Steaming, baking and disinfection machine

Abstract

This application relates to the field of kitchen appliance technology and provides a steam oven / grill / sterilize integrated appliance. The integrated appliance includes a steam oven inner cavity, a sterilize inner cavity, a first sterilization structure disposed within the sterilize inner cavity, a refrigeration structure, and a fluid dynamic component. The steam oven and sterilize inner cavities are arranged at intervals along a first direction. The first sterilization structure is disposed within the sterilize inner cavity and includes a lamp tube and a lampshade surrounding the lamp tube, with a first sterilization chamber between the lampshade and the lamp tube. The refrigeration structure is disposed outside the steam oven and sterilize inner cavities and has a refrigeration chamber, which communicates with the first sterilization chamber and together defines a first flow path. The steam oven / grill / sterilize integrated appliance provided by this application can simultaneously satisfy the cooking and sterilization needs of the steam oven inner cavity and the sterilization needs of the sterilize inner cavity, as well as the cooling operation after cooking.

Description

Technical Field

[0001] This application relates to the field of kitchen appliance technology, and in particular to a steam oven and sterilizer combo. Background Technology

[0002] The steam oven and sterilizer combo not only enhances the versatility and convenience of cooking by integrating steaming, baking, and sterilization functions, but also increases the safety of tableware hygiene. In the steaming function, a water pump intermittently delivers water from the storage tank to the high-temperature heating plate, rapidly heating and vaporizing it to generate steam that permeates the steam-baking chamber. In the baking function, electric heating elements generate high-temperature hot air that circulates over the food. The sterilization function uses ultraviolet light for sterilization and high-temperature drying to ensure that tableware can be stored in a dry environment.

[0003] However, because a certain amount of steam needs to be introduced into the steam oven cavity during cooking, the residual steam condenses upon cooling after cooking, resulting in high humidity inside the cavity. Furthermore, food residue remains during cooking, which can easily breed bacteria if not cleaned promptly. Additionally, the presence of steam inside the steam oven cavity can cause discomfort to users when it is turned on. Summary of the Invention

[0004] Therefore, it is necessary to provide a steam oven with sterilization function, which can not only sterilize the inner cavity of the steam oven, but also cool down the inner cavity after cooking to reduce the impact of steam rising.

[0005] A steam-roasting-sterilizing integrated appliance includes a steam-roasting inner cavity, a sterilizing inner cavity, a first sterilization structure disposed within the sterilizing inner cavity, a refrigeration structure, and a fluid dynamic component. The steam-roasting inner cavity and the sterilizing inner cavity are arranged at intervals along a first direction. The first sterilization structure is disposed within the sterilizing inner cavity and includes a lamp tube and a lampshade surrounding the lamp tube. A first sterilization chamber is provided between the lampshade and the lamp tube. The refrigeration structure is disposed outside the steam-roasting inner cavity and the sterilizing inner cavity and has a refrigeration chamber. The refrigeration chamber communicates with the first sterilization chamber and together defines a first flow path. The steam-roasting-sterilizing integrated appliance has at least a first state and a second state. In the first state, the fluid dynamic component is turned on, the lamp tube is turned off, one end of the first flow path communicates with the steam-roasting inner cavity, and the other end communicates with the external environment, defining a first cooling circuit. In the second state, both the fluid dynamic component and the lamp tube are turned on. The first flow path communicates with the steam-roasting inner cavity and defines a first sterilization circuit. The sterilizing light emitted by the lamp tube can convert the gas flowing through the first sterilization chamber into sterilizing gas.

[0006] Understandably, the first flow path can be controlled to connect with the steam oven inner cavity, and the fluid dynamic component can be activated to guide ambient air into the first flow path. After being cooled by the cooling chamber, the air flows to the steam oven inner cavity to cool the steam inside, thus ensuring that the steam oven inner cavity does not cause discomfort due to steam rushing towards the face when it is opened. Simultaneously, when both the fluid dynamic component and the lamp are activated, the first flow path and the steam oven inner cavity are connected, defining a first disinfection circuit. The disinfection light emitted by the lamp can convert the gas flowing through the first disinfection chamber into disinfectant gas. This disinfectant gas can flow along the first flow path, be cooled in the cooling chamber, and then flow to the steam oven inner cavity for disinfection and preservation. In other words, the steam oven disinfection unit provided in this application can simultaneously satisfy the functions of cooking and disinfecting the inner cavity, as well as sterilizing and cooling the inner cavity after cooking.

[0007] In one embodiment, the first flow path has an air inlet and an air outlet. The steam oven inner liner is connected to a first conveying pipe and a second conveying pipe. The first conveying pipe is connected to the air outlet, and the second conveying pipe is connected to the air inlet. A first vent pipe is also provided at the air inlet, and the other end of the first vent pipe is used to connect to the external environment. The second conveying pipe is connected to a second vent pipe, which divides the second conveying pipe into a first segment and a second segment. The first segment is connected to the steam oven inner liner, and the second segment is connected to the air inlet. The other end of the second vent pipe is used to connect to the external environment. In the first state, the first vent pipe, the first flow path, the first conveying pipe, the steam oven inner liner, the first segment, and the second vent pipe together define the first cooling circuit. In the second state, the first flow path, the first conveying pipe, the steam oven inner liner, and the second conveying pipe together define the first disinfection circuit.

[0008] In one embodiment, the sterilization inner liner is provided with a third conveying pipe and an exhaust channel. The third conveying pipe is connected to the air outlet of the first flow path, and the exhaust channel is used to connect to the external environment. The steam-baking-sterilization integrated machine also has a third state. In the third state, the first vent pipe, the first flow path, the third conveying pipe, the sterilization inner liner and the exhaust channel are connected and jointly define a second cooling circuit.

[0009] In one embodiment, the fluid dynamic component is disposed on the outside of the sterilization inner liner and the steaming and baking inner liner, and the fluid dynamic component, the first sterilization chamber and the cooling chamber are connected in series and jointly define the first flow path.

[0010] In one embodiment, the sterilization liner is provided with a fourth delivery pipe, the fourth delivery pipe is connected to a third vent pipe, the third vent pipe divides the fourth delivery pipe into a third section and a fourth section, the third section is connected to the air inlet of the first flow path, the fourth section is connected to the sterilization liner, and the fourth section and the third vent pipe together define the exhaust channel.

[0011] In one embodiment, the steam-baking-sterilizing integrated machine also has a fourth state, in which the first flow path, the third conveying pipe, the sterilizing inner liner and the fourth conveying pipe are connected and jointly define a second sterilization circuit.

[0012] In one embodiment, the second disinfection circuit and the first disinfection circuit can be selectively connected or simultaneously connected; and / or, the first cooling circuit and the second cooling circuit can be selectively connected or simultaneously connected.

[0013] In one embodiment, the side wall of the steam oven inner liner is provided with a vent, and the fluid dynamic component is located at the vent and connected to the air outlet of the first flow path; the sterilization inner liner is provided with a fifth conveying pipe and an exhaust channel, the other end of the fifth conveying pipe is connected to the air inlet of the first flow path, and the exhaust channel is used to connect to the external environment; the steam oven and sterilization integrated machine also has a third state, in which the first vent pipe, the first flow path, and the steam oven inner liner are connected and jointly define a preheating flow path, the preheating flow path is connected to the sterilization inner liner through the fifth conveying pipe, and together with the exhaust channel, defines a second cooling circuit.

[0014] In one embodiment, the exhaust channel is an exhaust hole located in the sterilization liner, and the exhaust hole is provided with a backflow prevention structure.

[0015] In one embodiment, the steam-oven-sterilizer further includes a second sterilization structure, which is disposed on the outside of the steam-oven inner cavity and the sterilization inner cavity. The second sterilization structure has a second sterilization chamber, and the second sterilization chamber, the first sterilization chamber, and the refrigeration chamber are connected in series and jointly define the first flow path. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the conventional technology, the drawings used in the description of the embodiments or the conventional technology will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1This is a partial schematic diagram of a steam oven / baking / sterilization appliance provided in an embodiment of this application;

[0018] Figure 2 This is a second partial schematic diagram of a steam oven / baking / sterilization appliance provided in one embodiment of this application;

[0019] Figure 3 A simplified view of a steam oven / oven combo provided in one embodiment of this application;

[0020] Figure 4 This is a schematic diagram of the pipes in a steam oven / oven combo provided in one embodiment of this application;

[0021] Figure 5 This is a partial schematic diagram of a steam oven / bake / sterilizer combo provided in another embodiment of this application;

[0022] Figure 6 This is a second partial schematic diagram of a steam oven / bake / sterilizer integrated appliance provided in another embodiment of this application;

[0023] Figure 7 A third partial schematic diagram of a steam oven / bake / sterilizer combo provided in another embodiment of this application;

[0024] Figure 8 A simplified view of a steam oven / bake / sterilizer combo provided in another embodiment of this application;

[0025] Figure 9 A schematic diagram of the pipes in a steam oven combo provided in another embodiment of this application;

[0026] Figure 10 A partial schematic diagram of the fluid dynamics component in a steam oven / bake / sterilizer integrated machine provided in another embodiment of this application;

[0027] Figure 11 for Figure 10 A side view of the provided hydrodynamic component.

[0028] Reference numerals: 11. Steam oven inner liner; 12. Sterilization inner liner; 21. First sterilization structure; 22. Second sterilization structure; 30. Refrigeration structure; 40. Fluid dynamic component; 41. Rotating shaft; 42. Fan blade assembly; 50. Controller; 61. First control valve; 62. Second control valve; 63. Third control valve; 64. Fourth control valve; 65. Fifth control valve; 66. Sixth control valve; 71. First tee pipe; 72. Four-way pipe; 73. Second tee pipe; 74. Third tee pipe; 101. First flow path; 102. First conveying pipe; 103. Second conveying pipe; 104. First vent pipe; 1 05. Second vent pipe; 106. Third vent pipe; 107. Third conveying pipe; 108. Fourth conveying pipe; 109. Fifth conveying pipe; 121. Exhaust port; 122. Fan baffle; 421. Base; 422. Blade; 1031. First section; 1032. Second section; 1081. Third section; 1082. Fourth section; 4201. Connecting side; 4202. Turbulence side; 4202a. Gradual narrowing section; 4202b. Straight section; 4202c. Gradual widening section; 4221. First turbulence section; 4222. Second turbulence section; 4223. Arc-shaped notch; 4224. Reinforcing rib. Detailed Implementation

[0029] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0030] It should be noted that when a component is referred to as being "fixed to," "set on," or "properly placed on" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application's specification are for illustrative purposes only and do not represent the only possible implementation.

[0031] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0032] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0033] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used in this application includes any and all combinations of one or more of the associated listed items.

[0034] See also Figures 1 to 9 This application provides a steam oven / grill / sterilize integrated appliance, including a steam oven inner liner 11 and a sterilize inner liner 12, which are arranged at intervals along a first direction, such as at intervals along a left-right direction, a front-back direction, or a vertical direction. In this embodiment, the steam oven / grill inner liner 11 and the sterilize inner liner 12 are arranged at intervals along a left-right direction as an example. The steam oven / grill / sterilize integrated appliance includes a first sterilize structure 21, which is disposed in the sterilize inner liner 12. The first sterilize structure 21 includes a lamp tube and a lamp cover surrounding the lamp tube, with a first sterilize chamber between the lamp cover and the lamp tube. The steam oven / grill / sterilize integrated appliance also includes a refrigeration structure 30, which is disposed outside the steam oven / grill inner liner 11 and the sterilize inner liner 12, and has a refrigeration chamber that communicates with the first sterilize chamber and together defines a first flow path 101.

[0035] The steam oven and sterilizer combo has at least a first state and a second state. In the first state, the fluid power component 40 is turned on and the lamp is turned off. One end of the first flow path 101 is connected to the steam oven inner cavity 11, and the other end is connected to the external environment, defining a first cooling circuit. In the second state, both the fluid power component 40 and the lamp are turned on. The first flow path 101 is connected to the steam oven inner cavity 11, defining a first sterilization circuit. The sterilizing light emitted by the lamp can convert the gas flowing through the first sterilization chamber into sterilizing gas.

[0036] In actual use, this steam oven and sterilizer also features a sterilization mode for the sterilization inner pot 12 and a cooking mode for the steam oven 11. When only the sterilization inner pot 12 is sterilized, the lamp is turned on to emit sterilization light to sterilize the tableware inside. When only the steam oven 11 is cooked, the heating plate or steam generator located in the steam oven 11 is turned on for baking or steaming food. Of course, the sterilization operation of the sterilization inner pot 12 and the cooking operation of the steam oven 11 can be performed simultaneously. This is just an example.

[0037] Because the steam oven liner 11 requires the introduction of a certain amount of steam during cooking, especially when steaming food, it generates steam. Even after steaming, steam remains inside the liner 11, resulting in high humidity. Furthermore, food residue remains inside the liner 11 during cooking; if not cleaned promptly, this residue is more prone to spoilage in the high humidity environment, leading to bacterial growth. Additionally, the presence of steam inside the liner 11 means that when the door is opened, the steam flowing out directly affects the user, potentially causing discomfort.

[0038] To address this, the steam oven and sterilizer provided in this embodiment can control the first flow path 101 to connect with the steam oven inner liner 11, and activate the fluid dynamic component 40 to guide ambient air into the first flow path 101. After being cooled by the cooling chamber, the air flows to the steam oven inner liner 11 to cool the steam inside, thus ensuring that the steam oven inner liner 11 does not cause discomfort due to steam rushing towards the face when it is turned on. This is the first state of the steam oven and sterilizer, i.e., the cooling state for the steam oven inner liner 11. Simultaneously, when both the fluid dynamic component 40 and the lamp are activated, the first flow path 101 and the steam oven inner liner 11 are connected, defining a first sterilization circuit. The sterilizing light emitted by the lamp can convert the gas flowing through the first sterilization chamber into sterilizing gas. The sterilizing gas can flow along the first flow path 101, cool in the cooling chamber, and then flow to the steam oven inner liner 11 for sterilization and preservation.

[0039] In some specific embodiments, the lamp tube is equipped with an ultraviolet lamp for emitting ultraviolet light. The lamp tube is used to transmit ultraviolet light with a wavelength of 253.7nm and ultraviolet light with a wavelength of 185nm. The 253.7nm ultraviolet light passes through the light-transmitting cover to irradiate the sterilization inner pot 12, used for sterilizing the tableware inside. The 185nm ultraviolet light can excite oxygen in the air inside the first sterilization chamber into ozone; and the excited ozone needs to flow through the cooling chamber for cooling to maintain the ozone at a low temperature. Therefore, when the low-temperature ozone acts on the steam oven inner pot 11, it not only satisfies the sterilization and disinfection needs of the steam oven inner pot 11, but also plays a role in preservation. For example, during the time when food is placed in the steam oven inner pot 11 for pre-cooking, the food spends a long time in the steam oven inner pot 11, making it prone to spoilage and bacterial growth. At this time, the low-temperature ozone can achieve preservation and sterilization, allowing the food to be stored in the steam oven inner pot 11 for a long time.

[0040] Among them, the fluid power component 40 adopts a fan.

[0041] like Figures 1 to 9 As shown, in an optional embodiment, the cooling chamber and the first sterilization chamber are connected in series and jointly define a first flow path 101. The first flow path 101 has an air inlet and an air outlet, and the steam oven liner 11 is connected to the air outlet, while the air inlet is also connected to the steam oven liner 11. Thus, the first flow path 101 and the steam oven liner 11 jointly define a first sterilization circuit, allowing air in the steam oven liner 11 to be continuously delivered to the first sterilization chamber to stimulate ozone, thereby ensuring that the steam oven liner 11 is filled with ozone as evenly as possible, improving the sterilization effect.

[0042] Furthermore, the air inlet of the first flow path 101 can also be connected to the external environment. That is to say, the gas in the first flow path 101 can come from the gas output from the steam oven liner 11 or from the external environment, and the gas flow path can be selected according to different needs, which is flexible.

[0043] like Figures 1 to 4As shown, in an optional embodiment, the steam oven liner 11 is connected to a first conveying pipe 102, the other end of which is connected to the air outlet of the first flow path 101. Simultaneously, the steam oven liner 11 is also connected to a second conveying pipe 103, the other end of which is connected to the air inlet of the first flow path 101. Thus, the first conveying pipe 102 and the second conveying pipe 103 can be used to connect the steam oven liner 11 and the first flow path 101, forming a first disinfection circuit for the disinfection and preservation of the steam oven liner 11 itself. This corresponds to the second state of the steam oven disinfection unit. In this state, the fluid dynamic component 40 guides the gas in the steam oven liner 11 to flow out along the second conveying pipe 103 and towards the first flow path 101, where it is cooled and converted into ozone, and then flows along the first conveying pipe 102 back to the steam oven liner 11. Moreover, when the lamp is turned on to generate ozone, ultraviolet light can still irradiate the disinfection inner liner 12, maintaining the sterilization and disinfection of the disinfection inner liner 12.

[0044] Furthermore, a first vent pipe 104 is provided at the air inlet, with the other end of the first vent pipe 104 used to connect to the external environment. A second conveying pipe 103 is connected to a second vent pipe 105, with the other end of the second vent pipe 105 used to connect to an external heat exchanger. The second vent pipe 105 divides the second conveying pipe 103 into a first segment 1031 and a second segment 1032, which are connected. The first segment 1031 is connected to the steam oven inner liner 11, and the second segment 1032 is connected to the air inlet of the first flow path 101. In the first state, the first vent pipe 104, the first flow path 101, the first conveying pipe 102, the steam oven inner liner 11, the first segment 1031, and the second vent pipe 105 together define a first cooling circuit. In other words, air flowing into the external environment through the first vent pipe 104 is cooled by the fluid dynamic component 40 and flows along the first flow path 101. It then flows along the first conveying pipe 102 to the inner steam oven 11 to cool the high-temperature steam. The cooled gas flows to the first section 1031 and then exits to the external environment through the second vent pipe 105. This achieves cooling of the inner steam oven 11. At this time, the lamp is off, and no ozone is generated. In the second state, the first flow path 101, the first conveying pipe 102, the inner steam oven 11, and the second conveying pipe 103 are sequentially connected to define the first disinfection circuit. At this time, the lamp is on, allowing ozone to circulate within the inner steam oven 11, achieving disinfection and preservation.

[0045] Furthermore, the first vent pipe 104 is equipped with a first control valve 61, the second vent pipe 105 is equipped with a second control valve 62, and the second delivery pipe 103 is equipped with a third control valve 63 at the second section 1032. In the first state, the third control valve 63 is closed, causing the second section 1032 to be disconnected. Therefore, the gas flowing from the steam oven liner 11 to the first section 1031 cannot flow through the second section 1032 to the inlet of the first flow path 101. At this time, the first control valve 61 and the second control valve 62 are opened, connecting both the first vent pipe 104 and the second vent pipe 105, thus connecting with the external environment to form a first cooling circuit. In the second state, both the first control valve 61 and the second control valve 62 are closed, and the third control valve 63 is opened to form a first disinfection circuit. With the first control valve 61 and the second control valve 62 closed, neither the first vent pipe 104 nor the second vent pipe 105 can connect with the external environment, allowing for ozone circulation within the steam oven liner 11.

[0046] The placement of each control valve facilitates control. Solenoid valves can be used for control, making operation even more convenient.

[0047] See also Figures 1 to 4 As one example, the sterilization inner liner 12 is provided with a third conveying pipe 107 and an exhaust channel. The third conveying pipe 107 is connected to the air outlet of the first flow path 101, and the exhaust channel is used to connect to the external environment. The steam oven also has a third state in which the first vent pipe 104, the first flow path 101, the third conveying pipe 107, the sterilization inner liner 12, and the exhaust channel are connected and jointly define a second cooling circuit. That is to say, the steam oven can also be used to cool the sterilization inner liner 12.

[0048] Understandably, the sterilizing inner liner 12 is equipped with a heating element to dry any residual water on the tableware inside. This residual water evaporates under the high temperature of the heating element, generating steam that fills the inner liner 12. Furthermore, after drying, the heating element is kept in a baking state as much as possible, which can also be used for tableware sterilization. This results in the inner liner 12 being filled with high-temperature steam. If the user opens the inner liner 12 directly, this high-temperature steam can easily escape, causing discomfort or even burns. Additionally, some sterilizing inner liners 12 use high-temperature steam for direct drying, resulting in even more residual high-temperature steam within the inner liner 12.

[0049] To address this, this embodiment utilizes a second cooling circuit to introduce low-temperature gas into the sterilization liner 12, thereby cooling the steam within it. Under the action of the fluid dynamic component 40, the steam in the sterilization liner 12 can be drawn out along with the introduced gas, thus maintaining the sterilization liner 12 at a relatively low temperature. Specifically, the first control valve 61 on the first vent pipe 104 is opened, connecting the first vent pipe 104 to the external environment. Gas from the external environment flows along the first vent pipe 104 to the first flow path 101 under the action of the fluid dynamic component 40. After being cooled in the cooling chamber of the first flow path 101, it flows along the third conveying pipe 107 to the sterilization liner 12, and then flows out to the external environment through the exhaust channel.

[0050] It should be added that the cooling of the sterilized inner liner 12 should be carried out after the tableware in the sterilized inner liner 12 has been dried.

[0051] See also Figures 1 to 4 In an optional embodiment, the fluid dynamic component 40 is disposed on the outside of the sterilization inner liner 12 and the steam oven inner liner 11. The fluid dynamic component 40, the first sterilization chamber, and the cooling chamber are connected in series and jointly define the first flow path 101. The fluid dynamic component 40 may be disposed between the first sterilization chamber and the cooling chamber, or the cooling chamber may be disposed between the fluid dynamic component 40 and the first sterilization chamber. This is merely an example.

[0052] Furthermore, the sterilization inner liner 12 is also provided with a fourth delivery pipe 108. The other end of the fourth delivery pipe 108 is connected to the air inlet of the first flow path 101. The fourth delivery pipe 108 is connected to a third vent pipe 106, which divides the fourth delivery pipe 108 into a third section 1081 and a fourth section 1082, which are connected. The third section 1081 is connected to the air inlet of the first flow path 101, and the fourth section 1082 is connected to the sterilization inner liner 12. The fourth section 1082 and the third vent pipe 106 together define an exhaust channel. In actual use, the fourth delivery pipe 108 is provided with a fourth control valve 64 at the fourth section 1082, and the third vent pipe 106 is provided with a fifth control valve 65. In the third state, the first control valve 61 and the fifth control valve 65 are opened, and the fourth control valve 64 is closed. The gas flowing in along the first vent pipe 104 flows through the first flow path 101 and is cooled, then flows along the third delivery pipe 107 to the sterilization inner tank 12. The cooled gas flows along the fourth section 1082 to the third vent pipe 106 and is then discharged. During this process, because the fourth control valve 64 is closed, the gas flowing through the fourth section 1082 cannot flow to the third section 1081, thus satisfying the continuous cooling of the sterilization inner tank 12.

[0053] In actual use, the third state and the first state can be performed simultaneously or one of them can be selected. That is, the first cooling circuit and the second cooling circuit can be connected at the same time or one of them can be connected. When they are connected at the same time, the third control valve 63 and the fourth control valve 64 are closed, and the first control valve 61, the second control valve 62 and the fifth control valve 65 are opened. The gas flowing in through the first vent pipe 104 flows through the first flow path 101. Part of it flows along the first conveying pipe 102 to the steam oven liner 11, and then flows out through the first section 1031 of the second conveying pipe 103 and the second vent pipe 105 to achieve the cooling of the steam oven liner 11. The other part flows along the third conveying pipe 107 to the sterilization liner 12, and then flows out through the fourth section 1082 of the fourth conveying pipe 108 and the third vent pipe 106 to achieve the cooling of the sterilization liner 12.

[0054] Furthermore, the steam oven and sterilizer also has a fourth state. In this fourth state, the first flow path 101, the third conveying pipe 107, the sterilization inner liner 12, and the fourth conveying pipe 108 are connected and together define a second sterilization circuit. At this time, both the lamp and the fluid dynamic component 40 are turned on, causing the air entering the first sterilization chamber to be excited to produce ozone, which then flows along the third conveying pipe 107 to the sterilization inner liner 12 for sterilization. Additionally, the lamp continuously emits sterilization light into the sterilization inner liner 12, enhancing its sterilization effect.

[0055] The fourth and second states can be performed simultaneously or selectively. That is, the first and second disinfection circuits can be connected simultaneously or selectively. When simultaneously connected, the first control valve 61, the second control valve 62, and the fifth control valve 65 are closed, while the third control valve 63 and the fourth control valve 64 are open. Air inside the steam oven liner 11 flows along the second conveying pipe 103 to the first flow path 101 under the action of the fluid power component 40, generating ozone in the first flow path 101. Ozone then flows along the first conveying pipe 102 to the steam oven liner 11, achieving disinfection circulation in the steam oven liner 11. Simultaneously, air inside the disinfection liner 12 flows along the fourth conveying pipe 108 to the first flow path 101 under the action of the fluid power component 40, generating ozone in the first flow path 101. Ozone then flows along the third conveying pipe 107 to the disinfection liner 12, achieving disinfection circulation in the disinfection liner 12.

[0056] Alternatively, when the steam oven liner 11 and the sterilization liner 12 are being sterilized, the first control valve 61 on the first vent pipe 104 can also be opened to draw gas from the external environment to compensate for insufficient air.

[0057] See also Figures 1 to 4In some specific embodiments, a first tee pipe 71 is connected to the air outlet of the first flow path 101. One port of the first tee pipe 71 is connected to the first flow path 101, another port is connected to the first conveying pipe 102, and a third port is connected to the third conveying pipe 107. At the same time, a four-way pipe 72 is connected to the air inlet of the first flow path 101. The four-way pipe 72 has a first port, a second port, a third port, and a fourth port. The first port is connected to the air inlet of the first flow path 101, the second port is connected to the second conveying pipe 103, the third port is connected to the first vent pipe 104, and the fourth port is connected to the fourth conveying pipe 108. The second conveying pipe 103 is connected to a second tee pipe 73, the three ports of which are respectively connected to a second vent pipe 105, a first section 1031, and a second section 1032; and the fourth conveying pipe 108 is connected to a third tee pipe 74, the three ports of which are respectively connected to a third vent pipe 106, a third section 1081, and a fourth section 1082.

[0058] Furthermore, the first conveying pipe 102 and the second conveying pipe 103 are spaced apart by a large distance to reduce mutual interference. The third conveying pipe 107 and the fourth conveying pipe 108 are also spaced apart.

[0059] See also Figures 1 to 4 Optionally, the steam oven and sterilizer also includes a second sterilization structure 22. The second sterilization structure 22 is located outside the steam oven inner chamber 11 and the sterilization inner chamber 12. The second sterilization structure 22 has a second sterilization chamber. The second sterilization chamber, the first sterilization chamber, and the cooling chamber are connected in series and together define the first flow path 101. The second sterilization structure 22 can be located upstream of the first sterilization chamber in the first flow path 101. Gas entering from the first flow path 101 is first sterilized in the second sterilization chamber before flowing to the first sterilization chamber and the cooling chamber. In other words, the second sterilization structure 22 can be used to sterilize the gas flowing to the first sterilization chamber. It is understood that in the first and second sterilization circuits, the gases flowing out through the second conveying pipe 103 and the fourth conveying pipe 108 are the air in the steam oven inner chamber 11 and the sterilization inner chamber 12, respectively. This air may carry certain bacteria; therefore, the second sterilization structure 22 is used for pre-sterilization, restoring the gas to a clean state before it flows to the first sterilization chamber to generate ozone, thus improving the sterilization effect. Of course, in the first cooling circuit and the second cooling circuit, the air flowing into the external environment from the first vent pipe 104 can also carry bacteria, so the second disinfection structure 22 can also be used for pre-disinfection.

[0060] The second disinfection structure 22 employs an alternating magnetic sterilization chamber. This chamber utilizes an alternating magnetic field to sterilize microorganisms in gas. Specifically, the microorganisms to be sterilized in the moving gas cut through alternating magnetic field lines, achieving deep sterilization of the bacteria through magnetic force. The alternating magnetic sterilization chamber can use a multi-layered permanent magnet assembly, causing airborne bacteria to enter a changing magnetic field. Alternatively, it can use a multi-layered electromagnetic coil, with each layer forming a magnetic field, causing airborne bacteria to enter the changing magnetic field for sterilization. The second disinfection structure 22 can be located between the fluid power component 40 and the first disinfection structure 21, or between the fluid power component 40 and the refrigeration structure 30.

[0061] See also Figures 5 to 9 As another example, the side wall of the steam oven liner 11 is provided with a vent, and the fluid dynamic component 40 is located at the vent and connected to the air outlet of the first flow path 101. The sterilization liner 12 is provided with a fifth conveying pipe 109 and an exhaust channel. The other end of the fifth conveying pipe 109 is connected to the air inlet of the first flow path 101, and the exhaust channel is used to connect to the external environment. In this embodiment, when the steam oven and sterilization machine is in the third state, the first vent pipe 104, the first flow path 101, and the steam oven liner 11 are connected and jointly define a preheating flow path. The preheating flow path is connected to the sterilization liner 12 through the fifth conveying pipe 109 and jointly defines a second cooling circuit with the exhaust channel.

[0062] At this time, the fourth port of the four-way pipe 72 at the air inlet of the first flow path 101 is connected to the fifth conveying pipe 109. Simultaneously, a fan baffle 122 is provided at the vent, with multiple spaced ventilation holes to facilitate airflow. The fan baffle 122 serves to protect the fluid dynamic component 40, preventing interference from food, tableware, etc., that could affect its rotation. The inner wall of the steam oven liner 11 has a recessed cavity to accommodate the fluid dynamic component 40. The outlet of the first conveying pipe 102 can be positioned close to the air inlet of the fluid dynamic component 40.

[0063] In other words, the fluid power component 40 is connected to the air outlet of the first flow path 101 via the first conveying pipe 102. At this time, the air flowing in from the first vent pipe 104 flows through the first flow path 101 and, under the action of the fluid power component 40, flows along the first conveying pipe 102 to the fluid power component 40, passes through the steam oven inner liner 11, and then flows along the second conveying pipe 103 to the four-way pipe 72 at the air inlet of the first flow path 101. At this time, the first control valve 61 and the second control valve 62 are open, and the third control valve 63 is closed. The incoming gas can be pre-cooled using a pre-heating circuit, and then the cooled gas can flow along the fifth conveying pipe 109 to the sterilization inner liner 12 for cooling. Moreover, it is precisely because of the second sterilization structure 22 that the gas in the pre-heating flow path can be sterilized.

[0064] The fifth delivery pipe 109 is equipped with a sixth control valve 66. In actual use, the first control valve 61 and the second control valve 62 can be opened first, while the third control valve 63 and the sixth control valve 66 are closed. After the gas circulates along the preheating flow path for a certain period of time, the first control valve 61 is closed and the sixth control valve 66 is opened, which will guide the precooled gas to the sterilization inner tank 12.

[0065] Furthermore, the exhaust passage is an exhaust port 121 located in the sterilization inner tank 12. A check valve structure is provided at the exhaust port 121 to allow air in the sterilization inner tank 12 to be discharged outwards, while preventing external air from entering the sterilization inner tank 12, thereby ensuring the cooling efficiency of the sterilization inner tank 12. For example, the check valve structure can be configured as a check valve plate.

[0066] See also Figures 9 to 11 In this embodiment, the fluid power component 40 is a fan. Specifically, the fan includes a rotating shaft 41 and a blade assembly 42 connected to the rotating shaft 41. The blade assembly 42 includes a base 421 connected to the rotating shaft 41 and blades 422 connected to the base 421. Multiple blades 422 are arranged circumferentially along the rotating shaft 41. The rotating shaft 41 is used to connect a motor, and under the action of the motor, it drives multiple blades 422 to rotate synchronously via the base 421 to accelerate airflow. The base 421 is provided to improve the assembly reliability of each blade 422 relative to the rotating shaft 41. The base 421 and the multiple blades 422 are integrally formed, for example, by machining. A protrusion is stamped near the center of the base 421 to connect to the rotating shaft 41, so that the mounting position of the base 421 relative to the rotating shaft 41 is closer to the end of the rotating shaft 41, reducing assembly interference.

[0067] At least a portion of the blades 422 includes a first turbulence portion 4221 and a second turbulence portion 4222, which are connected and angled together. The cross-section of the first turbulence portion 4221 along the axial direction of the rotation axis 41 gradually expands from the inside out. It is understood that due to the angled arrangement of the first and second turbulence portions 4221 and 4222, when the blades 422 rotate with the rotation axis 41, both the first and second turbulence portions 4221 can act on the airflow, thereby generating shear forces in different directions, i.e., generating turbulence effects in different directions, thus improving aerodynamic efficiency and facilitating uniform gas distribution. Simultaneously, since the cross-section of the first turbulence portion 4221 along the axial direction of the rotation axis 41 gradually expands from the inside out, i.e., from the base 421 towards the outer peripheral edge of the blade 422, it gradually expands. This design, on the one hand, ensures that the size near the base 421 is small, reducing interference between the blades 422 and the base 421; on the other hand, the gradually expanding design further improves airflow velocity and uniform airflow distribution, thereby improving aerodynamic efficiency. When this fan is used in the steam oven liner 11, it can promote the uniform distribution of hot air in the steam oven liner 11, ensuring consistent cooking results in a shorter cooking time.

[0068] In practical use, each blade 422 may include a first turbulence portion 4221 and a second turbulence portion 4222.

[0069] See also Figures 9 to 11 For example, both the first turbulence section 4221 and the second turbulence section 4222 are flat plates. The thickness direction of the first turbulence section 4221 is along the axial direction of the rotation shaft 41, and the thickness direction of the second turbulence section 4222 is angled to the thickness direction of the first turbulence section 4221, for example, it can be perpendicular to it. This arrangement not only enhances the turbulence effect but also optimizes the overall structural stability of the fan. Specifically, because the first turbulence section 4221 is a flat plate arranged radially along the rotation shaft 41, it generates a circumferential shear force on the airflow, effectively guiding the airflow, reducing resistance, and improving the fan's operating efficiency. Simultaneously, the arrangement of the second turbulence section 4222, perpendicular to the first turbulence section 4221, generates radial and axial shear forces on the airflow, further enhancing the airflow disturbance, allowing the airflow to be more evenly distributed during fan blade rotation and reducing the generation of local vortices. Thus, when applied to the steam oven inner liner 11, it can significantly improve the hot air circulation effect of the steam oven inner liner 11, ensuring that the food is heated evenly.

[0070] Furthermore, the first turbulence-disrupting part 4221 includes a connecting side 4201 and a turbulence-disrupting side 4202, which are arranged circumferentially around the rotation axis 41. The second turbulence-disrupting part 4222 is connected to the connecting side 4201. The distance between the turbulence-disrupting side 4202 and the connecting side 4201 along the circumferential direction of the rotation axis 41 gradually increases from the inside to the outside. That is, the turbulence-disrupting side 4202 is inclined relative to the connecting side 4201, causing the cross-section of the first turbulence-disrupting part 4221 to gradually increase from the inside to the outside. This arrangement improves the connection reliability at the junction of the second turbulence-disrupting part 4222 and the first turbulence-disrupting part 4221, facilitates processing, and reduces stress concentration; on the other hand, it enhances the turbulence-disrupting effect.

[0071] The turbulence-disrupting side 4202 includes a tapered section 4202a, a straight section 4202b, and a widening section 4202c, which are connected sequentially from the base 421 toward the outer peripheral edge of the blade 422. The straight section 4202b is substantially parallel to the connecting side 4201. That is, the straight section 4202b connects the tapered section 4202a and the widening section 4202c, and the end of the tapered section 4202a facing away from the straight section 4202b is connected to the base 421. Both the tapered section 4202a and the widening section 4202c are inclined relative to the straight section 4202b, so that the cross-sectional width of the first turbulence-disrupting part 4221 first tapers, then remains constant, and then gradually widens. This design, while ensuring a high connection strength between the blade 422 and the base 421, not only reduces assembly interference between any two adjacent blades 422, but also ensures sufficient space between any two adjacent blades 422 for airflow and airflow turbulence. The connection between the blade 422 and the base 421 is rounded to reduce stress concentration.

[0072] See also Figures 9 to 11 Furthermore, the blade 422 is provided with a reinforcing rib 4224, which extends from the base 421 to the middle or near the middle of the straight section 4202b on the first spoiler portion 4221. The reinforcing rib 4224 can be formed by stamping the blade 422 and the base 421. The structural strength of the blade 422 assembly is improved by the addition of the reinforcing rib 4224. The length direction of the reinforcing rib 4224 is the same as the length direction of the straight section 4202b and the connecting side 4201, and the three can be arranged in parallel.

[0073] In some optional embodiments, the length direction of the connecting side 4201 is set at an angle to the radial direction of the rotation shaft 41. Since the connecting side 4201 is connected to the second turbulence portion 4222, this arrangement is equivalent to the second turbulence portion 4222 being set at an angle to the radial direction. In this way, the second turbulence portion 4222 can generate components in different directions, thereby improving the turbulence effect.

[0074] See also Figures 9 to 11As one example, the first turbulence-disrupting portion 4221 has second turbulence-disrupting portions 4222 protruding on both sides along the axial direction of the rotation shaft 41. This arrangement ensures that the airflow on both sides of the first turbulence-disrupting portion 4221 in the thickness direction can turbulentize the second turbulence-disrupting portion 4222, further improving aerodynamic efficiency. In actual use, the fan has an air inlet side and an air outlet side, which are arranged at intervals along the axial direction of the rotation shaft 41. The protruding length of the second turbulence-disrupting portion 4222 on the air outlet side is greater than the protruding length of the second turbulence-disrupting portion 4222 on the air inlet side. It can be understood that when the fan is applied to the steam oven liner 11, the side of the second turbulence-disrupting portion 4222 with a larger protruding length than the first turbulence-disrupting portion 4221 faces the center of the steam oven liner 11.

[0075] Furthermore, both the first turbulence section 4221 and the second turbulence section 4222 have arc-shaped notches 4223 near the apex corner of the outer peripheral edge of the blade 422. The arc-shaped notches 4223 reduce stress concentration at the apex corner, thereby mitigating the turbulent impact on the airflow and ensuring smooth airflow while maintaining a large turbulence. In addition, this design improves the structural strength of the blade 422, reduces interference with other structures, and particularly reduces stress concentration during collisions.

[0076] As another example, the cooling structure 30 includes a cooling pipe and a semiconductor component. The cooling pipe forms a cooling chamber, and the semiconductor component is configured to form a hot end and a cold end when energized. The cooling pipe is attached to or near the cold end. In this way, the cold end of the semiconductor component can cool the gas in the cooling chamber to facilitate its delivery to the steam oven liner 11.

[0077] In a further embodiment, the semiconductor component includes a thermocouple pair, a hot-end substrate, and a cold-end substrate. The thermocouple pair is made of semiconductor material and is disposed between the hot-end substrate and the cold-end substrate, with the hot-end substrate at the hot end and the cold-end substrate at the cold end. When the cooling structure 30 is energized, electron-hole pairs are generated at one end of the thermocouple pair, resulting in a decrease in internal energy and a drop in temperature, forming a cold end; while at the other end, due to electron-hole recombination, the internal energy increases and the temperature rises, forming a hot end, so as to dissipate heat outward.

[0078] like Figure 1 and Figure 2 As shown, in a specific embodiment, the steam oven also includes a controller 50, which is mounted on the top of the steam oven liner 11 and is attached to or close to the cooling cavity. Thus, the cooling structure 30 can also cool the controller 50, promoting heat dissipation and ensuring stable operation of the controller 50.

[0079] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0080] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the scope of protection of this application. Therefore, the patent protection scope of this application should be determined by the appended claims.

Claims

1. A steam-bake-sterilize combo machine, characterized in that, Includes a steam oven inner cavity, a sterilization inner cavity, a first sterilization structure, a refrigeration structure, and fluid dynamic components; The steaming and baking inner liner and the disinfection inner liner are arranged at intervals along a first direction. The first disinfection structure is provided in the disinfection inner liner and includes a lamp tube and a lamp cover surrounding the outside of the lamp tube. A first disinfection cavity is provided between the lamp cover and the lamp tube. The refrigeration structure is located on the outside of the steam oven and the sterilization oven and has a refrigeration cavity. The refrigeration cavity is connected to the first sterilization cavity and together defines the first flow path. The steam oven and sterilizer combo has at least a first state and a second state; In the first state, the fluid dynamic component is turned on, the lamp is turned off, one end of the first flow path is connected to the steam oven inner cavity, the other end is connected to the external environment, and a first cooling circuit is defined; in the second state, both the fluid dynamic component and the lamp are turned on, the first flow path is connected to the steam oven inner cavity and a first disinfection circuit is defined, and the disinfection light emitted by the lamp can convert the gas flowing through the first disinfection chamber into disinfection gas.

2. The steam-baking-sterilizing integrated machine according to claim 1, characterized in that, The first flow path has an air inlet and an air outlet, and the steam oven inner cavity is connected to a first conveying pipe and a second conveying pipe. The first conveying pipe is connected to the air outlet, and the second conveying pipe is connected to the air inlet. The air inlet is also provided with a first vent pipe, the other end of which is used to connect to the external environment; the second delivery pipe is connected to a second vent pipe, which divides the second delivery pipe into a first section and a second section. The first section is connected to the steam oven inner liner, the second section is connected to the air inlet, and the other end of the second vent pipe is used to connect to the external environment. In the first state, the first vent pipe, the first flow path, the first delivery pipe, the steam oven inner liner, the first section, and the second vent pipe together define the first cooling circuit; In the second state, the first flow path, the first conveying pipe, the steam oven inner liner, and the second conveying pipe together define the first disinfection circuit.

3. The steam-baking-sterilizing integrated machine according to claim 2, characterized in that, The sterilization inner liner is provided with a third conveying pipe and an exhaust channel. The third conveying pipe is connected to the air outlet of the first flow path, and the exhaust channel is used to connect to the external environment. The steam-baking-sterilization integrated machine also has a third state. In the third state, the first vent pipe, the first flow path, the third delivery pipe, the sterilization inner liner, and the exhaust channel are connected and together define a second cooling circuit.

4. The steam-baking-sterilizing integrated machine according to claim 3, characterized in that, The fluid dynamic component is located on the outside of the sterilization inner liner and the steaming and baking inner liner. The fluid dynamic component, the first sterilization chamber and the refrigeration chamber are connected in series and together define the first flow path.

5. The steam-baking-sterilizing integrated machine according to claim 4, characterized in that, The sterilization liner is provided with a fourth delivery pipe, which is connected to a third vent pipe. The third vent pipe divides the fourth delivery pipe into a third section and a fourth section. The third section is connected to the air inlet of the first flow path, and the fourth section is connected to the sterilization liner. The fourth section and the third vent pipe together define the exhaust channel.

6. The steam-baking-sterilizing integrated machine according to claim 5, characterized in that, The steam oven and sterilizer also has a fourth state, in which the first flow path, the third conveying pipe, the sterilization inner liner and the fourth conveying pipe are connected and together define a second sterilization circuit.

7. The steam-baking-sterilizing integrated machine according to claim 6, characterized in that, The second disinfection circuit and the first disinfection circuit can be selectively connected or simultaneously connected; and / or, the first cooling circuit and the second cooling circuit can be selectively connected or simultaneously connected.

8. The steam-baking-sterilizing integrated machine according to claim 2, characterized in that, The inner wall of the steam oven is provided with a vent, and the fluid dynamic component is located at the vent and connected to the air outlet of the first flow path; the sterilization inner liner is provided with a fifth conveying pipe and an exhaust channel, the other end of the fifth conveying pipe is connected to the air inlet of the first flow path, and the exhaust channel is used to connect to the external environment; The steam oven and sterilizer also has a third state, in which the first vent pipe, the first flow path, and the steam oven inner liner are connected and jointly define a preheating flow path. The preheating flow path is connected to the sterilizing inner liner through the fifth conveying pipe and, together with the exhaust channel, defines a second cooling circuit.

9. The steam-baking-sterilizing integrated machine according to claim 8, characterized in that, The exhaust channel is an exhaust hole located in the sterilization inner liner, and a backflow prevention structure is provided at the exhaust hole.

10. The steam-baking-sterilizing integrated machine according to claim 1, characterized in that, The steam oven and sterilizer also includes a second sterilization structure, which is located on the outside of the steam oven and sterilization chambers. The second sterilization structure has a second sterilization chamber, and the second sterilization chamber, the first sterilization chamber, and the refrigeration chamber are connected in series and together define the first flow path.

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