Cooking utensil
By setting up a condensation module and multiple exhaust ports in the cooking utensils, the contact area between steam and cooling water is improved, and the problem of excessive steam emissions during the cooking process is solved, achieving more efficient steam condensation and environmental drying.
Patent Information
- Application Number
- CN202323569481.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-26
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2033-12-26
AI Technical Summary
Existing cooking utensils discharge a large amount of steam during cooking, resulting in high humidity in the kitchen environment and affecting the service life of cabinets and appliances.
Design a cooking utensil, including a condensation module and a steam channel, where the steam enters the water tank through the air conduit pipe, and uses multiple exhaust ports and air conduit pipes to increase the contact area between steam and cooling water, improve the condensation efficiency, and reduce steam emission.
It effectively reduces the steam emissions during cooking, reduces the impact on the kitchen environment, and extends the service life of cabinets and appliances.
Smart Images
Figure CN222217681U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cooking utensils, in particular to a cooking utensil. Background Art
[0002] Cooking appliances such as rice cookers and steamers emit a large amount of steam during the cooking process. The high-temperature and high-humidity steam will cause the temperature and humidity in the small kitchen environment to be high, making the kitchen humid and affecting the service life of kitchen cabinets and appliances. Utility Model Content
[0003] The main purpose of the utility model is to provide a cooking appliance, which aims to reduce steam emission during the cooking process.
[0004] To achieve the above-mentioned purpose, the present invention provides a cooking utensil, comprising:
[0005] pot body;
[0006] a cover body, the cover body being openably and closably mounted on the pot body, the cover body being provided with a first steam passage, the first steam passage having an inlet and an outlet, the inlet being in communication with the pot body; and
[0007] a condensation module, the condensation module comprising a water tank and an air guide structure, the air guide structure being in communication with the outlet;
[0008] The air guide structure includes at least two air guide pipes both connected to the outlet. The air guide pipes are arranged in the water tank, and the air outlet ends of the air guide pipes extend toward the bottom wall of the water tank. The air outlet ends are provided with exhaust ports.
[0009] In one embodiment of the present application, a plurality of exhaust ports are provided on the pipe wall of the gas outlet end.
[0010] In one embodiment of the present application, a distance L1 between at least one exhaust port on the pipe wall of the gas outlet end and the end face of the gas outlet end and a total length L of the air guide pipe satisfy: L1≤L / 2.
[0011] In one embodiment of the present application, the pipe wall of the gas outlet end is provided with at least two gas outlets arranged along the length direction of the gas guide pipe;
[0012] And / or, the pipe wall of the gas outlet end is provided with at least two gas outlets arranged along the circumference of the gas outlet end;
[0013] And / or, at least two of the exhaust ports located at different positions along the length direction of the air duct have different opening sizes.
[0014] In one embodiment of the present application, at least one exhaust port is formed on an end surface of the gas outlet end.
[0015] In one embodiment of the present application, at least one of the air guide pipes includes an air guide section and an outward expansion section, one end of the air guide section is connected to the outlet of the first steam channel, and the other end of the air guide section extends toward the bottom wall of the water tank;
[0016] The outward expansion section is connected to the end of the air guide section away from the first steam channel, the cross-sectional area of the outward expansion section gradually increases in the direction away from the air guide section, and the end of the outward expansion section away from the air guide section forms the exhaust port.
[0017] In one embodiment of the present application, the outward expansion section and the air guide section are detachably connected.
[0018] In one embodiment of the present application, a height h of the air outlet relative to the bottom wall of the water tank and a depth H of the water tank satisfy h≤0.5H.
[0019] In one embodiment of the present application, the area S of at least one of the exhaust ports satisfies the following conditions: 1 mm 2 ≤S≤100mm 2 ;
[0020] And / or, the inner diameter D of the airway tube satisfies 7 mm ≤ D ≤ 50 mm;
[0021] And / or, the outer diameter of the air guide tube gradually shrinks toward the air outlet end.
[0022] In one embodiment of the present application, at least two of the airway tubes have different lengths;
[0023] and / or, the total areas of the exhaust ports of at least two of the air ducts are different;
[0024] And / or, at least two of the air guide tubes have different cross-sectional dimensions.
[0025] In one embodiment of the present application, at least one first barrier rib is provided in the first steam channel, the first barrier rib being arranged between the inlet and the outlet, the first barrier rib being connected to one of the top wall and the bottom wall of the first steam channel, and being spaced apart from one of the top wall and the bottom wall of the first steam channel;
[0026] And / or, a flow guiding structure is provided in the cover body, and at least one second retaining rib is provided in the flow guiding structure, and the second retaining rib separates at least part of the inner cavity of the flow guiding structure to form the first steam channel extending in a zigzag manner.
[0027] In one embodiment of the present application, the water tank includes a tank body and a tank cover, a second steam channel is provided in the tank cover, the bottom wall of the tank cover is provided with at least two air outlets connected to the second steam channel, each of the air ducts is connected to one of the air outlets, and the top wall of the tank cover is provided with an air inlet connected to the second steam channel and the first steam channel.
[0028] In one embodiment of the present application, at least one third barrier rib is provided in the second steam passage, the third barrier rib being protruded from one of the top wall and the side wall of the second steam passage and spaced apart from the other of the top wall and the bottom wall, and the third barrier rib being provided between at least one of the air outlet and the air inlet;
[0029] and / or, at least one of the air ducts is integrally formed with the box cover;
[0030] And / or, at least one of the air ducts is detachably connected to the box cover.
[0031] The technical solution of this utility model is to install a condensing module in the cooking appliance and to provide a first steam channel in the lid of the cooking appliance. Steam generated in the cooking chamber is directed through the first steam channel into the condensing module for condensation. The condensing module includes a water tank and an air guide structure. The air guide structure is connected to the outlet of the first steam channel and is equipped with at least two air guide tubes inserted into the water tank. The air outlet end of each air guide tube extends toward the bottom wall of the water tank. When the cooking appliance is in use, cooling water can be injected into the water tank, and at least part of the air outlet end is submerged in the cooling water; in the process of steam entering the water tank along the first steam channel and the air guide structure, the steam is dispersed to each air guide pipe and discharged into the cooling water, which can reduce the pressure of the steam entering the water tank and avoid the formation of large bubbles in the cooling water; and the steam can be discharged into the cooling water at different positions in the water tank, thereby increasing the contact area between the steam and the cooling water, so that the steam discharged into the water tank can better exchange heat with the cooling water to be cooled and condensed, thereby improving the condensation efficiency of the steam, allowing more steam to be condensed, minimizing the amount of steam discharged by the cooking appliance during the cooking process, and reducing the impact on kitchen cabinets and electrical appliances. BRIEF DESCRIPTION OF THE DRAWINGS
[0032] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.
[0033] Figure 1 This is a structural diagram of an embodiment of the cooking appliance of the present application;
[0034] Figure 2 for Figure 1 A cross-sectional view of the cooking appliance at AA;
[0035] Figure 3 for Figure 1 A cross-sectional view of the cooking appliance at position BB;
[0036] Figure 4 This is a structural diagram of the flow guide structure and the condensation module in one embodiment of the cooking appliance of the present application;
[0037] Figure 5 for Figure 4 An exploded view of an embodiment of a central flow guide structure and a condensation module;
[0038] Figure 6 for Figure 4 An exploded view of another embodiment of the central flow guide structure and the condensation module;
[0039] Figure 7 Another embodiment of the cooking utensil of this application is Figure 1 Cross-sectional view at AA in the middle.
[0040] Description of Figure Numbers:
[0041]
[0042]
[0043] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION
[0044] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0045] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0046] In this utility model, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.
[0047] In addition, in this utility model, the descriptions of "first" and "second" are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features specified as "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.
[0048] The embodiment of the present application provides a cooking appliance 100 .
[0049] Combined with reference Figures 1 to 6 In some embodiments of the present application, the cooking utensil 100 includes a pot body 10, a cover body 30 and a condensation module 50. The cover body 30 can be opened and closed to cover the pot body 10. The cover body 30 is provided with a first steam channel 315. The first steam channel 315 has an inlet 317 and an outlet 319. The inlet 317 is connected to the pot body 10; the condensation module 50 includes a water tank 51 and an air guide structure 53. The air guide structure 53 is connected to the outlet 319.
[0050] The air guide structure 53 includes at least two air guide pipes 531 both connected to the outlet 319 . The air guide pipes 531 are disposed in the water tank 51 , and the air outlet ends of the air guide pipes 531 extend toward the bottom wall of the water tank 51 . The air outlet ends are provided with an exhaust port 5311 .
[0051] The cooking device 100 proposed in this application can be, but is not limited to, a steamer, an electric cooker, a steamer, or a steam oven, which generates steam during the cooking process. The cooking device 100 includes a pot body 10, a lid 30, and a condensing module 50. The pot body 10 forms an open cooking cavity 11. The condensing module 50 can be arranged side by side with the pot body 10 or on the lid 30. The condensing module 50 includes a water tank 51 and an air guide structure 53. At least a portion of the air guide structure 53 is arranged in the water tank 51. The air guide structure 53 has at least two air guide pipes 531, which extend into the water tank 51 and allow the air to flow freely. The outlet end of the air pipe 531 extends toward the bottom wall of the water tank 51, so that at least a portion of the outlet end of the air pipe 531 is submerged in the cooling water added to the water tank 51. The outlet end of the air pipe 531 has an exhaust port 5311. It should be noted that in this embodiment of the present application, the outlet end does not simply refer to the end surface of the air pipe 531, but rather refers to the end of the air pipe 531, including the end surface of the air pipe 531, and the entire structure within a certain distance from the end surface of the air pipe 531. Therefore, in this embodiment of the present application, the exhaust port 5311 can be provided in the pipe wall of the outlet end, or it can be provided in the end surface of the outlet end. The cover 30 can be opened and closed on the pot body 10, and the cooking cavity 11 can be opened and closed by opening and closing the cover 30; and a first steam channel 315 is provided on the cover 30, and the outlet 319 of the first steam channel 315 is connected to the air guide structure 53 of the condensation module 50; when the cover 30 is covered on the pot body 10, the inlet 317 of the first steam channel 315 is connected to the pot body 10, so that the steam generated in the cooking cavity 11 can enter the air guide structure 53 through the first steam channel 315, and then be discharged into the water tank 51 from each air guide pipe 531.
[0052] The cover 30 may be provided with at least two outlets 319 communicating with the first steam channel 315, such that the air inlet end of the air duct 531 is exposed on the top wall of the water tank 51, and each air duct 531 is connected to an outlet 319. Alternatively, in the following embodiment, a second steam channel 5135 communicating with the first steam channel 315 and the air duct 531 may be provided, and the second steam channel 5135 may be provided with at least two air outlets 5139, with each air duct 531 connected to an air outlet 5139. Furthermore, the air duct 531 may be integrally provided with the cover 513 of the water tank 51, or may be detachably connected to the cover 513. The cross-section of the air duct 531 may be circular, rectangular, square, polygonal, or other regular or irregular structures.
[0053] When cooking with the cooking appliance 100 of this embodiment, cooling water is injected into the water tank 51, submerging at least a portion of the outlet of the air guide 531. Steam generated within the pot body 10 enters the water tank 51 via the first steam passage 315 and the air guide structure 53. The steam comes into contact with the cooling water, transferring heat from the steam to the cooling water and causing the steam to cool and condense. After the steam enters the air guide structure 53, the steam will be dispersed into each air guide pipe 531, which can reduce the pressure of the steam discharged from the air guide pipe 531 and avoid the formation of large bubbles in the cooling water due to excessive pressure when the steam is discharged from the air guide pipe 531, thereby avoiding loud noise when the bubbles burst; in addition, the steam is discharged from at least two air guide pipes 531, so that the steam can be dispersed and discharged into the cooling water in different areas, increasing the path for the steam to be injected into the cooling water and increasing the contact area between the steam and the cooling water, so that the steam discharged into the water tank 51 can better contact with the cooling water for condensation, thereby improving the condensation efficiency of the steam, allowing as much steam as possible to be condensed, reducing the amount of steam discharged from the cooking appliance 100 during the cooking process, achieving the effect of no steam or low steam emission, and reducing the impact on the external environment.
[0054] Therefore, it can be understood that the technical solution of the present application provides a condensing module 50 in the cooking appliance 100 and a first steam passage 315 in the lid 30 of the cooking appliance 100. This allows steam generated in the cooking cavity 11 to be directed into the condensing module 50 via the first steam passage 315 for condensation. The condensing module 50 includes a water tank 51 and an air guide structure 53. The air guide structure 53 is connected to the outlet 319 of the first steam passage 315 and is provided with at least two air guide tubes 531 inserted into the water tank 51. The air outlet end of each air guide tube 531 extends toward the bottom wall of the water tank 51. When the cooking appliance 100 is in use, cooling water can be injected into the water tank 51, and at least part of the air outlet end is submerged in the cooling water; in the process of steam entering the water tank 51 along the first steam channel 315 and the air guide structure 53, the steam is dispersed to the various air guide pipes 531 and discharged into the cooling water, which can reduce the pressure of the steam entering the water tank 51 and avoid the formation of large bubbles in the cooling water, and allow the steam to be discharged into the cooling water at different positions of the water tank 51, thereby increasing the contact area between the steam and the cooling water, so that the steam discharged into the water tank 51 can better exchange heat with the cooling water to cool down and condense, thereby improving the condensation efficiency of the steam, allowing more steam to be condensed, and minimizing the amount of steam discharged from the cooking appliance 100 during the cooking process, thereby reducing the impact on kitchen cabinets and electrical appliances.
[0055] Please refer to Figure 5 and Figure 6 In some embodiments of the present application, a plurality of exhaust ports 5311 are provided on the pipe wall of the gas outlet end.
[0056] In this embodiment, at least part of the exhaust ports 5311 at the outlet end are opened on the tube wall of the outlet end, and the tube wall area of the air guide tube 531 is fully utilized to set the exhaust ports 5311 for steam to flow out. Multiple exhaust ports 5311 can be set along the circumference and length directions of the air guide tube 531 to increase the contact area between the steam and the cooling water, and the steam is discharged in a dispersed manner from the multiple exhaust ports 5311, thereby reducing the pressure of the steam when it is discharged from the air guide tube 531, reducing the steam flow rate, and increasing the contact area between the steam and the cooling water.
[0057] Please refer to Figure 5 and Figure 6 In some embodiments of the present application, the distance L1 between at least one of the exhaust ports on the wall of the gas outlet end tube and the end face of the gas outlet end and the total length L of the gas guide tube 531 satisfies the condition that L1≤L / 2.
[0058] In this embodiment, at least one exhaust port 5311 on the wall of the gas outlet end is located in the middle and lower section of the gas duct 531, i.e., near the bottom wall of the water tank 51. This allows the distance between at least some of the exhaust ports 5311 and the end face of the gas outlet end to be no more than half the total length of the gas duct 531. In a preferred embodiment, the distance between at least some of the exhaust ports 5311 and the end face of the gas outlet end to be no more than 1 / 3 of the total length of the gas duct 531. This ensures that even when the amount of cooling water is low, at least some of the exhaust ports 5311 can still be submerged in the cooling water, allowing steam to be discharged into the cooling water, thereby reducing the amount of steam discharged from the upper section of the gas duct 531 and ensuring steam condensation efficiency. In a preferred embodiment, the distance between all exhaust ports 5311 and the end face of the gas outlet end can be no more than half the total length of the gas duct 531, thereby preventing some steam from not coming into contact with the cooling water and affecting steam condensation efficiency.
[0059] It should be noted that the distance between the exhaust port 5311 and the end face of the gas outlet end can be the minimum distance between the edge of the exhaust port 5311 and the end face of the gas outlet end, or the maximum distance, or the distance between the central axis of the exhaust port 5311 and the end face of the gas outlet end, which is not limited here.
[0060] Please refer to Figure 5 and Figure 6 In some embodiments of the present application, the pipe wall of the gas outlet end is provided with at least two gas outlets 5311 arranged along the length direction of the gas guide pipe 531;
[0061] And / or, the tube wall of the gas outlet end is provided with at least two gas outlets 5311 arranged along the circumference of the gas outlet end.
[0062] In this embodiment, at least two exhaust ports 5311 are provided on the tube wall of the air outlet end of the air guide tube 531, wherein each exhaust port 5311 can be provided at different positions of the air outlet end along the length direction of the air guide tube 531, or can be provided at different positions of the air outlet end along the circumference of the air guide tube 531. Of course, as in the illustrated embodiment, each exhaust port 5311 can be arbitrarily arranged along the circumference and length directions of the air guide tube 531; such a setting allows steam to be discharged into the cooling water from different positions of the air guide tube 531, thereby increasing the contact area between the steam and the cooling water and improving the condensation effect.
[0063] In some embodiments of the present application, at least two of the exhaust ports 5311 located at different positions along the length of the air guide tube 531 have different opening sizes.
[0064] In this embodiment, among all the exhaust ports 5311 opened on the tube wall of each air duct 531, there are at least two exhaust ports 5311 at different positions along the length direction of the air duct 531, and the opening sizes of the two exhaust ports 5311 are different; it can be understood that when using the cooking appliance 100 of the embodiment of the present application, it is necessary to inject cooling water into the condensation chamber 515, and at least the air outlet end of the air duct 531 is inserted into the cooling water, and the water pressure at different water level depths is different, the closer to the bottom wall of the water tank 51, the higher the water pressure, and the closer to the water surface, the lower the water pressure; resulting in different pressures on the tube wall of the air duct 531 at different positions in the length direction. The steam in the air duct 531 needs to overcome water pressure to be discharged from the exhaust port 5311. In other words, the steam discharged from the exhaust port 5311 near the water surface has less water pressure to overcome and is easier to discharge. In this case, the opening size of the exhaust port 5311 near the bottom wall of the water tank 51 can be made larger than the opening size of the exhaust port 5311 near the water surface. This arrangement adjusts the amount of steam discharged from each exhaust port 5311 by controlling the opening size of the exhaust ports 5311 at different water depths, preventing a large amount of steam from being discharged from the exhaust port 5311 near the water surface. This ensures that the amount of steam discharged from the exhaust ports 5311 at different water depths to the cooling water is more uniform, and the cooling water at different water depths processes approximately the same amount of steam, thereby improving steam condensation efficiency. In this embodiment, the exhaust ports 5311 with different opening sizes can be located on the same air duct 531 or on different air ducts 531.
[0065] In addition, it can be understood that it is only necessary to make the opening size of some exhaust ports 5311 near the water surface smaller than the opening size of the exhaust ports 5311 near the bottom wall of the water tank 51 to play a role in regulating the amount of steam discharged at different water level depths to a certain extent; at this time, there may also be at least one exhaust port 5311 near the water surface whose opening size is greater than or equal to the opening size of the exhaust port 5311 near the bottom wall of the water tank 51.
[0066] In some embodiments, since different air pipes 531 have different thicknesses, lengths or locations, the sizes of the exhaust ports 5311 opened thereon are also different. The sizes of some exhaust ports 5311 on each air pipe 531 can be gradually increased toward the end face of the air outlet end, thereby adjusting the amount of steam discharged from the exhaust ports 5311 at different length positions of the air pipe 531; at this time, the opening sizes of the exhaust ports 5311 of different air pipes 531 can also be different. On two of the air pipes 531, the opening size of the exhaust port 5311 on one of the air pipes 531 adjacent to the water surface can also be greater than or equal to the opening size of the exhaust port 5311 on the other air pipe 531 adjacent to the bottom wall of the water tank 51.
[0067] Please refer to Figure 2 In some embodiments of the present application, at least one exhaust port 5311 is provided on the end surface of the gas outlet end.
[0068] In this embodiment, an exhaust port 5311 is provided at the outlet end of the air guide tube 531. This ensures that even when the cooling water volume is low, steam can still be discharged from the exhaust port 5311 into the cooling water, ensuring contact between the steam and the cooling water and thus ensuring condensation efficiency. The entire end face of the air guide tube 531 can be made continuous, or in the following embodiment, at least a portion of the outlet end can be configured as an outwardly flared section, thereby forming a roughly bell-mouth structure. Alternatively, at least one exhaust port 5311 can be provided in a portion of the end face; this is not limited here.
[0069] In some embodiments, exhaust ports 5311 may be provided on both the pipe wall and the end surface at the outlet end, thereby increasing the number and area of exhaust ports 5311 through which steam is discharged from the air guide pipe 531, thereby increasing the contact area between the steam and the cooling water and improving the steam condensation efficiency. The shape of the exhaust ports 5311 may be circular, rectangular, triangular, square, polygonal, elliptical, or other regular or irregular structures.
[0070] In one embodiment of the present application, at least one of the air guide pipes 531 includes an air guide section and an outward expansion section, one end of the air guide section is connected to the outlet 319 of the first steam channel 315, and the other end of the air guide section extends toward the bottom wall of the water tank 51; the outward expansion section is connected to the end of the air guide section away from the first steam channel 315, and the cross-sectional area of the outward expansion section gradually increases in the direction away from the air guide section, and the end of the outward expansion section away from the air guide section forms an exhaust port 5311.
[0071] In this embodiment, the steam flowing out from the first steam channel 315 can first be guided to the interior of the water tank 51 through the air guide section, and then diffused to the interior of the water tank 51 through the outward expansion section, so that the steam can quickly diffuse to the surrounding areas of the water tank 51, thereby increasing the contact area between the steam and the cooling water, so that the steam can be fully mixed with the cooling water in the water tank 51, thereby improving the steam condensation efficiency.
[0072] As an example, the outward expansion section may be roughly in the form of a trumpet-shaped opening structure.
[0073] In actual application, the air guide section and the outer expansion section can be integrally formed, or they can be separate structures that are detachably connected to the outer expansion section. In some embodiments, the outer expansion section can be detachably connected to the air guide section using a snap-fit connection. This allows for easy replacement of outer expansion sections of different sizes based on the required size of the water tank 51, while also facilitating maintenance of the outer expansion section. Of course, in other embodiments, the outer expansion section can also be detachably connected to the air guide section using a threaded connection or other method.
[0074] In some embodiments, the air duct 531 further includes an extension section, which is connected to the air outlet end of the outward expansion section. The cross-sectional area of the extension section is larger than the cross-sectional area of the outward expansion section, and the extension section is extended along the length direction of the water tank 51.
[0075] In one embodiment of the present application, the outward expansion section and the air guide section are detachably connected.
[0076] In this embodiment, the outward expansion section and the air guide section of the air guide tube 531 are detachably connected, which can be a snap connection, or an interference fit such as a sealing ring, or a threaded connection between the outward expansion section and the air guide section. With this arrangement, outward expansion sections of different sizes can be replaced according to the sizes of different water tanks 51, and the outward expansion section can be removed to facilitate cleaning and maintenance of the outward expansion section and the air guide section.
[0077] Please refer to Figure 2 In some embodiments of the present application, the height h of the air outlet relative to the bottom wall of the water tank 51 and the depth H of the water tank 51 satisfy h≤0.5H.
[0078] In this embodiment, the outlet end of the air duct 531 extends to the lower middle portion of the water tank 51. This allows the cooling water in the water tank 51 to submerge the outlet end of the air duct 531 when the water level reaches half the depth of the water tank 51. This ensures that steam can enter the cooling water after being discharged from the outlet end, allowing the steam and water to fully contact and condense. This eliminates the need to add excessive cooling water to the water tank 51 to submerge the outlet end of the air duct 531. In a preferred embodiment, the outlet end of the air duct 531 can be extended to 1 / 3 or less of the depth of the water tank 51.
[0079] In one embodiment of the present application, the area S of at least one of the exhaust ports 5311 satisfies the following conditions: 1 mm 2 ≤S≤100mm 2 .
[0080] In this embodiment, the area S of the exhaust port 5311 is defined to meet the requirements of 1 mm 2 ≤S≤100mm 2 ; Among them, S can be set to 1mm 2 , 2mm 2 , 4mm 2 , 6mm 2 , 8mm 2 , 10mm 2 , 12mm 2 , 14mm 2 , 16mm 2 , 25mm 2 , 30mm 2 , 40mm 2 , 50mm 2 , 60mm 2 , 70mm 2 , 80mm 2 , 90mm 2 , 100mm 2 and 1mm 2 Up to 100mm 2 If the area of the exhaust port 5311 is less than 1mm 2 If the exhaust port 5311 is too small, it will be difficult for the steam to be discharged from the exhaust port 5311, and the processing will be more difficult. If the exhaust port 5311 is too large, when the steam is discharged from the exhaust port 5311, large bubbles will be formed in the cooling water, resulting in a loud sound when the bubbles burst during the steam condensation process, generating noise.
[0081] The area S of the exhaust port 5311 is limited to 1 mm 2 ≤S≤100mm 2 In an optional embodiment, the area S of the exhaust port 5311 can be made to meet the requirements of 2mm 2 ≤S≤25mm 2 ; Further, it can be limited to 4mm 2 ≤S≤16mm 2 , thereby ensuring that steam can be discharged from the exhaust port 5311 into the cooling water at a suitable rate and pressure, improving the steam condensation effect, and not generating large bubbles that cause large noise.
[0082] It should be noted that in the embodiment of the present application, when the number of each exhaust port 5311 meets the above-mentioned size limitation, the steam condensation effect and the effect of avoiding the generation of loud noise are better; but it can be understood that only some of the exhaust ports 5311 need to meet the above-mentioned size limitation, which can also play a role in improving the steam condensation effect and avoiding the generation of loud noise; for example, there may be processing errors or other factors, so the area of some of the exhaust ports 5311 can also exceed the above-mentioned size range.
[0083] Please refer to Figure 2 In some embodiments of the present application, the inner diameter D of the air guide tube 531 satisfies 7mm≤D≤50mm.
[0084] In this embodiment, the inner diameter D of the air duct 531 is defined as satisfying 7 mm ≤ D ≤ 50 mm, where D can be 7 mm, 9 mm, 10 mm, 12 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, 20 mm, 25 mm, 30 mm, 40 mm, 50 mm, or any value between 7 mm and 50 mm. If the inner diameter D of the air duct 531 does not exceed 7 mm, the passage for steam flow within the air duct 531 is relatively narrow, limiting the area and number of exhaust ports 5311 at the outlet end of the air duct 531 and making it difficult to clean the interior of the air duct 531. If the inner diameter of the air duct 531 exceeds 50 mm, the volume of the air duct 531 increases, thereby increasing the volume of the water tank 51, the condensing module 50, and the cooking appliance 100.
[0085] In this embodiment of the present application, the inner diameter D of the air duct 531 is limited to 7 mm ≤ D ≤ 50 mm. Alternatively, the inner diameter of the air duct 531 can be set to 10 mm ≤ D ≤ 30 mm, or further to 15 mm ≤ D ≤ 20 mm. This configuration ensures that steam can be discharged from the exhaust port 5311 into the cooling water at an appropriate rate and pressure, improving steam condensation while preventing the condensing module 50 and cooking appliance 100 from becoming too large. It also prevents the inner diameter of the air duct 531 from being too small, making it difficult to clean.
[0086] It should be noted that, in the embodiment of the present application, the air guide tube 531 is not limited to a circular tube, and its cross-sectional profile may also be a rectangle, square, triangle, polygon, ellipse, or other regular or irregular cross-sections. In this case, the inner diameter of the air guide tube 531 may be the diameter of the circumscribed circle or inscribed circle of the actual cross-section; of course, the cross-section of the air guide tube 531 may also be set to a shape with an area range equal to that of a circle with the above-mentioned inner diameter size.
[0087] In one embodiment of the present application, the outer diameter of the air guide tube 531 gradually tapers toward the air outlet. The air guide tube 531 can be formed by injection molding or other methods, and is configured to have a structure that is wide at the top and narrow at the bottom, so that the air guide tube 531 has a certain draft angle for easy demolding.
[0088] Please refer to Figure 7 In some embodiments of the present application, at least two of the air guide tubes 531 have different lengths.
[0089] In this embodiment, at least two air guide tubes 531 in the air guide structure 53 have different lengths. With this arrangement, when the cooking utensil 100 in this embodiment is used, the air outlet ends of the two air guide tubes 531 are located at different water depths, so that steam can be discharged into cooling water at different water depths through different air guide tubes 531, so that the steam is evenly distributed in the cooling water at different depths, thereby increasing the contact area between the steam and the cooling water and improving the steam condensation effect.
[0090] In some embodiments of the present application, the exhaust ports 5311 of at least two of the air ducts 531 have different total areas.
[0091] In the embodiment of the present application, at least two air ducts 531 are inserted into the condensing chamber 515. The positions of the different air ducts 531 may be different, and the thicknesses and lengths of the different air ducts 531 may also be different. In this embodiment, the total area of the exhaust ports 5311 on the different air ducts 531 may be different, thereby adjusting the amount of steam discharged from the different air ducts 531. For example, for air ducts 531 of different lengths, the water depths at which their outlets are located vary. The water pressure at these depths varies, with the water pressure being higher closer to the bottom wall of the water tank 51 and lower closer to the water surface. This results in different pressures at the outlets at different depths. The steam in the air duct 531 needs to overcome the water pressure to be discharged from the exhaust port 5311, that is, the water pressure overcome by the steam discharged from the exhaust port 5311 near the water surface is smaller, and it is easier to discharge; at this time, the total area of the exhaust ports 5311 opened on the shorter air duct 531 can be made smaller than the total area of the exhaust ports 5311 opened on the longer air duct 531, thereby avoiding a large amount of steam from being discharged from the exhaust ports 5311 near the water surface, so that the amount of steam discharged from the exhaust ports 5311 located at different water level depths to the cooling water can be more uniform, and the amount of steam processed by the cooling water at different water level depths is roughly the same, thereby improving the steam condensation efficiency.
[0092] In addition, if one of the air ducts 531 is arranged adjacent to the side wall of the condensing chamber 515, and the other air duct 531 is inserted in the middle of the condensing chamber 515, at this time, the contact area between the two air ducts 531 and the surrounding cooling water is different, so that the total area of the exhaust port 5311 opened on the air duct 531 located in the middle of the condensing chamber 515 can be larger than the total area of the exhaust port 5311 opened on the air duct 531 adjacent to the side wall of the condensing chamber 515, so that more steam is discharged into the cooling water in the middle of the condensing chamber 515, and the steam is evenly distributed in the cooling water, thereby improving the condensation efficiency.
[0093] In some embodiments of the present application, at least two of the air guide tubes 531 have different cross-sectional sizes.
[0094] In this embodiment of the present application, at least two air ducts 531 are provided on the air guide structure of the condensing module 50, so that steam entering the condensing module 50 is distributed to each air duct 531 and then directed into the condensing chamber 515. In this embodiment, the cross-sectional dimensions of the at least two air ducts 531 inserted into the condensing chamber 515 can be different, that is, one air duct 531 can be made thicker than the other, thereby distributing the steam volume between the different air ducts 531. For example, in some embodiments, the distances between the different air ducts 531 and the air inlet 5137 of the condensing module 50 are different. In this case, the air duct 531 near the air inlet 5137 can be made thinner than the air duct 531 farther from the air inlet 5137. This prevents a large amount of steam from flowing into the air duct 531 near the air inlet 5137 and being discharged into the cooling water surrounding the air duct 531, resulting in a smaller amount of steam being discharged from the air duct 531 farther from the air inlet 5137.
[0095] In some embodiments, the lengths of the different air ducts 531 can be different, resulting in the outlet ends of the different air ducts 531 being located at different water depths. The water pressure at different water depths is different, with the water pressure being higher closer to the bottom wall of the water tank 51 and lower closer to the water surface. This results in different pressures at the outlet ends at different depths. To prevent excessive steam from being discharged from the shorter air duct 531, the opening size of at least some of the exhaust ports 5311 on the shorter air duct 531 can be made smaller than the opening size of the exhaust ports 5311 on the longer air duct 531. In this case, the longer air duct 531 can be designed to be thicker, thus having a wider tube wall for opening a larger exhaust port 5311. This ensures that the amount of steam discharged from the exhaust ports 5311 at different water depths to the cooling water is more uniform, and the amount of steam processed by the cooling water at different water depths is roughly the same, thereby improving steam condensation efficiency.
[0096] Please refer to Figure 5 and Figure 6In some embodiments of the present application, at least one first barrier rib 313 is provided in the first steam channel 315. The first barrier rib 313 is provided between the inlet 317 and the outlet 319. The first barrier rib 313 is connected to one of the top wall and the bottom wall of the first steam channel 315 and is spaced apart from one of the top wall and the bottom wall of the first steam channel 315.
[0097] And / or, a guide structure 31 is provided in the cover body 30, and at least one second retaining rib 314 is provided in the guide structure 31, and the second retaining rib 314 separates at least part of the inner cavity of the guide structure 31 to form the first steam channel 315 that extends in a tortuous manner.
[0098] In this embodiment, a first rib 313 is provided in the first steam channel 315. The first rib 313 can further extend the steam path, so that the temperature of the steam is lower before entering the cooling water, thereby increasing the steam condensation amount.
[0099] In some embodiments, the cover 30 is provided with a flow-guiding structure 31 for forming a first steam passage 315. The flow-guiding structure 31 includes a bottom shell 311 and an upper cover 312 that cover each other, forming the first steam passage 315 between the bottom shell 311 and the upper cover 312. The bottom shell 311 can be positioned opposite the pot body 10 and the condensing module 50, with an inlet 317 and an outlet 319 formed on the bottom shell 311 to communicate with the first steam passage 315. It is understood that the inner shape of the flow-guiding structure 31 can be determined based on actual conditions, such as a shape extending horizontally or vertically, an angled shape, or other special-shaped structures.
[0100] In addition, retaining ribs are provided in the inner cavity of the flow-guiding structure 31, such as the first retaining rib 313 and the second retaining rib 314 in the following embodiment. The retaining ribs may be provided only on the bottom shell 311 of the flow-guiding structure 31, or may be provided only on the upper cover 312 of the flow-guiding structure 31, or both the bottom shell 311 and the upper cover 312 may be provided with retaining ribs. The shape and structure of the retaining ribs may be determined according to actual conditions, such as being provided as a partition structure or a rib structure, etc. The arrangement of the plurality of retaining ribs may also be determined according to actual conditions, as long as the steam flow path can be extended. Optionally, the retaining ribs may be integrally formed with the bottom shell 311 or separately formed; or the retaining ribs may be integrally formed with the upper cover 312 or separately formed.
[0101] In some embodiments, a first barrier rib 313 may be provided between the inlet 317 and the outlet 319. For example, the first barrier rib 313 may be provided on the upper cover 312, and the first barrier rib 313 may be spaced apart from the bottom shell 311 to form an air gap. In this manner, when steam enters the first steam channel 315 from the inlet 317 and flows toward the outlet 319, the steam will be hindered by the first barrier rib 313 and cannot flow directly toward the outlet 319 along the surface of the upper cover 312. Instead, the steam needs to flow along the first barrier rib 313 toward the side of the bottom shell 311, and then pass through the first barrier rib 313 from the air gap to flow toward the outlet 319, thereby extending the flow path and flow time of the steam in the flow-guiding structure 31. Alternatively, the first barrier rib 313 may be disposed between the inlet 317 and the outlet 319. For example, the first barrier rib 313 may be disposed on the bottom shell 311, and the first barrier rib 313 and the upper cover 312 may be spaced apart to form an air gap. In this manner, when steam enters the first steam channel 315 from the inlet 317 and flows toward the outlet 319, the steam will be obstructed by the first barrier rib 313 and cannot flow directly toward the outlet 319 along the surface of the bottom shell 311. Instead, the steam needs to flow along the first barrier rib 313 toward the side of the upper cover 312 and then pass through the first barrier rib 313 from the air gap. At least two first barrier ribs 313 may be disposed between the inlet 317 and the outlet 319 to further extend the flow path of the steam.
[0102] In some embodiments, a second rib 314 may be provided in the flow-guiding structure 31. The second rib 314 may be constructed in the flow-guiding structure 31 to form a zigzag channel such as an "S"-shaped or "U"-shaped channel as at least part of the first steam channel 315, thereby extending the steam path. For example, two second ribs 314 may be provided at intervals, and the two second ribs 314 extend in a zigzag manner, thereby forming a zigzag steam path between the two second ribs 314. Alternatively, as in the illustrated embodiment, a U-shaped second rib 314 and two bent second ribs 314 spaced apart and inserted into the U-shaped second rib 314 may be provided, and the three second ribs 314 and the inner wall of the flow-guiding structure 31 may enclose a zigzag steam path. Of course, the second ribs 314 may also be provided in other structural forms, which are not limited here.
[0103] In this embodiment, at least two areas can be set in the guide structure 31 along the arrangement direction of the inlet 317 and the outlet 319, one of which is separated by the aforementioned first rib 313, and the other area is provided with a second rib 314 to form a tortuous steam path.
[0104] Please refer to Figure 5 and Figure 6In some embodiments of the present application, the water tank 51 includes a box body 511 and a box cover 513, a second steam channel 5135 is provided in the box cover 513, the bottom wall of the box cover 513 is provided with at least two air outlets 5139 connected to the second steam channel 5135, each of the air guide pipes 531 is connected to one of the air outlets 5139, and the top wall of the box cover 513 is provided with an air inlet 5137 connected to the second steam channel 5135 and the first steam channel 315.
[0105] In this embodiment, the water tank 51 includes a housing 511 and a cover 513. The cover 513 is disposed on the housing 511 and encloses the housing 511 to form a condensation chamber 515. The cover 513 has a top wall and a bottom wall disposed opposite each other. The bottom wall is disposed opposite the housing 511, and the top wall is located on the side of the bottom wall facing away from the housing 511. A second steam channel 5135 is formed between the top and bottom walls of the cover 513. At least two air outlets 5139 communicating with the second steam channel 5135 are defined on the bottom wall, such that each air duct 531 is connected to an air outlet 5139. An air inlet 5137 communicating with the second steam channel 5135 is defined on the top wall. The air inlet 5137 can communicate with the outlet 319 of the first steam channel 315. Such an arrangement means that after the steam flows out from the first steam channel 315 of the cover body 30, it needs to flow to each air outlet 5139 through the second steam channel 5135 of the condensation module 50 to enter each air duct 531. Such an arrangement also extends the flow path of the steam in the cooking appliance 100, and extends the contact area and contact time of the steam with the water tank 51 before condensation, so that the steam can transfer more heat to the box cover 513, so that the steam can be cooled in advance and then enter the cooling water for condensation, thereby improving the steam condensation efficiency.
[0106] In some embodiments, the box cover 513 includes a base 5131 and a cover 5132 that cover each other. The base 5131 and the cover 5132 can be opened and closed, and the second steam channel 5135 can be exposed by opening the cover 5132, thereby facilitating cleaning of the second steam channel 5135.
[0107] Please refer to Figure 2 、 Figure 5 as well as Figure 6 In some embodiments of the present application, at least one third barrier rib 5133 is provided in the second steam channel 5135, and the third barrier rib 5133 is protruded from one of the top wall and the side wall of the second steam channel 5135, and is spaced apart from the other of the top wall and the side wall of the second steam channel 5135, and the third barrier rib 5133 is provided between at least one of the air outlet 5139 and the air inlet 5137.
[0108] In this embodiment, at least one third rib 5133 is provided in the second steam channel 5135, wherein a third rib 5133 is provided between at least one air outlet 5139 and the air inlet 5137, and the third rib 5133 can be protruded from the bottom wall of the second steam channel 5135, and the third rib 5133 and the top wall of the second steam channel 5135 are spaced apart to form a conductive gap; with such a configuration, when steam enters the second steam channel 5135 from the air inlet 5137 and flows toward the air outlet 5139, the steam will be obstructed by the third rib 5133, resulting in the steam being unable to flow directly along the bottom wall of the second steam channel 5135 toward the air outlet 5139. When the steam encounters the third rib 5133, it needs to flow upward along the third rib 5133 and pass through the third rib 5133 through the conductive gap above the third rib 5133. The third barrier rib 5133 can also be protruded from the top wall of the second steam channel 5135 and spaced apart from the bottom wall of the second steam channel 5135 to form a conductive gap. With this arrangement, some steam flowing along the top wall of the second steam channel 5135 is blocked by the third barrier rib 5133 and will flow along the third barrier rib 5133 toward the bottom wall, passing through the conductive gap below the third barrier rib 5133. In other words, the provision of the third barrier rib 5133 prolongs the flow path and duration of steam in the second steam channel 5135 and increases the contact area between the steam and the cover 513. This allows the steam to transfer more heat to the cover 513, improving the cooling effect of the steam in the second steam channel 5135, thereby lowering the temperature of the steam entering the cooling water and improving the steam condensation effect.
[0109] It should be noted that, in this embodiment, only one third rib 5133 may be provided between each air outlet 5139 and the air inlet 5137, or at least two third ribs 5133 may be provided in sequence along the arrangement direction of the air outlet 5139 and the air inlet 5137, and each third rib 5133 may be staggered and protruded on the top wall and the bottom wall to further extend the steam flow path and time. In addition, in the embodiment of the present application, at least two air outlets 5139 are provided on the bottom wall of the box cover 513 to connect at least two air ducts 531. The third rib 5133 may be provided only between one or part of the air outlets 5139 and the air inlet 5137, or the third rib 5133 may be provided between each air outlet 5139 and the air inlet 5137. In an optional embodiment, the box cover 513 has a length direction, and each air outlet 5139 is arranged in sequence along the length direction of the box cover 513, and the air inlet 5137 is roughly arranged in the middle of the top wall of the box cover 513 in the length direction, with the air inlet 5137 as the center of symmetry, so that the number of third ribs 5133 on both sides of the air inlet 5137 in the second steam channel 5135 is roughly symmetrically arranged, which can ensure that the amount of steam distributed to each air outlet 5139 on both sides of the air inlet 5137 is more uniform, which is beneficial to improving the steam condensation efficiency.
[0110] Please refer to Figure 5 and Figure 6 In some embodiments of the present application, at least one air duct 531 is integrally formed with the housing cover 513. This configuration improves the processing convenience of the condensing module 50, reduces the assembly process, and improves assembly convenience and efficiency. Alternatively, all air ducts 531 may be integrally formed with the housing cover 513, or only one or some of the air ducts 531 may be integrally formed with the housing cover 513.
[0111] In some embodiments of the present application, at least one of the air ducts 531 is detachably connected to the box cover 513. This arrangement facilitates the removal of the air duct 531 and the box cover 513 for maintenance and cleaning, and avoids the need to replace all of the box covers 513 and air ducts 531 if the box covers 513 or one of the air ducts 531 is damaged. The air duct 531 and the box cover 513 can be connected by a snap-fit connection, an interference fit using a sealing ring, or a threaded connection between the outer expansion section and the air duct section.
[0112] In this embodiment, a portion of the air duct 531 and the box cover 513 may be integrally formed, and another portion of the air duct 531 and the box cover 513 may be detachably connected, which is not limited here.
[0113] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims
1. A cooking utensil, characterized in that: include: pot body; a cover body, the cover body being openably and closably arranged on the pot body, the cover body being provided with a first steam passage, the first steam passage having an inlet and an outlet, the inlet being communicated with the pot body; and A condensation module, the condensation module comprising a water tank and an air guide structure, the air guide structure being in communication with the outlet; The air guide structure comprises at least two air guide pipes both connected to the outlet, the air guide pipes are arranged in the water tank, and the air outlet ends of the air guide pipes extend toward the bottom wall of the water tank, and the air outlet ends are provided with exhaust ports.
2. The cooking device according to claim 1, characterized in that: The pipe wall of the gas outlet end is provided with a plurality of gas outlets.
3. The cooking device according to claim 2, characterized in that: The distance L1 between at least one of the exhaust ports on the pipe wall of the gas outlet end and the end surface of the gas outlet end and the total length L of the air guide pipe satisfies the condition L1≤L / 2.
4. The cooking device according to claim 2, characterized in that: The tube wall of the gas outlet end is provided with at least two gas outlets arranged along the length direction of the gas guide tube; And / or, the tube wall of the gas outlet end is provided with at least two gas outlets arranged along the circumference of the gas outlet end; And / or, the outer diameter of the air guide tube gradually shrinks toward the air outlet end; And / or, at least two of the exhaust ports located at different positions along the length direction of the air duct have different opening sizes.
5. The cooking device according to claim 1, characterized in that: The end surface of the gas outlet end is provided with at least one gas outlet.
6. The cooking device according to claim 5, characterized in that: At least one of the air guide pipes comprises an air guide section and an outward expansion section, one end of the air guide section is communicated with the outlet of the first steam channel, and the other end of the air guide section extends toward the bottom wall of the water tank; The outward expansion section is connected to one end of the air guide section away from the first steam channel, the cross-sectional area of the outward expansion section gradually increases in a direction away from the air guide section, and one end of the outward expansion section away from the air guide section forms the exhaust port.
7. The cooking device according to claim 6, characterized in that: The outward expansion section is detachably connected to the air guide section.
8. The cooking device according to claim 1, characterized in that: The height h of the air outlet relative to the bottom wall of the water tank and the depth H of the water tank satisfy h≤0.5H.
9. The cooking device according to claim 1, characterized in that: At least one of the exhaust ports has an area S of 1 mm 2 ≤S≤100mm 2 ; And / or, the inner diameter D of the air guide tube satisfies 7mm≤D≤50mm.
10. The cooking device according to claim 1, characterized in that: wherein at least two of the airway tubes have different lengths; and / or, the total areas of the exhaust ports of at least two of the air ducts are different; And / or, at least two of the air guide tubes have different cross-sectional dimensions.
11. The cooking appliance according to any one of claims 1 to 10, characterized in that: At least one first barrier rib is provided in the first steam channel, the first barrier rib is spaced between the inlet and the outlet, the first barrier rib is connected to one of the top wall and the bottom wall of the first steam channel, and is spaced from one of the top wall and the bottom wall of the first steam channel; And / or, a flow guiding structure is provided in the cover body, and at least one second retaining rib is provided in the flow guiding structure, and the second retaining rib separates at least part of the inner cavity of the flow guiding structure to form the first steam channel which extends in a tortuous manner.
12. The cooking appliance according to any one of claims 1 to 10, characterized in that The water tank includes a tank body and a tank cover, a second steam channel is provided in the tank cover, at least two air outlets connected to the second steam channel are provided on the bottom wall of the tank cover, each of the air ducts is connected to one of the air outlets, and an air inlet connected to the second steam channel and the first steam channel is provided on the top wall of the tank cover.
13. The cooking device according to claim 12, characterized in that: At least one third barrier rib is provided in the second steam passage, the third barrier rib is protruding from one of the top wall and the side wall of the second steam passage, and is spaced apart from the other of the top wall and the side wall of the second steam passage, and the third barrier rib is spaced apart between at least one of the air outlets and the air inlet; And / or, at least one of the air ducts is integrally formed with the box cover; And / or, at least one of the air ducts is detachably connected to the box cover.