly increased due to the addition of the steam channel assembly, which is conducive to the miniaturization of the cover.

[0021] Optionally, the steam channel assembly includes a channel bottom shell, with a concentrated inlet and outlet distribution area. The supplementary steam outlet of the supplementary steam supply channel and the cooking steam inlet of the cooking steam exhaust channel are concentrated in this inlet and outlet distribution area, which is located within the steam channel support area. According to this solution, the supplementary steam outlet and cooking steam inlet are cleverly designed to be concentrated in a relatively small area. This allows the steam channel assembly to occupy a smaller area while the infrared light-transmitting area occupies a larger area. The area of ​​the infrared light-transmitting area does not need to be reduced due to the addition of a supplementary steam supply channel within the cover. The internal spatial layout of the cover is rationally adjusted, effectively solving the problem of insufficient internal space when simultaneously installing an infrared heating device and the steam channel assembly. Furthermore, it eliminates the need for separate seals and sealing structures at the two openings, simplifying manufacturing and assembly processes and resulting in a more concise structure.

[0022] Optionally, the supplementary cooking steam supply channel is located inside the cooking steam exhaust channel. According to this design, the supplementary cooking steam supply channel can maintain a higher temperature, resulting in less heat loss for the steam entering the cooking chamber as it passes through the channel, leading to a higher steam temperature and better supplementary cooking effect. Furthermore, the steam entering the cooking chamber does not condense or liquefy during transmission within the supplementary cooking steam supply channel, thus preventing water droplets within the steam from affecting the supplementary cooking effect. The two steam channels can be sealed using a double-seal design, achieving excellent sealing and reducing steam flow loss during transmission.

[0023] Alternatively, the supplementary steam supply channel and the cooking steam exhaust channel are located in different areas. According to this scheme, the supplementary steam supply channel is independent of the area where the cooking steam exhaust channel is located, and the structures of these two steam channels can be set separately, allowing for greater design flexibility.

[0024] Optionally, the steam channel assembly includes a channel bottom shell and a channel top plate, which are connected to form a supplementary steam supply channel and a cooking steam exhaust channel between them. According to this solution, two independent components that can be fitted together are used as the basic components of the steam channel. Part of the steam channel is formed by the channel bottom shell or its components, and the other part is formed by the channel top plate, making the production and manufacturing of the steam channel assembly easier.

[0025] Optionally, the steam channel assembly further includes a trough-shaped supplementary steam channel component, which is disposed on the bottom shell of the channel, and the supplementary steam channel component and the top plate of the channel form a supplementary steam supply channel. According to this solution, the bottom part of the supplementary steam supply channel is constituted by an independent channel component on the bottom shell of the channel. This independent channel component can be easily arranged at a desired position on the bottom shell of the channel, and the sealing structure between it and the top plate of the channel can also be easily constructed.

[0026] Optionally, the steam channel assembly includes a tubular component that can independently form a supplementary steam supply channel. According to this solution, the supplementary steam supply channel has a simple structure, fewer parts, and higher assembly efficiency.

[0027] Optionally, the supplementary steam passage component is made of an elastic sealing material and abuts against the top plate of the passage. The supplementary steam passage component is independently fixed to the bottom shell of the passage or pressed against the bottom shell of the passage by a pressure plate. According to this solution, the supplementary steam passage component is used as a sealing element, eliminating the need for an additional sealing ring to seal the gap between the supplementary steam passage component and the top plate of the passage.

[0028] Optionally, the steam passage assembly also includes a cooking steam passage seal, which is disposed between the outer peripheries of the bottom shell and the top plate of the passage to form a sealed cooking steam exhaust passage. According to this solution, by using the passage seal, an external seal can be formed on the outer peripheries of both the bottom shell and the top plate of the passage, preventing steam from leaking into the interior of the cover and preventing damage to electrical components inside the cover.

[0029] Optionally, the bottom shell of the channel is provided with a cooking steam inlet, and the top plate of the channel is provided with a cooking steam outlet. The cooking steam outlet is adjacent to or located on the longitudinal centerline of the cover. According to this solution, the cooking steam inlet is basically located in the middle of the cover in the transverse direction, the inner structure of the cover is simple, and the overall appearance is better after the cover is opened; the cooking steam outlet is basically located in the middle of the cover in the transverse direction, so a channel connecting the cooking steam outlet to the outside atmosphere can be set in the middle of the cover.

[0030] The lid also includes a supplementary steam connection cover located at the rear corner of the lid. This supplementary steam connection cover has a supplementary steam inlet, and the bottom shell of the channel has a supplementary steam outlet. The supplementary steam outlet is located near or on the longitudinal centerline of the lid. According to this design, the opening and closing of the steam generating device of the pot is achieved by opening and closing the lid, reducing the user's operating steps and improving the user experience. Furthermore, the supplementary steam outlet is essentially located in the middle of the lid in the lateral direction, resulting in a simple internal structure and a better overall appearance when the lid is open.

[0031] Optionally, the cover also includes a cover body and a removable cover assembly, which is detachably mounted on the cover body. The channel bottom shell is connected to the removable cover assembly so that it can be removed from or installed onto the cover together with the removable cover assembly. According to this solution, the channel bottom shell and its connected components can be integrated with the removable cover assembly and removed together from the cover to facilitate cleaning of the two steam channels.

[0032] Optionally, the supplementary steam supply channel extends along a straight line inclined relative to the longitudinal centerline of the lid. According to this design, the straight-line supplementary steam supply channel further shortens the steam flow distance, allowing the steam to quickly reach the cooking chamber and avoid energy loss; structurally, it can be easily constructed and occupies a small area in the steam channel region, which is beneficial for the miniaturization of the steam channel components.

[0033] Optionally, the straight line has an angle α with respect to the longitudinal centerline of the lid, where 45°≤α≤62°. According to this design, the supplementary steam inlet can be located at the rear end corner of the lid, so as to correspond vertically with the steam generator at the corner of the pot.

[0034] Optionally, the lid also includes a temperature measuring device, comprising a temperature measuring element located above the cooking steam inlet and extending into the cooking steam exhaust channel. According to this design, the temperature measuring element is protected from infrared heat during cooking, allowing it to detect accurate steam temperatures with higher precision. This enables rapid and accurate temperature control, adjusting the heating temperature of the food and ensuring better taste. Furthermore, it avoids the temperature measuring element occupying the cooking area on the lid, allowing for a larger infrared radiation area; the temperature measuring element is hidden inside the lid, resulting in a simpler and more elegant internal structure.

[0035] Optionally, the infrared heating device includes one of an infrared heating tube, an infrared heating film, and a radiant plate, wherein at least a portion of the lower surface of the radiant plate forms the top surface of the cooking cavity. According to this solution, the structure combining infrared heating and steam heating is suitable for various types of infrared cooking appliances.

[0036] Optionally, the infrared heating device includes a radiant plate, and the cover includes a fixedly connected cover plate. The radiant plate is disposed on the upper side of the cover plate, and the cover plate has a light-transmitting hole for infrared rays to pass through. According to this solution, the radiant plate and steam channel assembly are suitable for a cover with a fixedly connected cover plate, and the radiant plate radiates infrared rays into the cooking cavity through the light-transmitting hole of the cover plate. Alternatively, the cover includes a manually detachable cover assembly, which includes a cover plate, and the radiant plate is disposed on the upper side of the cover plate. The cover plate has a light-transmitting hole for infrared rays to pass through. According to this solution, the radiant plate and steam channel assembly are suitable for a cover with a detachable cover assembly, and the radiant plate radiates infrared rays into the cooking cavity through the light-transmitting hole of the cover plate. Alternatively, the cover includes a manually detachable cover assembly, and the radiant plate is fixedly disposed on the detachable cover assembly. According to this solution, the radiant plate and steam channel assembly are suitable for a cover with a detachable cover assembly, and the radiant plate acts as a cover plate and directly radiates infrared rays into the cooking cavity.

[0037] Optionally, the cover also includes a detachable cover assembly, which includes a cover plate and a cover plate seat. The cover plate seat is connected to the outer periphery of the cover plate, and the steam passage assembly spans the same side of the cover plate and the cover plate seat. According to this solution, the area on the cover plate seat of the detachable cover assembly can be better utilized in the design to arrange a longer steam passage, reducing the area ratio of the steam passage assembly in the cover plate.

[0038] Optionally, the cover plate seat forms a protruding support portion at the rear of the cover plate, and the steam passage assembly spans across the cover plate and the support portion. According to this solution, the rear area of ​​the removable cover assembly can be better utilized in the design to arrange a longer steam passage, reducing the area ratio of the steam passage assembly in the cover plate.

[0039] According to another aspect of this application, a cooking appliance is provided, comprising a lid, a pot body, and a steam generating device according to any of the above aspects. The lid is closable and disposed on the pot body to form a cooking cavity between the lid and the pot body. The steam generating device is disposed on the lid or the pot body for supplying steam to a supplementary steam supply channel. According to this solution, an infrared heating device and a supplementary steam supply channel are simultaneously provided on the lid, allowing the infrared heating device to radiate infrared rays into the cooking cavity during cooking. The infrared rays effectively heat the surface food, ensuring even heating and enhancing its aroma. High-temperature steam is delivered into the cooking cavity through the supplementary steam supply channel, heating and moistening the food inside, keeping foods such as rice moist and preventing them from drying out and turning yellow. Attached Figure Description

[0040] The following drawings, which are incorporated herein by reference and used to understand this application, illustrate embodiments of the application and their descriptions, thereby explaining the principles of the application.

[0041] In the attached image:

[0042] Figure 1 A perspective view of the cooking appliance according to this application, wherein the lid is in a closed state;

[0043] Figure 2 for Figure 1 Another perspective view of the cooking appliance shown, with the lid in the open position;

[0044] Figure 3 for Figure 1 An exploded 3D view of the cooking utensils shown;

[0045] Figure 4 for Figure 1 A cross-sectional view of the cooking appliance shown, wherein the tangent of the section is parallel to the line connecting the center line extending in the front-back direction of the cover and the center line of the supplementary steam supply channel.

[0046] Figure 5 for Figure 1 Another sectional view of the cooking appliance shown, wherein the tangent of the section is parallel to the center line extending in the front-back direction of the lid;

[0047] Figure 6 for Figure 5 Enlarged view of section A;

[0048] Figure 7 for Figure 5 An exploded perspective view of the infrared heating device and its lining.

[0049] Figure 8 for Figure 5 A perspective view of the infrared heating device and the main body of the cover shown;

[0050] Figure 9 for Figure 5 An exploded perspective view of the steam passage assembly and the removable cover assembly shown.

[0051] Figure 10 for Figure 5 A perspective view of the steam passage assembly and the removable cover assembly shown;

[0052] Figure 11 for Figure 5 A bottom view of the steam passage assembly and the removable cover assembly shown;

[0053] Figure 12 for Figure 5 Cross-sectional view of the steam passage assembly and the removable cover assembly shown;

[0054] Figure 13 for Figure 5 The top view of the steam passage assembly and removable cover assembly shown has the passage top plate removed;

[0055] Figure 14 for Figure 5 Another exploded perspective view of the steam passage assembly and the removable cover assembly shown;

[0056] Figure 15 for Figure 5 A top view of the infrared heating device, steam channel assembly, and removable cover assembly shown.

[0057] Figure 16 for Figure 15 The image shows a bottom view of the infrared heating device, steam channel assembly, and removable cover assembly.

[0058] Explanation of reference numerals in the attached figures:

[0059] 1. Cooking utensils 2. Pot body

[0060] 3 lids 4 inner pots

[0061] 5. Inner pot heating device; 6. Pivot shaft

[0062] 7. Pot opening sealing ring; 8. Lid body

[0063] 9. Liner 10. Cover assembly

[0064] 11 User Interaction Area 12 Torsion Spring

[0065] 13 Removable cover assembly 14 Cover plate

[0066] 15 Cover plate seat 16 Housing

[0067] 17-inch middle plate, 18-inch base

[0068] 20 Inner lining through holes 21 Light-transmitting through holes

[0069] 22 Support section 23 Through hole sealing ring

[0070] 24 Pressure ring 25 Protrusion

[0071] 26 Mounting recess 27 Steam valve

[0072] 28 Steam seal 29 Support unit

[0073] 30 Steam docking cover for cookers; 31 Steam docking seal for cookers.

[0074] 32 Steam passage hole 33 Steam cover

[0075] 34 Steam passage seal 40 Steam generator

[0076] 41 Water container 42 Water container heating device

[0077] 50 Temperature measuring device 51 Temperature measuring element

[0078] 100 Infrared heating device 110 Radiation plate

[0079] 111 Avoidance gap 120 Heating component

[0080] 130 peripheral seal ring 140 fastener

[0081] 200 Steam passage assembly 201 Steam inlet

[0082] 202 Steam outlet for supplementary cooking; 203 Steam inlet for cooking.

[0083] 204 Cooking Steam Outlet 205 Channel Bottom Shell

[0084] 206 Channel Top Plate 207 Cooking Steam Channel Seal

[0085] 208 Steam passage component for supplementary cooking; 209 Passage wall

[0086] 210 Side end 211 Front end

[0087] 212 Fixed buckle 213 Movable buckle

[0088] 214 Socket 215 First Protruding Buckle

[0089] 216 Second protrusion buckle 217 Steam passage part

[0090] 218 Steam inlet, 219 Temperature measuring hole

[0091] 35 Steam inlet for supplementary cooking 36b Rear end

[0092] 37. Cylindrical wall; 38. Spasmodic wall body

[0093] P1 Steam passage; P11 Supplementary cooking steam supply passage

[0094] P12 Cooking steam exhaust channel; P2 Exhaust channel

[0095] CL Vertical Centerline RL Horizontal Reference Line

[0096] C1 First Center, C2 Second Center

[0097] The center of the C3 cover plate is the R1 cooking area.

[0098] R11 Non-infrared transparent area; R12 Infrared transparent area

[0099] R13 Steam Channel Support Area, R2 Infrared Radiation Area

[0100] R3 steam passage area, R31 inlet and outlet concentrated distribution area

[0101] R4 avoids the concave area; R10 covers the surrounding area.

[0102] R51 Infrared Installation Area; R52 Steam Channel Installation Area Detailed Implementation

[0103] The following description provides numerous specific details to offer a more thorough understanding of this application. However, it will be apparent to those skilled in the art that this application can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described to avoid confusion with this application.

[0104] To fully understand this application, a detailed description will be provided below. It is obvious that the implementation of embodiments of this application is not limited to the specific details familiar to those skilled in the art. Preferred embodiments of this application are described in detail below; however, other embodiments may also be available in addition to these detailed descriptions.

[0105] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms “comprising” and / or “including” are used in this specification, they indicate the presence of the stated features, integrals, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components, and / or combinations thereof.

[0106] The ordinal numbers such as “first” and “second” used in this application are merely identifiers and have no other meaning, such as a specific order. Furthermore, for example, the term “first component” does not imply the existence of a “second component,” and the term “second component” does not imply the existence of a “first component.” It should be noted that the terms “upper,” “lower,” “front,” “back,” “left,” “right,” “inner,” “outer,” and similar expressions used herein are for illustrative purposes only and are not intended to be limiting.

[0107] Exemplary embodiments according to this application will now be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in many different forms and should not be construed as being limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that the disclosure of this application is thorough and complete, and that the concept of these exemplary embodiments is fully conveyed to those skilled in the art.

[0108] like Figures 1 to 5As shown, this application provides a cooking appliance 1, which includes a pot body 2 and a lid 3. The pot body 2 has a cylindrical inner pot storage section. The inner pot 4 can be fixedly installed in the inner pot storage section, or can be freely placed into or removed from the inner pot storage section to facilitate cleaning of the inner pot 4. The inner pot 4 is usually made of metal and has a circular opening on its upper surface for holding materials to be heated, such as rice or soup. The pot body 2 includes an inner pot heating device 5, such as a heating plate, for heating the inner pot 4. It is understood that the cooking appliance 1 according to this application can be a rice cooker, an electric pressure cooker, or other cooking appliances 1, and the cooking appliance 1 can have various functions such as cooking porridge in addition to cooking rice.

[0109] The lid 3 has a shape substantially corresponding to the pot body 2. The lid 3 is closable on the pot body 2. In one example, the lid 3 is pivotally connected to the pot body 2 via a pivot axis 6 and can pivot freely about the pivot axis 6 between a closed position and an open position relative to the pot body 2, facilitating the closing and opening of the pot body 2. In another example, the lid 3 and pot body 2 are connected by interlocking and easily disassembled fasteners, so that they are tightly connected during cooking and can be separated into two independent units, for example, during cleaning. When the lid 3 is closed on the pot body 2, it covers the inner pot 4, forming a cooking cavity between them. The lid 3 typically also has a pot opening sealing ring 7, which can be made of, for example, rubber material, and is positioned between the lid 3 and the inner pot 4 to seal the cooking cavity when the lid 3 is closed.

[0110] It should be noted that the directional terms used in this article to describe the various parts and components of the cooking appliance 1, such as "up", "down", "above", "below", "upward", "downward", "facing upward", and "facing downward", are relative to the cooking appliance 1 when it is placed horizontally, upright, and the lid 3 is closed.

[0111] The lid body 3 basically includes the lid body 8. The lid body 8 includes an inner liner 9 and a cover assembly 10. The cover assembly 10 is located on the upper side or outer side of the inner liner 9 and can cover the inner liner 9. The upper surface of the cover assembly 10 has a user interaction area 11 for user operation. The inner liner 9 can be connected to the cover assembly 10 by a suitable method such as snap-fit, fastener connection such as screws, or adhesive. A pivot 6 is located in the inner liner 9 and is fitted with a torsion spring 12 for automatic lid opening. The pot body 2 also includes a lid opening button, and the lid body 3 has a manually operable lid opening mechanism. By pressing the lid opening button, the lid opening mechanism is unlocked. The end of the lid body 3 with the lid opening mechanism is the front end, and the opposite end of the front end is the rear end. Generally, the rear end of the lid body 2 is close to the pivot 6 between the lid body 2 and the pot body 2.

[0112] In one example, the lid 3 also includes a manually detachable lid assembly 13. The detachable lid assembly 13 is located below the lid body 8 and is detachably connected to the lid body 8 as a component, thus being detachably mounted on the lid 3 from below. When cleaning is required, the detachable lid assembly 13 can be removed from the lid 3. Specifically, the detachable lid assembly 13 is located below or inside the liner 9 and is detachably connected to the liner 9. For example, the detachable lid assembly 13 is movably connected to the liner 9 via a plug-in and / or snap-fit ​​structure. The detachable lid assembly 13 basically includes a lid plate 14, a lid seat 15, and the aforementioned pot opening sealing ring 7. The lid plate 14 may be a metal plate. At least a portion of the lower surface of the lid plate 14 forms the top surface of the cooking cavity. The lid seat 15 enables the lid plate 14 to be detachably connected to the liner 9. The lid plate 14 can be connected to the lid seat 15 by other suitable means such as snaps or fasteners. A portion of the pot opening sealing ring 7 is pressed between the cover plate 14 and the cover plate seat 15.

[0113] In another alternative example, the cover 3 includes the aforementioned cover plate 14, which is fixedly connected to the cover body 8, specifically to the liner 9, so that the cover plate 14 is non-removably mounted on the cover 3.

[0114] The pot body 2 basically includes an outer shell 16, a middle plate 17 located on the upper side of the outer shell 16, and a base 18 located on the lower side of the outer shell 16. The lower end of the outer shell 16 can be connected to the outer periphery of the middle plate 17 by a suitable method such as snap-fit, fastener connection such as screws, or bonding. The lower end of the outer shell 16 can also be connected to the upper end of the base 18 by a suitable method such as snap-fit, fastener connection such as screws, or bonding. The outer shell 16, the middle plate 17, and the base 18 together form the inner pot storage area. The inner pot heating device 5 can be disposed between the base 18 and the bottom of the inner pot 4 and connected to the base 18, hence it is also called a bottom heating device. Optionally, another inner pot heating device can be disposed between the outer shell 16 and the side of the inner pot 4, hence it is also called a side heating device.

[0115] The cooking appliance 1 of this application also has a top-heating function, whereby the heat generated by the top heat source can radiate to the food inside the cooking cavity to heat the food from the top side. Specifically, the cover 3 includes an infrared heating device 100 for radiating infrared rays into the cooking cavity during the cooking process. The infrared rays radiated into the cooking cavity can effectively heat the surface food, making the food evenly heated, thereby stimulating the aroma of the food.

[0116] The cooking appliance 1 of this application also has a steam supplementary cooking function. High-temperature steam can be delivered into the cooking cavity to heat and moisten the food inside. For example, during the heat preservation stage, high-temperature steam can be introduced into the cooking cavity to keep foods such as rice moist and prevent them from drying out and turning yellow. Specifically, the cooking appliance 1 also includes a steam generator 40 for generating supplementary cooking steam to supplement the cooking cavity. In order to deliver the supplementary cooking steam to the cooking cavity, the cover 3 is provided with a supplementary cooking steam supply channel P11 communicating with the cooking cavity. The supplementary cooking steam supply channel P11 is used for the passage of steam for supplementary cooking of the cooking cavity. Specifically, it can receive supplementary cooking steam from the steam generator 40 and deliver supplementary cooking steam to the cooking cavity.

[0117] The steam generating device 40 can be located on the lid 3 or the pot body 2. Figure 4 An example of a steam generator 40 disposed in the pot body 2 is shown schematically. Figure 4 As shown, the steam generating device 40 basically includes a water container 41 and a water container heating device 42. The water container 41 is disposed in the pot body 2 and is capable of storing water for generating supplementary cooking steam. Optionally, the water container 41 is located within the receiving cavity of the pot body 2, and its top protrudes from the upper surface of the pot body 2 to facilitate removal of the water container 41 from the pot body 2. The water container 41 has a top opening for forming an outlet to allow supplementary cooking steam to escape. The water container heating device 42 is typically disposed below the water container 41 and is used to heat the water in the water container 41 to generate supplementary cooking steam. This supplementary cooking steam can enter the supplementary cooking steam supply channel P11 and then enter the cooking cavity to keep food such as rice in the inner pot 4 moist. When the steam generating device 40 is disposed in the lid 3, the placement and structure of the water container 41 and the water container heating device 42 are the same as... Figure 4 The examples shown are different.

[0118] When cooking, the food and water in the inner pot 4 of the cooking appliance 1 generate cooking steam. To vent this cooking steam to the outside environment, such as... Figure 5 As shown, the cover 3 is also provided with a cooking steam exhaust channel P12 and a steam exhaust channel P2 for the steam discharged from the cooking chamber to pass through. The cooking steam exhaust channel P12 is connected to the cooking chamber and the steam exhaust channel P2. The cooking steam can first enter the cooking steam exhaust channel P12 and then be discharged to the external environment through the steam exhaust channel P2.

[0119] For the infrared heating device 100, one example is that the infrared heating device 100 can be an infrared electric heating tube. For example, an infrared heating element is encapsulated in a glass tube to form an infrared electric heating tube. In this example, the cover 3 also includes a light-transmitting isolation plate forming a plate-like component, which is disposed below the infrared electric heating tube. An alternative example is that the infrared heating device 100 can be an electrically conductive electric heating film disposed on a plate-like component. In this example, the plate-like component used to dispose of the electric heating film is at least partially light-transmitting. Another alternative example, referring to the illustrated example, is that the infrared heating device 100 includes a radiant plate 110 forming a plate-like component and a heating assembly 120 for heating the radiant plate 110. The heat generated by the heating assembly 120 can be transferred to the radiant plate 110, and the radiant plate 110, after being heated, can radiate infrared rays into the cooking cavity. The radiant plate 110 can be a ceramic plate, a carbon plate made of carbon material, etc. A light-transmitting isolation plate can be disposed below the radiant plate 110. Alternatively, the radiant plate 110 is exposed inside the cooking cavity, with at least a portion of its lower surface forming the top surface of the cooking cavity; more specifically, at least a portion of the radiant plate 110 forms the top wall of the cooking cavity. The temperature of the radiant plate 110 can be controlled by controlling the power or heating temperature of the heating assembly 120.

[0120] Using the illustrated example, the structure of cover 3 will be further described. For example... Figure 3 and Figure 7 As shown, the inner liner 9 has an inner liner through-hole 20, and the radiating plate 110 (plate-shaped piece) is installed at the inner liner through-hole 20. The cover plate 14 is disposed below the radiating plate 110. The cover plate 14 is at least partially transparent. The cover plate 14 is partially provided with a light-transmitting through-hole 21 that constitutes an infrared light-transmitting zone. The light-transmitting through-hole 21 corresponds to the position of the radiating plate 110. In other words, the light-transmitting through-hole 21 is located directly below the radiating plate 110. The infrared rays generated by the radiating plate 110 can be radiated toward the inner pot 4 through the inner liner through-hole 20 and the light-transmitting through-hole 21. Alternatively, the cover plate 14 can be made entirely of a light-transmitting material such as glass, in which case the entire structure constitutes an infrared light-transmitting zone, or the portion corresponding to the radiating plate 110 can be made of a light-transmitting material, i.e., a light-transmitting part. In this case, the light-transmitting part constitutes an infrared light-transmitting zone. Alternatively, the cover plate 14 can serve as an isolation plate. Alternatively, the radiating plate 110 can be fixedly mounted on the removable cover assembly 13, in which case the radiating plate 110 serves as a cover plate.

[0121] like Figure 6 and Figure 7As shown, the inner liner 9 may be provided with a support portion 22. The support portion 22 is disposed around the through hole 20 of the inner liner, and the support portion 22 forms a closed annular structure. The outer edge of the radiating plate 110 can overlap the bottom wall of the support portion 22 and abut against the side wall of the support portion 22. The support portion 22 can provide an upward supporting force to the radiating plate 110 and restrict the horizontal movement of the radiating plate 110, facilitating the fixation of the radiating plate 110. In one example, the support portion 22 can be recessed downward, and the radiating plate 110 is accommodated in the recessed support portion 22. In another example, the support portion 22 is a planar structure, i.e., it does not form a recess. A peripheral sealing ring 130 is fitted around the outer periphery of the radiating plate 110 to form a seal between the radiating plate 110 and the inner liner 9. The infrared heating device 100 also includes a fixing member 140. The fixing member 140 can be connected to the inner liner 9, and the outer edge of the radiating plate 110 is sandwiched between the fixing member 140 and the support portion 22. The fastener 140 may optionally be configured as a ring, which can be connected to the liner 9 by a suitable means such as snap-fit, fastener connection such as screws, welding, etc.

[0122] Additionally, the cover 3 may also include a through-hole sealing ring 23. The through-hole sealing ring 23 can be disposed at the edge of the light-transmitting through-hole 21 and located between the radiating plate 110 and the inner liner 9, abutting against the lower surface of the radiating plate 110. Forming a seal at the light-transmitting through-hole 21 prevents steam from entering the interior of the cover 3 through the gap between the radiating plate 110 and the cover plate 14, thereby improving the sealing effect of the cover 3. For example, a pressure ring 24 can be provided to clamp a portion of the through-hole sealing ring 23 between the pressure ring 24 and the cover plate 14, and the pressure ring 24 can be fixed to the cover plate 14 by a bendable clip.

[0123] The shapes of the inner lining through-hole 20, the light-transmitting through-hole 21, the support portion 22, and the through-hole sealing ring 23 correspond to the shape of the radiant plate 110. For example, the radiant plate 110 may have a clearance notch 111, and the inner lining 9 may have a protrusion 25 protruding towards the center of the inner lining through-hole 20, the protrusion 25 engaging with the clearance notch 111. A portion of the steam passage P1 may be located on the protrusion 25. With this design, the area of ​​the radiant plate 110 can be designed to be larger, and the steam passage P1 can be arranged on one side of the radiant plate 110, specifically the rear side, with an appropriate area proportion. Here, the steam passage P1 includes the aforementioned supplementary steam supply passage P11 and / or cooking steam exhaust passage P12. Correspondingly, the cover plate 14 also has a protrusion 25, and the protrusions 25 of both the cover plate 14 and the inner lining 9 are vertically aligned.

[0124] To simplify the structure and optimize the use of space within the cover 3, this application uses a single component to form the supplementary steam supply channel P11 and the cooking steam exhaust channel P12, instead of using separate components to form these two channels. Specifically, the cover 3 also includes a steam channel assembly 200 for forming the supplementary steam supply channel P11 and the cooking steam exhaust channel P12. The steam channel assembly 200 is located on the upper side of the cover plate 14 and the lower side of the inner liner 9. The steam channel assembly 200 is located on one side of the infrared heating device 100, specifically on the rear side of the infrared heating device 100. Figure 8 As shown, the liner 9 has a mounting recess 26 for receiving the steam passage assembly 200. The mounting recess 26 is located behind the through hole 20 in the liner and is recessed upward from the lower surface of the liner 9. At least a portion of the steam passage assembly 200 is received within the mounting recess 26. The size and shape of the mounting recess 26 are adapted to the outer contour of the steam passage assembly 200.

[0125] like Figure 9 , Figure 10 and Figure 11 As shown, the steam passage assembly 200 also includes a steam inlet 201 and a steam outlet 202 connected to the supplementary cooking steam supply passage P11. The steam inlet 201 is used to receive steam from the steam generator 40, and the steam outlet 202 is used to connect the supplementary cooking steam supply passage P11 to the cooking chamber. The location of the steam inlet 201 corresponds to the outlet of the water container 41, specifically located above the water container 41. Figure 4 The steam inlet flow path is schematically marked with arrows. Specifically, the steam generated after the water in the water container 41 is heated enters the supplementary cooking steam supply channel P11 through the steam inlet 201, flows along the supplementary cooking steam supply channel P11 and enters the cooking chamber through the supplementary cooking steam outlet 202.

[0126] The steam passage assembly 200 also includes a cooking steam inlet 203 and a cooking steam outlet 204 communicating with the cooking steam exhaust passage P12. The cooking steam inlet 203 connects the cooking steam exhaust passage P12 to the cooking chamber, and the cooking steam outlet 204 discharges steam from the cooking steam exhaust passage P12. The cover body 8 includes the aforementioned exhaust passage P2. The cooking steam outlet 204 is located corresponding to the exhaust passage P2 of the cover body 8. The cover body 3 also includes a steam valve 27 and a steam seal 28 forming the exhaust passage P2, both of which are vertically inserted into the cover body 8. The steam seal 28 is inserted into the upwardly protruding cylindrical wall 37 of the cover body 8, abutting against the bottom of the steam valve 27 and against the upper surface of the steam passage assembly 200. Figure 5The steam flow path is schematically marked with arrows. Specifically, the steam in the cooking chamber enters the cooking steam exhaust channel P12 through the cooking steam inlet 203, flows along the cooking steam exhaust channel P12, and flows through the cooking steam outlet 204 to the exhaust channel P2, and is then discharged to the external environment.

[0127] The steam passage assembly 200 includes a passage base shell 205 and a passage top plate 206. The passage top plate 206 is located above the passage base shell 205 and can cover the passage base shell 205. A steam seal 28 abuts against the upper surface of the passage top plate 206. The outer peripheral contours of the passage base shell 205 and the passage top plate 206 correspond in shape and size, and the figure schematically shows that the outer peripheral contours of the passage base shell 205 and the passage top plate 206 are approximately triangular.

[0128] The bottom shell 205 is connected to the top plate 206, forming a supplementary steam supply passage P11 and a cooking steam exhaust passage P12 between them. Further, a portion of these two steam passages P1 is formed by the bottom shell 205 or components thereon, and another portion by the top plate 206 and components thereon. The steam passage assembly 200 includes two passage seals, namely a supplementary steam passage seal and a cooking steam passage seal 207, used to form seals at the supplementary steam supply passage P11 and the cooking steam exhaust passage P12, respectively. In the example where the bottom shell 205 forms the bottom wall of the steam passage P1, the bottom shell 205 has a passage wall 209 extending upward from its upper surface, forming the peripheral sidewall of the steam passage P1.

[0129] In one example, the supplementary steam supply channel P11 and the cooking steam exhaust channel P12 are respectively located in different areas of the channel bottom shell 205. In this example, the channel bottom shell 205 forms the bottom wall of these two steam channels P1, and two channel seals are clamped at different positions on the channel walls, thereby the channel bottom shell 205 and the channel top plate 206 enclose the two steam channels P1. Alternatively, the channel bottom shell 205 is provided with a pressure plate, which forms the bottom wall of the two steam channels P1; in this embodiment, the pressure plate can be used to fix the channel seals, which abut against the channel top plate 206. Thus, the pressure plate, the channel seals, and the channel top plate 206 enclose the two steam channels P1.

[0130] Another example is, such as Figure 9As shown, the supplementary steam supply channel P11 is located inside the cooking steam exhaust channel P12. In this example, the bottom shell 205 or its bottom wall component forms the bottom wall of the cooking steam exhaust channel P12, thereby forming the cooking steam exhaust channel P12 with the top plate 206. The steam channel assembly 200 also includes a groove-shaped supplementary steam channel component 208, which is located between the bottom shell 205 and the top plate 206. The supplementary steam channel component 208 on the bottom shell 205 forms the bottom wall and peripheral sidewall of the supplementary steam supply channel P11, thereby forming the supplementary steam supply channel P11 with the top plate 206. In the illustrated example, the supplementary steam channel component 208 is entirely made of an elastic sealing material, thus providing a sealing function and can also be referred to as a channel seal. The supplementary steam channel component 208 forms an internal seal. A cooking steam passage seal 207 is disposed between the outer peripheries of the passage bottom shell 205 and the passage top plate 206 to form an external seal. In the illustrated example, the cooking steam passage seal 207 is annular and is fixed in a groove on the outer periphery of the passage top plate 206, with the outer peripheral wall 209 of the passage bottom shell 205 abutting against the cooking steam passage seal 207.

[0131] In the illustrated example, the supplementary steam passage component 208 can be independently fixed to the passage bottom shell 205. Eliminating the need for a pressure plate with a fixing sealing ring reduces the number of components, simplifies the structure and assembly process, and facilitates efficient use of the internal space of the cover 3, as well as improved assembly efficiency. In an alternative example, the supplementary steam passage component 208 includes a pressure plate that presses the bottom wall of the supplementary steam passage component 208 against the passage bottom shell 205. Its sidewalls, together with the pressure plate, form most of the supplementary steam supply passage P11. The top of this sidewall abuts against the lower surface of the passage top plate 206, thus constituting the entire supplementary steam supply passage P11. The pressure plate is preferably made of a rigid metal material that is not prone to rust. Near the supplementary steam outlet, fasteners are used to connect the pressure plate, the bottom wall of the passage bottom shell, and the cover plate of the removable cover assembly. In some alternative examples, the steam passage assembly includes a tubular component that can independently constitute the supplementary steam supply passage. For example, the tubular component can be something like a rubber hose.

[0132] The cover plate 14, forming the top wall of the cooking cavity, needs to be made of food-grade material. The channel bottom shell 205 and channel top plate 206 are independent components and can be manufactured using different materials than the cover plate 14. Components forming the steam channel P1, such as the channel bottom shell 205, channel top plate 206, bottom wall components, and / or supplementary steam channel components 208, are also made of food-grade material. This design eliminates the need for a cover body 8 to form the top wall of the steam channel P1, thus avoiding the need for a cover body 8 to be made of food-grade material and saving material costs.

[0133] The steam channel assembly 200 is at least partially mounted on the removable cover assembly 13, so that the steam channel assembly 200 is at least partially removed from the cover 3 along with the removable cover assembly 13, allowing for cleaning of the two steam channels P1 on the steam channel assembly 200. A light-transmitting hole 21 is located near the front end 36a of the removable cover assembly 13. The steam channel assembly 200 is located near the rear end of the removable cover assembly 13. The light-transmitting hole 21 and the steam channel assembly 200 can be arranged front and back, with the light-transmitting hole 21 in front and the steam channel assembly 200 in the back, allowing the light-transmitting hole 21 to be designed to occupy a larger cooking area. The cover plate 14 defines a cooking area within the pot opening sealing ring 7, and the light-transmitting hole 21 is located within this cooking area and occupies an area greater than 3 / 5 of the cooking area, for example, 8 / 10, 4 / 5, etc. The steam channel assembly 200 is located outside the area of ​​the light-transmitting hole 21.

[0134] In the illustrated example, at least the channel bottom shell 205 is mounted on the removable cover assembly 13, so that at least the channel bottom shell 205 can be removed from the cover body 3 together with the removable cover assembly 13. Specifically, the channel bottom shell 205 is connected to the removable cover assembly 13 to be removed from or installed onto the cover body 3 together with the removable cover assembly 13. Thus, at least the channel bottom shell 205 can be removed from the cover body 3 to allow for cleaning of the two steam channels P1. The channel top plate 206 can be separated from the channel bottom shell 205 to expose the interior of the steam channel P1 for better cleaning.

[0135] As illustrated, the top plate 206 of the passage is detachably connected to the bottom shell 205 of the passage, allowing it to be removed from or installed onto the cover 3 along with the bottom shell 205. When cleaning the steam passage P1 is required, the entire assembly consisting of the steam passage assembly 200 and the removable cover assembly 13 can be removed from the cover 3, and then the top plate 206 can be removed from the bottom shell 205. This exposes part of the steam passage P1 on the top plate 206 and part of the steam passage P1 on the bottom shell 205. The removable cover assembly 13 and the bottom shell 205, removed from the cover 3, can be washed with water by the user, and the top plate 206, removed from the cover 3, can be washed separately with water. The user can easily clean the steam passage P1 with good cleaning results.

[0136] Alternatively, the channel top plate 206 can be integrally designed with or detachably connected to the cover body 8. When it is necessary to clean the steam passage P1, the entire assembly consisting of the channel bottom shell 205 and the removable cover assembly 13 can be removed from the cover body 3. This exposes part of the steam passage P1 on the channel top plate 206 and part of the steam passage P1 on the channel bottom shell 205. The removable cover assembly 13 and the channel bottom shell 205, which are removed from the cover body 3, can be washed with water by the user, and the channel top plate 206, which remains on the cover body 3, can be wiped clean by the user. In this solution, the channel top plate 206 mates with the channel bottom shell 205 on the removable cover assembly 13 when the removable cover assembly 13 is installed on the cover body 3 to form a closed steam passage P1.

[0137] The bottom shell 205 of the channel is provided with the aforementioned supplementary steam outlet 202 and cooking steam inlet 203. The top plate 206 of the channel is provided with a cooking steam outlet 204. In other examples not shown, the cover plate 14 may be provided with the aforementioned supplementary steam outlet 202 and cooking steam inlet 203, and the bottom shell 205 of the channel is provided with a channel structure at the positions corresponding to the steam inlet 201 and the supplementary steam outlet 202. A sealing element is sandwiched between the channel structure and the cover plate 14. In the illustrated example where the steam generating device 40 is provided in the pot body 2, the bottom shell 205 of the channel is provided with the aforementioned steam inlet 201 to allow steam to enter from the bottom. In the example where the steam generating device 40 is provided in the cover body 3, the top plate 206 of the channel is provided with the aforementioned steam inlet 201 to allow steam to enter from the top.

[0138] See back Figure 6 and Figure 8 The cover 3 also includes a temperature measuring device 50 for detecting the temperature of the steam in the cooking chamber. The temperature measuring device 50 includes a temperature measuring element 51. The temperature measuring element 51 is located above the cooking steam inlet 203 and extends into the cooking steam exhaust channel P12. Specifically, the top plate 206 of the channel is provided with a temperature measuring hole 219, and at least a portion of the temperature measuring element 51 is placed in the cooking steam exhaust channel P12 through the temperature measuring hole 219.

[0139] The construction of the steam channel assembly 200 is further described below using the illustrated example.

[0140] like Figure 12 and Figure 13As shown, the bottom shell 205 extends beyond the rear of the cover plate 14 in both the longitudinal and transverse directions on the horizontal plane. Specifically, the steam passage assembly 200 spans across the cover plate 14 and the cover plate seat 15. The steam inlet 201 is located at the transverse side end 210 of the bottom shell 205. The steam generator 40 is located at the rear corner of the pot body 2, and the transverse side end 210 of the bottom shell 205 corresponds to the corner of the cover body 3. This allows the position of the steam inlet 201 to correspond vertically with the water container 41 of the steam generator 40, and steam enters the steam inlet 201 from bottom to top, resulting in a short and direct steam path between the steam inlet 201 and the water container 41. At least the supplementary cooking steam outlet 202 is located at the longitudinal front end 211 of the bottom shell 205. In the illustrated example, both the supplementary cooking steam outlet 202 and the cooking steam inlet 203 are located at the longitudinal front end 211 of the bottom shell 205. Cooking steam outlet 204 is spaced apart from cooking steam inlet 203 in the longitudinal direction. Supplementary cooking steam outlet 202, cooking steam inlet 203, and cooking steam outlet 204 are located near or approximately on the longitudinal centerline CL of cover plate 14.

[0141] The supplementary steam supply channel P11 has a supplementary steam outlet 202 at one end and a steam inlet 201 at the other end. In other words, the steam inlet 201 and the supplementary steam outlet 202 are located at opposite ends of the supplementary steam supply channel P11. Optionally, the supplementary steam supply channel P11 is a straight channel, with its centerline forming a predetermined angle with the centerline extending in the front-rear direction of the cover plate 14. Furthermore, the supplementary steam supply channel P11 is inclined relative to the longitudinal centerline of the cover 3, more specifically, to the longitudinal centerline CL of the cover plate 14. It should be noted that in the example of the detachable cover assembly 13, the longitudinal centerlines CL of the cover plate 14 and the detachable cover assembly 13 are collinear. It should be noted that the terms "longitudinal" and "longitudinal direction" used herein refer to the front-rear direction, while "lateral" and "lateral direction" refer to the left-right direction.

[0142] like Figure 14As shown, to secure the channel bottom shell 205 to the detachable cover assembly 13, the cover plate seat 15 includes a plate-shaped seat support portion 29, which protrudes from the rear of the cover plate 14. The steam channel assembly 200 spans the cover plate 14 and the seat support portion 29. The channel bottom shell 205 can be connected to the seat support portion 29 by a suitable method such as channel welding or fastener connection such as screws. The detachable cover assembly 13 is provided with a supplementary steam docking cover 30, which can be closed onto the top opening of the water container 41 when the cover body 3 is closed. The supplementary steam docking cover 30 is also provided with a supplementary steam docking seal 31, which forms a seal between the water container 41 and the supplementary steam docking cover 30 when the cover body 3 is closed. The supplementary steam docking cover 30 is provided with a supplementary steam inlet 35, from which supplementary steam enters the supplementary steam supply channel P11. The steam docking cover 30 is connected to or integrally disposed on the near rear end 36b of the cover plate seat 15 (see...). Figure 13 The area is specifically located in the seat support part 29.

[0143] The top plate 206 of the passageway is detachably connected to the bottom shell 205 of the passageway via a snap-fit ​​structure. The snap-fit ​​structure includes a fixed snap-fit ​​212 and a movable snap-fit ​​213, corresponding to different sides of the steam passageway assembly 200. The fixed snap-fit ​​212 is connected to the bottom shell 205 and has a latch 214. The movable snap-fit ​​213 is rotatably connected to the support portion 29. The top plate 206 of the passageway has a first protrusion 215 that engages with the fixed snap-fit ​​212 and a second protrusion 216 that engages with the movable snap-fit ​​213. The first protrusion 215 can be engaged with the latch 214 of the fixed snap-fit ​​212, and the second protrusion 216 can be engaged from above by the movable snap-fit ​​213. The support portion 29 has upwardly protruding columns spaced apart, and the movable snap-fit ​​213 is rotatably connected to the columns. During assembly, first snap the first protrusion 215 into the slot 214 of the fixing buckle 212 to secure one side of the component; then rotate the movable buckle 213 to engage with the second protrusion 216 to secure the other side of the component. When disassembly is required, first unlock the movable buckle 213, and then separate the fixing buckle 212.

[0144] The cover plate 14 forms at least a portion of the top surface of the cooking cavity, and an inlet / outlet concentrated distribution area R is provided in this portion forming the top surface. Figure 11 and Figure 13The approximate location and shape of the inlet / outlet concentration area R are indicated by dashed lines. This area R houses the supplementary steam outlet 202 and the cooking steam inlet 203. Specifically, the area near the rear end 36b of the cover plate 14 contains the inlet / outlet concentration area R of the steam channel assembly 200. As illustrated, the channel bottom shell 205 has the inlet / outlet concentration area R located near the rear end 36b of the cover plate 14. This clever design concentrates the supplementary steam outlet 202 and the cooking steam inlet into a relatively small area, eliminating the need for separate seals and sealing structures at each outlet, simplifying manufacturing and assembly processes, and resulting in a more concise structure. The inlet / outlet concentration area R is located at the front end of the channel bottom shell 205 in the longitudinal direction.

[0145] Specifically, the bottom shell 205 of the passage includes a downwardly protruding steam passage 217, which has a steam outlet 218 for connecting the steam passage P1 to the cooking chamber. The steam outlet 218 includes a supplementary steam outlet 202 connected to the supplementary steam supply passage P11 and / or a cooking steam inlet 203 connected to the cooking steam exhaust passage P12. That is, the supplementary steam outlet 202 and / or the cooking steam inlet 203 are located in the steam passage 217. In the illustrated example, the inlet and outlet concentrated distribution area R is located in the steam passage 217, thus the supplementary steam outlet 202 and the cooking steam inlet 203 are located in the steam passage 217. The cover plate 14 has a steam passage hole 32, and the steam passage 217 can be inserted through and combined with the steam passage hole 32. The bottom shell 205 of the channel can be closer to the cover plate 14 at the downward protruding steam passage 217. The steam passage 217 is limited within the steam passage through hole 32. On the one hand, the steam passage 218 on the steam passage 217 can communicate with the cooking cavity. On the other hand, the cover plate 14 restricts the horizontal position of the bottom shell 205 at the steam passage 217, preventing the bottom shell 205 from moving horizontally relative to the cover plate 14.

[0146] The steam passage section 217 is located at the front end 211 of the channel bottom shell 205 in the longitudinal direction. The design allows for better utilization of the longitudinal space of the steam channel assembly 200 to accommodate the longer steam channel P1, thus miniaturizing the longitudinal dimensions of the steam channel assembly 200. Consequently, the portion of the steam channel assembly on the cover plate 14 is smaller, and its area proportion is smaller. The steam passage section 217 is configured to fit the steam passage hole 32 in both shape and size. The structure between the steam passage section 217 and the cover plate 14 can be more compact, effectively limiting the horizontal movement of the channel bottom shell 205 relative to the cover plate 14. Additionally, it improves the overall appearance of the inner side of the cover 3.

[0147] The cover 3 also includes a steam passage cover 33 and a steam passage area seal 34. The steam passage cover 33 and the steam passage portion 217 are located on opposite sides of the cover plate 14, with the steam passage cover 33 positioned below the cover plate 14 to fix the steam passage portion 217 to the cover plate 14. The steam passage area seal 34 is disposed between one of the steam passage cover 33 and the steam passage portion 217 and the edge of the steam passage through hole 32. For example, as shown in the illustration, the steam passage area seal 34 is disposed between the cover plate 14 and the steam passage portion 217 to form a seal between the cover plate 14 and the steam passage portion 217. The steam passage portion 217 is located within the steam passage through hole 32 and connected to the steam passage cover 33, with the periphery of the steam passage cover 33 larger than the steam passage through hole 32. The edge of the steam passage through hole 32 can be clamped between the steam passage portion 217 and the steam passage cover 33, and the steam passage area seal 34 is clamped between the cover plate 14 and the steam passage portion 217. Optionally, the steam passage cover 33 is welded to the steam passage part 217. Alternatively, the steam passage cover 33 is connected to the steam passage part 217 by threads. Alternatively, the steam passage cover 33 is connected to the steam passage part 217 by fasteners.

[0148] like Figures 4 to 6 As shown, the steam channel assembly 200 is located near the rear end of the cover 3 and is arranged horizontally parallel to the infrared heating device 100. The liner 9 has an infrared mounting area R51 and a steam channel mounting area R52. The infrared mounting area R51 is arranged horizontally parallel to the steam channel mounting area R52, and at least a portion of the infrared heating device 100 is located in the infrared mounting area R51, which has the aforementioned liner through-hole 20 and support portion 22. At least a portion of the steam channel assembly 200 is located in the steam channel mounting area R52, which has the aforementioned mounting recess 26. In the illustrated example, the radiation plate 110, heating assembly 120, and fixing member 140 are located in the infrared mounting area R51; most of the channel bottom shell 205 and channel top plate 206 are located in the steam channel mounting area R52.

[0149] The liner 9 is provided with a spacer wall 38. The infrared mounting area R51 is separated from the steam passage mounting area R52 by the spacer wall 38. The thin wall on the liner 9 separates the infrared mounting area R51 and the steam passage mounting area R52, allowing for the formation of two independent and closer areas. The spacer wall 38 protrudes more towards the infrared mounting area R51 in the middle of its lateral direction relative to its two ends in the lateral direction, thus forming a clearance recess R4 on one side of the steam passage mounting area R52. The steam passage assembly 200 is partially located within the clearance recess R4.

[0150] The cover plate 14 is provided with the aforementioned infrared light-transmitting area R12 and steam channel support area R13. The infrared light-transmitting area R12 is arranged parallel to the steam channel support area R13 in the horizontal direction, and the infrared light-transmitting area R12 is located below the infrared heating device 100 and is positioned accordingly to allow infrared rays to pass through. The front end of the steam channel assembly 200 is supported by the steam channel support area R13. The infrared light-transmitting area R12 occupies the portion of the cover plate 14 except for the rear part, and the steam channel support area R13 occupies the rear part of the cover plate 14. The inlet and outlet concentrated distribution area R31 is located in the steam channel support area R13.

[0151] The cover 3 has a bottom surface. For example... Figure 5 and Figure 6 As shown, the portion of the bottom surface of the lid inside the pot opening is the cooking area R1, and the portion of the bottom surface of the lid outside the pot opening is the peripheral area R10. (See also...) Figure 2 The bottom surface of the lid mainly includes the portion of the bottom surface of the inner liner 9 formed by the bottom surface of the lid and the portion of the bottom surface of the lid plate 14 formed by the bottom surface of the lid plate 14. The lid plate 14 at least constitutes a part of the cooking area R1. The lid plate seat 15 is outside the pot opening, that is, within the perimeter area R10 of the lid bottom.

[0152] like Figure 6 , Figure 15 , Figure 16 As shown, the infrared heating device 100 forms an infrared radiation region R2 on the plane P where the pot opening is located, and the infrared radiation region R2 is located within the cooking region R1. The steam channel assembly 200 forms a steam channel region R3 on the plane P where the pot opening is located. The front end of the steam channel region R3 is located within the cooking region R1 so that the supplementary steam supply channel P11 and the cooking steam exhaust channel P12 are connected to the cooking cavity. It should be noted that the cooking region R1 includes a non-infrared light-transmitting area R11 forming the top surface of the cooking cavity of the cover plate 14 and an infrared light-transmitting area R12 formed by light-transmitting holes 21 or light-transmitting parts; the infrared radiation region R2 is the projection of the main body of the infrared heating device 100 on the plane P where the pot opening is located. Here, the main body refers to the structure used for the generation, concentration, reflection and / or heat insulation of infrared rays. For the illustrated example, the infrared radiation region R2 is the projection of the radiating plate on the plane P where the pot opening is located; the steam channel region R3 is the projection of the steam channel assembly 200 on the plane P where the pot opening is located.

[0153] It should be noted that when the cooking utensil 1 is placed on a horizontal surface and the lid 3 is closed, the plane P where the pot opening is located is basically parallel to the horizontal plane; the area of ​​the bottom surface of the lid at the inner liner 9 is also usually parallel to the horizontal plane. Therefore, the area of ​​the bottom surface of the lid at the inner liner 9 is basically parallel to the plane P where the pot opening is located. Thus, the infrared radiation area R2 and the steam channel area R3 can be understood as the projection of the area of ​​the bottom surface of the lid at the inner liner 9 onto the plane, or as the projection onto the plane P where the pot opening is located.

[0154] Figure 6 This shows the approximate horizontal location of these three regions; Figure 15 The shape and location of the infrared radiation region R2 and the steam channel region R3 on the plane are shown. Figure 16 The shape and location of the cooking zone R1 and the infrared radiation zone R2 are shown. Figure 15 and Figure 16 The arrows indicate the outer contours of these areas.

[0155] The steam channel area R3 is located behind the infrared radiation area R2. The steam channel area R3 is adjacent to the rear end of the cover 3 and can be arranged horizontally parallel to the infrared radiation area R2. The steam channel area R3 includes an inlet / outlet concentrated distribution area R31. The inlet / outlet concentrated distribution area R31 is located within the cooking area R1. The inlet / outlet concentrated distribution area is adjacent to the rear end of the cover, and R31 is located behind the infrared radiation area R2. The supplementary steam outlet 202 and the cooking steam inlet 203 are concentrated in the inlet / outlet concentrated distribution area R31. This clever design concentrates the supplementary steam outlet and cooking steam inlet in a relatively small area, which is beneficial for utilizing the space at the rear of the cover 3 to arrange the steam channel assembly 200. This allows the steam channel area R3 to occupy a smaller portion of the cooking area R1, while the infrared radiation area R2 occupies a larger portion. The area of ​​the infrared radiation area R2 does not need to be reduced due to the addition of the supplementary steam supply channel P11 in the cover 3. The internal spatial layout of the cover is rationally adjusted, effectively solving the problem of insufficient internal space when simultaneously installing the infrared heating device and the steam channel assembly. Furthermore, it eliminates the need for separate seals and sealing structures at the two openings, simplifying the manufacturing and assembly process and making the structure more concise.

[0156] The infrared radiation area R2 occupies the middle and / or periphery of the cooking area R1, excluding the rear. The steam passage area R3 occupies the rear of the cooking area R1, and thus the inlet / outlet concentration area R31 also occupies the rear of the cooking area R1. The supplementary steam supply passage P11 can extend from the rear of the cover plate 14 and toward the rear of the cover body 3, which helps to reduce the area occupied by the steam passage area R3 in the cooking area R1; and shortens the extension path of the supplementary steam supply passage P11, thereby shortening the steam flow distance and allowing the steam to quickly reach the cooking chamber, avoiding energy loss. As mentioned above, the cover plate 14 has an infrared light-transmitting area R12 for infrared rays to pass through. The infrared light-transmitting area R12 falls into the infrared radiation area R2 and occupies the middle and / or periphery of the cooking area R1, excluding the rear. The infrared light-transmitting area R12 corresponds to the infrared radiation area R2 in shape and size. The infrared light-transmitting area R12 is designed to have a large area to reduce the obstruction of infrared rays by the cover plate 14. The infrared light-transmitting area R12 is described below using the light-transmitting through-hole 21 as an example.

[0157] The inlet and outlet concentrated distribution area R31 is located at the rear of the cover plate 14. The exhaust passage P2 is located at the rear of the cover body 3, the cooking steam inlet 203 is located at the rear of the cover plate 14, and the cooking steam exhaust passage P12 extends between the rear of the cover plate 14 and the rear of the cover body 3. This arrangement results in a shorter extension path for the cooking steam exhaust passage P12, which is beneficial for the miniaturization of the cover body 3. The supplementary cooking steam outlet 202 is also located at the rear of the cover plate 14, and the supplementary cooking steam supply passage P11 extends from the rear of the cover plate 14 towards the rear of the cover body 3. This shortens the extension path of the supplementary cooking steam supply passage P11, which is also beneficial for the miniaturization of the cover body 3. Furthermore, in order to simplify the design structure of the cover plate 14, the supplementary steam outlet 202 is concentrated in the area where the cooking steam inlet 203 is located. These two steam outlets can be formed in one area of ​​the cover plate 14 by the same means. When the cover 3 is in the open state, the user can observe two steam outlets in one area on the inside of the cover plate 14. Compared with two steam outlets that are scattered in different areas, the solution of this application makes the user's perception better and the integrity of the inner appearance of the product better.

[0158] The inlet / outlet concentration area R31 can be arranged on the longitudinal centerline CL of the cover plate 14. On the one hand, this allows the steam entering through the supplementary steam outlet 202 to diffuse laterally from the center to the left and right sides, resulting in more uniform steam diffusion and more effective wetting of large areas of food. On the other hand, it improves the overall appearance of the inner side of the cover 3. Furthermore, it is more suitable for circular / elliptical cover plates with an arc-shaped rear, as the inlet / outlet concentration area R31 is closer to the rear edge of the cover plate 14 in the lateral direction compared to the left and right sides, thus maximizing the utilization of the central space.

[0159] The inlet / outlet concentrated distribution area R31 has an axisymmetric shape, and its center is on the longitudinal centerline CL of the cover plate 14. For example, the shape of the inlet / outlet concentrated distribution area R31 can be designed as an axisymmetric shape such as a circle, square, ring, semicircle, or ellipse as needed. The structural design can be improved by improving the shape of the area, so that the structure adapted to the shape of the area can have a simple construction. For example, the construction of the supplementary steam outlet 202 and the cooking steam inlet 203 is simple, improving the overall appearance of the inner side of the cover 3.

[0160] The area defined by the supplementary steam outlet 202 has a first center C1, and the area defined by the cooking steam inlet 203 has a second center C2. The first center C1 and the second center C2 are located on opposite sides of the longitudinal centerline CL. It should be noted that the area defined by the supplementary steam outlet 202 refers to the area where the supplementary steam outlet 202 is planned to be located in the design; similarly, the area defined by the cooking steam inlet 203 refers to the area where the cooking steam inlet 203 is planned to be located in the design. When there is one or more supplementary steam outlets 202 and one or more cooking steam inlets 203, the area defined by each outlet is that outlet, with the first center C1 being the center of the supplementary steam outlet 202 and the second center C2 being the center of the cooking steam inlet 203. When there are two or more outlets, the area defined by each outlet includes all outlets. The supplementary cooking steam outlet 202 primarily occupies the area of ​​the inlet / outlet concentrated distribution area R31 on one side of the longitudinal centerline CL, while the cooking steam inlet 203 primarily occupies the area of ​​the inlet / outlet concentrated distribution area R31 on the other side of the longitudinal centerline CL. Optionally, the supplementary cooking steam outlet 202 and the cooking steam inlet 203 are located on opposite sides of the longitudinal centerline CL. This results in the supplementary cooking steam outlet 202 occupying the area of ​​the inlet / outlet concentrated distribution area R31 on one side of the longitudinal centerline CL, and the cooking steam inlet 203 occupying the area of ​​the inlet / outlet concentrated distribution area R31 on the other side of the longitudinal centerline CL. The supplementary cooking steam outlet 202 and the cooking steam inlet 203 each have a certain amount of space in the transverse direction, which facilitates the design of the channel structure of the supplementary cooking steam supply channel P11 and the cooking steam exhaust channel P12.

[0161] like Figure 15 As shown, the first center C1 has a first distance d1 from the longitudinal centerline CL, and the second center C2 has a second distance d2 from the longitudinal centerline CL, where d1 = d2. In the design, the size and shape of the supplementary steam outlet 202 and the cooking steam inlet 203 are designed based on their respective regional centers, with the distances from the regional centers to the longitudinal centerline CL being equal. This simplifies the structural design and improves the overall appearance of the inner side of the cover 3. The first center C1 and the second center C2 are on a transverse reference line RL. This scheme simplifies the structural design and improves the overall appearance of the inner side of the cover 3. For the circular supplementary steam outlet 202 and cooking steam inlet 203, the center of the supplementary steam outlet 202 and the center of the cooking steam inlet 203 have a third distance d3. The radius of the supplementary steam outlet 202 is d4, and the radius of the cooking steam inlet 203 is d5, where d3 > d4 + d5. Therefore, there is a certain interval between the supplementary steam outlet 202 and the cooking steam inlet 203.

[0162] Of the three areas—the inlet / outlet concentration area R31, the area defined by the supplementary steam outlet 202, and the area defined by the cooking steam inlet 203—at least the shape of the inlet / outlet concentration area R31 corresponds to the shape of the outer contour of the cover plate 14. For example, if the outer contour of the cover plate 14 is circular, the inlet / outlet concentration area R31 is also circular, the area defined by the supplementary steam outlet 202 is circular, and the area defined by the cooking steam inlet 203 is circular. The structural design can be improved by considering the shape of these areas, resulting in a consistent and simple overall structure for the cover 3, and also enhancing the overall appearance of the inner side of the cover 3.

[0163] The infrared radiation area R2 and the steam channel area R3 are independent of each other and have a preset distance. The infrared heating device 100 and the steam channel assembly 200 occupy different spaces in the cover 3 in the horizontal direction, and there is an assembly distance between them, so that the installation structure can be set up independently using the assembly distance without affecting the assembly of each other. Optionally, the rear part of the infrared radiation area R2 forms a convex profile protruding towards the center of the cover plate 14, and the convex profile constitutes the aforementioned avoidance recess R4. This avoidance recess R4 corresponds to the protrusion 25 on the liner 9 and the cover plate 14. In the projection direction perpendicular to the plane P where the pot opening is located, the front end of the steam channel area R3 is partially located within the avoidance recess R4. The infrared radiation area R2 and the steam channel area R3 can be arranged closer and more compactly, so that the area of ​​the infrared radiation area R2 meets the cooking requirements without significantly increasing the size of the cover plate 14 due to the addition of the steam channel assembly 200, which is beneficial to the miniaturization of the cover 3.

[0164] The inlet / outlet concentrated distribution area R31 is located at the front end of the steam channel area R3. The front end of the steam channel area R3 is partially located within the avoidance recess R4, and the inlet / outlet concentrated distribution area R31 can also be at least partially located within the avoidance recess R4. The infrared radiation area R2 and the steam channel area R3 can be arranged closer and more compactly, and the positions of the supplementary steam outlet 202 and the cooking steam inlet 203 can be closer to the infrared radiation area R2, avoiding a significant increase in the size of the cover plate 14 due to the addition of the supplementary steam outlet 202, which is conducive to the miniaturization of the cover plate 14. The arc design has better space utilization and can present a simple and elegant inner structure of the cover 3 to the user, improving the user's visual experience and thus enhancing the user's experience.

[0165] At least a portion of the outer contour of the infrared radiation region R2, at least a portion of the contour of the light-transmitting aperture 21, and at least a portion of the outer contour of the inlet / outlet concentrated distribution area R31 correspond in shape to the outer contour of the cover plate 14. Exemplarily, the outer contour of the infrared radiation region R2 is constructed as a circle or an arc. In the illustrated example, both the outer contour of the avoidance recess R4 and the outer contour of the infrared radiation region R2 are arc-shaped, giving the infrared radiation region R2 an overall crescent-like shape. The light-transmitting aperture 21 also forms a crescent-like shape. Exemplarily, the outer contour of the inlet / outlet concentrated distribution area R31 is constructed as a circle. This improves space utilization and presents a simple and elegant inner structure of the cover 3 to the user, enhancing the user's visual experience and thus providing a better user experience.

[0166] The outer contours of the infrared radiation area R2, the light-transmitting hole 21, and the inlet / outlet concentrated distribution area R31 are all symmetrical with respect to the longitudinal center line CL of the cover plate 14. This simplifies the structural design and improves the overall appearance of the inner side of the cover 3. The centers of the infrared radiation area R2, the light-transmitting hole 21, and the inlet / outlet concentrated distribution area R31 are arranged on the longitudinal center line CL of the cover plate 14. This ensures that the infrared radiation reaches approximately the same area on both sides of the cooking cavity in the lateral direction, facilitating more even heating of food; and that high-temperature steam diffuses from the center to the left and right sides in the lateral direction, resulting in more even steam diffusion and more uniform wetting of a large area of ​​food. Furthermore, it improves the overall appearance of the inner side of the cover 3.

[0167] The detachable lid assembly 13 has a circular outline, which corresponds to the opening of the inner pot of the pot body 2. The circular outline has a diameter D, and the distance L1 from the center of the inlet / outlet concentrated distribution area R31 to the center of the circular outline is (D-6) / 4≤L1≤(D-8) / 3. This satisfies the product's steam inlet and outlet requirements, simplifies the molding process in manufacturing, increases the mutual positioning capability between the internal components of the detachable lid assembly 13, and ensures that the appearance of the detachable lid assembly 13 is simple and elegant and meets the requirements of symmetrical aesthetics when the lid is opened.

[0168] In the projection direction perpendicular to the plane P where the pot opening is located, the steam passage region R3 spans between the cooking region R1 and the periphery region R10 of the lid bottom. Specifically, the steam passage region R3 extends beyond the rear of the cooking region R1 in both the longitudinal and transverse directions. At least the rear end of the cooking steam exhaust passage P12 enters the portion of the steam passage region R3 that extends beyond the cooking region R1, and the cooking steam outlet 204 of the cooking steam exhaust passage P12 is located at the rear end of the steam passage assembly 200. The projection position of the cooking steam outlet 204 on the plane where the lid 14 is located is outside the cooking region R1, and the cooking steam exhaust passage P12 can extend from the upper side of the cooking region R1 toward the rear of the lid 3, so that the cooking steam exhaust passage P12 occupies a smaller portion of the cooking region R1 on the lid 14. The periphery region R10 of the lid bottom has at least one end corner, and the steam passage assembly 200 has a supplementary cooking steam inlet end, such that the steam inlet 201 at the supplementary cooking steam inlet end is located at the end corner. This supplementary cooking steam inlet end is located at the end corner. The steam passage area R3 is diagonally located between the cooking area R1 and the corner portion. At least the rear end of the supplementary steam supply passage P11 enters the corner portion of the steam passage area R3 that extends beyond the cooking area R1. The steam inlet 201 of the supplementary steam supply passage P11 is located at the rear end of the supplementary steam supply passage P11. This allows the position of the steam inlet 201 to correspond vertically with the steam generator 40 at the corner of the pot body 2, and steam enters the steam inlet 201 from bottom to top, resulting in a shorter and more direct steam path between the steam inlet 201 and the steam generator 40.

[0169] Optionally, the supplementary steam supply channel P11 extends along a straight line L inclined relative to the longitudinal centerline of the cover 3, more specifically, the longitudinal centerline CL of the cover 14. The straight-line supplementary steam supply channel P11 further shortens the steam flow distance, allowing steam to quickly reach the cooking chamber and avoiding energy loss. Structurally, it is easy to construct and occupies a small area in the steam channel region R3, which is beneficial for the miniaturization of the steam channel assembly 200. The straight line L containing the supplementary steam supply channel P11 has an angle α relative to the longitudinal centerline CL of the cover 14, where 45°≤α≤62°, and α is, for example, a suitable angle such as 45°, 46°, 48°, 50°, 52°, 54°, 56°, 58°, 60°, or 62°. The steam inlet 201 of the supplementary steam supply channel P11 is located at the corner of the cover 3. The center of the steam inlet 201 is separated from the longitudinal centerline CL of the cover plate 14 by a distance L2. The cover 3 has an outer dimension W in the transverse direction, where L2 = (W-7) / 3. This ensures that the steam inlet 201 is located in the corner area of ​​the cover 3, so as to correspond vertically with the steam generating device 40 at the corner of the pot body 2.

[0170] This design places the temperature sensing element 51 on the upper side of the cooking steam inlet 203 of the cooking steam exhaust channel P12. During cooking, the temperature sensing element 51 is protected from infrared heat, allowing it to accurately detect the steam temperature with higher precision. This enables rapid and precise temperature control, adjusting the heating temperature of the food and ensuring better taste. Furthermore, the design avoids the temperature sensing element 51 occupying the cooking area R1 on the cover plate 14, allowing for a larger infrared radiation area R2. The temperature sensing element 51 is also hidden inside the cover plate 14, resulting in a simpler and more elegant inner structure of the cover body 3.

[0171] Unless otherwise defined, the technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for descriptive purposes only and is not intended to limit the scope of this application. Features described in one embodiment may be applied, alone or in combination with other features, to another embodiment, unless that feature is not applicable in that other embodiment or is otherwise stated.

[0172] This application has been described through the above embodiments. However, it should be understood that the above embodiments are only for illustrative purposes. This application is not limited to the above embodiments. Many variations and modifications can be made based on the teachings of this application, and all such variations and modifications fall within the scope of protection claimed in this application.

Claims

1. A lid for a cooking utensil, the cooking utensil comprising the lid and a pot body, the lid being closable and openable within the pot body to form a cooking cavity between the lid and the pot body, characterized in that... The cover is provided with an opening mechanism, the end of the cover with the opening mechanism is the front end, and the opposite end of the front end is the rear end. The cover includes: An infrared heating device, wherein the infrared heating device is used to radiate infrared rays into the cooking cavity; and A steam channel assembly forms a supplementary cooking steam supply channel and a cooking steam exhaust channel. The supplementary cooking steam supply channel is used to supply steam for supplementing the cooking chamber, and the cooking steam exhaust channel is used to supply steam discharged from the cooking chamber. The steam channel assembly is located near the rear end of the cover and is arranged in parallel with the infrared heating device in the horizontal direction.

2. The cover according to claim 1, characterized in that, The cover includes an inner liner, which has an infrared mounting area and a steam channel mounting area. The infrared mounting area is arranged parallel to the steam channel mounting area in the horizontal direction. At least a portion of the infrared heating device is located in the infrared mounting area, and at least a portion of the steam channel assembly is located in the steam channel mounting area.

3. The cover according to claim 2, characterized in that, The lining is provided with a partition wall, and the infrared mounting area is separated from the steam channel mounting area via the partition wall.

4. The cover according to claim 3, characterized in that, The spacer wall protrudes more towards the infrared mounting area in the middle of its transverse direction relative to its two ends in the transverse direction, thereby forming a clearance recess on one side of the steam channel mounting area, and the steam channel assembly is partially located in the clearance recess.

5. The cover according to claim 2, characterized in that, The infrared installation area is provided with an inner lining through hole and a support portion arranged around the inner lining through hole. The support portion is recessed downward. The infrared heating device includes a plate-shaped member. The outer periphery of the plate-shaped member overlaps the support portion. The plate-shaped member is a radiating plate or an insulating plate.

6. The cover according to claim 5, characterized in that, A peripheral sealing ring is fitted around the outer periphery of the plate-shaped member to form a seal between the plate-shaped member and the inner liner.

7. The cover according to claim 2, characterized in that, The steam passage mounting area is provided with a mounting recess that is recessed upward from the lower surface of the liner, and at least a portion of the steam passage assembly is accommodated within the mounting recess.

8. The cover according to claim 1, characterized in that, The cover also includes a cover plate, which has an infrared light-transmitting area and a steam channel support area. The infrared light-transmitting area is arranged in parallel with the steam channel support area in the horizontal direction. The infrared light-transmitting area is located on the lower side of the infrared heating device and is positioned to allow infrared rays to pass through. The front end of the steam channel assembly is supported by the steam channel support area.

9. The cover according to claim 8, characterized in that, The infrared light-transmitting area occupies the portion of the cover plate except for the rear, and the steam channel support area occupies the rear portion of the cover plate; and / or The infrared light-transmitting area is provided with a light-transmitting hole or a light-transmitting part made of light-transmitting material, wherein the cover plate is provided with a through-hole sealing ring on the upper side of the periphery of the light-transmitting hole.

10. The cover according to claim 8, characterized in that, The cover plate has a protrusion that protrudes toward the infrared light-transmitting area, and a portion of the steam channel assembly is located on the protrusion.

11. The cover according to claim 8, characterized in that, The steam channel assembly includes a channel bottom shell, which has an inlet and outlet centralized distribution area. The supplementary steam outlet of the supplementary steam supply channel and the cooking steam inlet of the cooking steam exhaust channel are centrally located in the inlet and outlet centralized distribution area, which is located in the steam channel support area.

12. The cover according to any one of claims 1 to 11, characterized in that, The supplementary steam supply channel is located inside the cooking steam exhaust channel, or the supplementary steam supply channel and the cooking steam exhaust channel are located in different areas.

13. The cover according to any one of claims 1 to 11, characterized in that, The steam channel assembly includes a channel bottom shell and a channel top plate, the channel bottom shell and the channel top plate are connected to form the supplementary steam supply channel and the cooking steam exhaust channel between them.

14. The cover according to claim 13, characterized in that, The steam channel assembly also includes a trough-shaped supplementary cooking steam channel component, which is disposed on the bottom shell of the channel, and the supplementary cooking steam channel component and the top plate of the channel form the supplementary cooking steam supply channel.

15. The cover according to claim 13, characterized in that, The steam channel assembly contains a tubular component that can independently form the steam supply channel for the supplementary cooking.

16. The cover according to claim 14, characterized in that, The supplementary steam channel component is made of elastic sealing material and abuts against the top plate of the channel. The supplementary steam channel component is independently fixed to the bottom shell of the channel or pressed against the bottom shell of the channel by a pressure plate.

17. The cover according to claim 13, characterized in that, The steam passage assembly also includes a cooking steam passage seal, which is disposed between the outer periphery of the bottom shell and the top plate of the passage to form a sealed cooking steam discharge passage.

18. The cover according to claim 13, characterized in that, The bottom shell of the channel is provided with a cooking steam inlet, and the top plate of the channel is provided with a cooking steam outlet. The cooking steam outlet is adjacent to or located on the longitudinal centerline of the cover; and / or The cover also includes a supplementary steam docking cover located at the rear corner of the cover. The supplementary steam docking cover is provided with a supplementary steam inlet, and the bottom shell of the channel is provided with a supplementary steam outlet. The supplementary steam outlet is adjacent to or located on the longitudinal centerline of the cover.

19. The cover according to claim 13, characterized in that, The cover also includes a cover body and a detachable cover assembly, the detachable cover assembly being detachably mounted on the cover body, and the channel bottom shell being connected to the detachable cover assembly so as to be removed from or installed onto the cover together with the detachable cover assembly.

20. The cover according to any one of claims 1 to 11, characterized in that, The steam supply channel for the supplementary cooking extends along a straight line inclined relative to the longitudinal centerline of the cover.

21. The cover according to claim 20, characterized in that, The straight line has an angle α with respect to the longitudinal centerline of the cover, where 45°≤α≤62°.

22. The cover according to any one of claims 1 to 11, characterized in that, The cover also includes a temperature measuring device, which includes a temperature measuring element located above the cooking steam inlet of the cooking steam exhaust channel and extending into the cooking steam exhaust channel.

23. The cover according to any one of claims 1 to 11, characterized in that, The infrared heating device includes one of an infrared heating tube, an infrared heating film, and a radiant plate, wherein at least a portion of the lower surface of the radiant plate forms the top surface of the cooking cavity.

24. The cover according to any one of claims 1 to 11, characterized in that, The infrared heating device includes a radiating plate. The cover body includes a cover plate that is fixedly connected, the radiation plate is disposed on the upper side of the cover plate, and the cover plate is provided with a light-transmitting hole for infrared rays to pass through. Alternatively, the cover may include a manually detachable cover assembly, the detachable cover assembly including a cover plate, the radiation plate being disposed on the upper side of the cover plate, and the cover plate having a light-transmitting hole for infrared rays to pass through. Alternatively, the cover may include a manually detachable cover assembly, on which the radiating plate is fixedly mounted.

25. The cover according to any one of claims 1 to 11, characterized in that, The cover also includes a detachable cover assembly, which includes a cover plate and a cover plate seat. The cover plate seat is connected to the outer periphery of the cover plate, and the steam channel assembly spans across the same side of the cover plate and the cover plate seat.

26. The cover according to claim 25, characterized in that, The cover plate seat forms a protruding seat support portion at the rear of the cover plate, and the steam passage assembly spans the cover plate and the seat support portion.

27. A cooking utensil, characterized in that, The cooking appliance includes a lid, a pot body, and a steam generating device according to any one of claims 1 to 26, wherein the lid is closable and disposed on the pot body to form a cooking cavity between the lid and the pot body, and the steam generating device is disposed on the lid or the pot body for supplying steam to the supplementary steam supply channel.

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