Air curtain assembly, cooking utensil and cooking utensil assembly

Abstract

The utility model provides an air curtain assembly, a cooking utensil and a cooking utensil assembly. The air curtain assembly is used for the cooking utensil and comprises an air curtain body, an air curtain inlet and an air curtain outlet are formed in the air curtain body, an air curtain flow channel is formed in the air curtain body, and the air curtain flow channel is communicated with the air curtain inlet and the air curtain outlet; and the heat exchange piece is arranged on the air curtain body and comprises a cold end and a hot end, the cold end is used for exchanging heat with the air curtain flow channel, and the hot end is arranged far away from the air curtain flow channel.

Description

Technical Field

[0001] The present application relates to the technical field of cooking appliances, and in particular to an air curtain assembly, a cooking appliance, and a cooking appliance assembly. Background Art

[0002] In the related art, a microwave oven with a fume extraction function is placed above a stove to extract the fume and hot air generated during cooking. The unreasonable structure of the microwave oven causes the kitchen to be stuffy and the surrounding temperature of the cook is high, which reduces the user experience of the product. Utility Model Content

[0003] The present application aims to solve at least one of the technical problems existing in the prior art or related art.

[0004] To this end, a first aspect of the present application provides an air curtain assembly.

[0005] A second aspect of the present application provides a cooking appliance.

[0006] A third aspect of the present application provides a cooking appliance assembly.

[0007] In view of this, the first aspect of the present application provides an air curtain assembly for a cooking appliance, comprising: an air curtain body, on which an air curtain inlet and an air curtain outlet are provided, and in which an air curtain flow channel is provided, the air curtain flow channel connects the air curtain inlet and the air curtain outlet; a heat exchange element, which is arranged on the air curtain body, and the heat exchange element includes a cold end and a hot end, the cold end is used to exchange heat with the air curtain flow channel, and the hot end is arranged away from the air curtain flow channel.

[0008] The wind curtain assembly provided by the utility model comprises a wind curtain body and a heat exchange component.

[0009] The air curtain body is provided with an air curtain inlet and an air curtain outlet, and the air curtain body is provided with an air curtain flow channel, which is connected with the air curtain inlet and the air curtain flow channel is connected with the air curtain outlet, that is, the air curtain flow channel connects the air curtain inlet and the air curtain outlet.

[0010] The heat exchanger is arranged on the air curtain body, and the air curtain body serves as a mounting carrier of the heat exchanger and has the function of mounting and fixing the heat exchanger. The heat exchanger includes a cold end and a hot end, and the cold end is used to exchange heat with the air curtain flow channel to reduce the temperature of the medium in the air curtain flow channel.

[0011] When the cooking appliance is working, the airflow flows into the air curtain flow channel from the air curtain inlet, and the cold end of the heat exchanger can exchange heat with the medium (such as gas and / or gas-liquid mixture) in the air curtain flow channel. The refrigerated airflow flows out of the air curtain assembly and the cooking appliance through the air curtain outlet of the air curtain body, and the cold air blows on the cook to achieve the effect of air conditioning and refrigeration, which can effectively reduce the temperature around the cook and reduce the stuffiness problem caused by heat radiation to the cook, thereby greatly improving the product's performance and market competitiveness.

[0012] Optionally, the cooking appliance is provided with a first opening and a second opening, the air curtain inlet of the air curtain body is connected to the first opening, and the air curtain outlet of the air curtain body is connected to the second opening. When the cooking appliance is working, the oil smoke enters the air curtain inlet through the first opening, then flows into the air curtain flow channel, and flows out of the cooking appliance through the air curtain outlet and the second opening of the air curtain body. The air flow flowing out through the air curtain assembly can form an air convection barrier (i.e., an air curtain) between the stove and the cook. The air curtain can effectively block the heat and smoke from the stove from overflowing, so that the smoke can be effectively sucked into the cooking appliance to reduce the temperature and oil smoke concentration around the cook, and concentrate the oil smoke and hot air at the air inlet, thereby greatly improving the efficiency of heat and smoke exhaust of the cooking appliance.

[0013] It can be understood that the hot end of the heat exchanger is arranged away from the air curtain flow channel, for example, the cold end of the heat exchanger is closer to the air curtain flow channel than the hot end of the heat exchanger. In this way, the influence of the hot end of the heat exchanger on the temperature in the air curtain flow channel can be reduced, and the heat exchange effect of the heat exchanger can be ensured.

[0014] According to the above-mentioned air curtain assembly of the present application, the following additional technical features may also be provided:

[0015] In some embodiments, optionally, the heat exchange element is located on one side of the air curtain body, and the cold end is attached to the outer surface of the air curtain body.

[0016] In this embodiment, the matching structure between the heat exchange element and the air curtain body is further defined.

[0017] The heat exchanger is located on one side of the air curtain body, that is, the heat exchanger is located on the outside of the air curtain body. The cold end of the heat exchanger is arranged in contact with the outer surface of the air curtain body. This arrangement shortens the distance between the cold end of the heat exchanger and the air curtain body, and further shortens the distance between the cold end of the heat exchanger and the air curtain flow channel, so that the cold energy generated by the cold end of the heat exchanger can be transferred to the air curtain flow channel in a timely manner, and can effectively exchange heat with the medium in the air curtain flow channel.

[0018] It can be understood that the cold end of the heat exchanger is attached to the outer surface of the air curtain body, and the cold end of the heat exchanger can cool the wall of the air curtain body. When the medium in the air curtain flow channel flows to this place, cold air convection can be realized, thereby achieving the purpose of cooling the medium in the air curtain flow channel, so that the cold air can flow to the cook through the air curtain outlet of the air curtain body to achieve the effect of air conditioning refrigeration.

[0019] In some embodiments, optionally, a mounting opening is further provided on the air curtain body, the mounting opening is connected to the air curtain flow channel, and the cold end of the heat exchange component is plugged into the mounting opening.

[0020] In this embodiment, the matching structure between the heat exchange element and the air curtain body is further defined.

[0021] The air curtain body is also provided with a mounting opening, which is communicated with the air curtain flow channel.

[0022] The cold end of the heat exchanger is plugged into the installation opening, for example, at least a portion of the cold end of the heat exchanger extends into the air curtain channel through the installation opening, or, for example, the cold end of the heat exchanger smoothly transitions to the channel wall of the air curtain channel.

[0023] It can be understood that the cold end of the heat exchange element can directly contact the medium in the air curtain flow channel. When the medium in the air curtain flow channel flows to the cold end of the heat exchange element, it can exchange heat with the cold end, thereby achieving the purpose of cooling the medium in the air curtain flow channel, so that the cold air can flow to the cook through the air curtain outlet of the air curtain body, so as to achieve the effect of air conditioning and refrigeration.

[0024] This arrangement can reduce the volume of the part of the heat exchanger exposed outside the air curtain body, which is beneficial to reducing the volume of the air curtain assembly, and further to reducing the space occupied by the air curtain assembly. At the same time, since the cold end of the heat exchanger can directly contact the medium in the air curtain flow channel, this is beneficial to improve the efficiency of cold end refrigeration and improve the performance of the product.

[0025] In some embodiments, optionally, the air curtain assembly includes: a first fan, the first fan includes an impeller and an inlet portion, the inlet portion and the impeller are both located in the air curtain flow channel, and the cold end is arranged adjacent to the inlet portion.

[0026] In this embodiment, the air curtain assembly includes a first fan, and defines a matching structure of the first fan, an air curtain body, and a heat exchange element.

[0027] The first fan comprises an impeller and an inlet portion, and both the inlet portion and the impeller are located in the air curtain flow channel.

[0028] The first fan is working, and the impeller rotates to drive the medium in the air curtain flow channel to flow from the air curtain inlet to the air curtain outlet.

[0029] It can be understood that the inlet of the first fan is the high-speed flow area of ​​the wind curtain body. By arranging the cold end close to the inlet, that is, the installation position of the cold end of the heat exchanger is close to the high-speed flow area of ​​the wind curtain body, the high wind speed can play a role in rapid convection cooling, which is beneficial to improving the heat exchange efficiency of the heat exchanger and improving the performance of the product.

[0030] In some embodiments, optionally, the wind curtain assembly further includes: an air inlet structure, the air inlet structure is provided with an air curtain inlet; a guide portion, connected to the air inlet structure, the guide portion is provided with an air curtain outlet, and the air inlet structure and the guide portion enclose an air curtain flow channel.

[0031] In this embodiment, the air curtain assembly further includes an air inlet structure and an air guide portion.

[0032] The air inlet structure is provided with an air curtain inlet, the air guide portion is provided with an air curtain outlet, and the air inlet structure and the air guide portion enclose an air curtain flow channel.

[0033] The airflow flows into the air inlet structure through the air curtain inlet, flows to the air curtain outlet through the air guide part, and flows out of the air curtain assembly through the air curtain outlet.

[0034] This arrangement defines the flow path of the airflow within the air curtain assembly and provides structural support for effectively forming the air curtain.

[0035] In some embodiments, optionally, a portion of the guide portion located between the impeller and the air curtain outlet is provided with at least one guide hole, and the guide hole is connected to the air curtain flow channel.

[0036] In this embodiment, the structure of the air guide portion is further defined so that a portion of the air guide portion between the impeller and the air curtain outlet is provided with at least one air guide hole, and the air guide hole is connected to the air curtain flow channel.

[0037] Optionally, at least one air guide hole is provided on the top wall of a portion of the air guide portion located between the housing assembly of the cooking appliance and the air curtain outlet.

[0038] That is to say, a part of the airflow in the wind curtain assembly will flow out of the wind curtain assembly through the guide holes. In other words, a part of the airflow in the wind curtain flow channel will flow out through the guide holes. The airflow flowing out through the guide holes can dissipate heat for the cook, reduce the ambient temperature of the cook, and help improve the performance of the product.

[0039] Optionally, when there are multiple flow guide holes, the multiple flow guide holes are arranged at intervals, and the multiple flow guide holes are arranged linearly. The extension direction of the multiple flow guide holes is perpendicular to the height direction of the cooking appliance.

[0040] Optionally, the air curtain assembly further includes at least one reinforcing plate, which is connected to the outer surface of the air guide portion, and a reinforcing plate is provided between any two adjacent air guide holes. The reinforcing plate has the function of enhancing the structural strength of the air guide portion, can prevent the air curtain assembly from deforming during operation, and can ensure the flow path of the airflow.

[0041] In some embodiments, optionally, the air guide portion is rotatably connected to the air inlet structure.

[0042] In this embodiment, the coordination structure of the air guide and the air inlet structure is further defined, so that the air guide and the air inlet structure, that is, the air guide can rotate relative to the air inlet structure. In other words, the setting position of the air curtain outlet of the air guide can be adjusted. This setting makes the installation height of the cooking appliance unrestricted, and the position of the air guide relative to the outer shell component of the cooking appliance can be adjusted in a targeted manner according to the product model and the coordination position of the cooking appliance and the stove, so as to ensure the efficiency of heat and smoke exhaust of the cooking appliance.

[0043] This setting improves the adaptability of the product, can meet various installation configuration requirements, and improves the product's performance.

[0044] In some embodiments, optionally, the wind curtain body also includes a guide rib, which is arranged at the wind curtain outlet. The guide rib has a first end and a second end that are relatively arranged, and the first end and the second end are both connected to the mouth wall of the wind curtain outlet, and the distance from the first end to the middle of the wind curtain outlet is smaller than the distance from the second end to the middle of the wind curtain outlet.

[0045] In this embodiment, the structure of the air curtain assembly is further defined so that the air curtain assembly further includes guide ribs.

[0046] The guide rib has a first end and a second end, and the first end of the guide rib is arranged opposite to the second end of the guide rib. The first end of the guide rib and the second end of the guide rib are both connected to the outlet wall of the air curtain outlet.

[0047] The distance from the first end to the middle of the air curtain outlet is smaller than the distance from the second end to the middle of the air curtain outlet, that is, the guide ribs are arranged obliquely.

[0048] The outlet wall of the air curtain includes a first wall surface and a second wall surface, the first wall surface and the second wall surface are arranged opposite to each other, the first end of the guide rib is connected to the first wall surface, and the second end of the guide rib is connected to the second wall surface.

[0049] The guide ribs have the function of guiding the airflow, so that the airflow from the air curtain assembly radiates to at least one side in the width direction (the direction perpendicular to the first wall surface to the second wall surface), thereby achieving wide coverage of the air curtain. In this way, it is conducive to achieving full coverage of the stove and can effectively form an air curtain between the stove and the cook.

[0050] In some embodiments, optionally, there are multiple guide ribs, a portion of the multiple guide ribs are located on a first side of the middle of the air curtain outlet, and another portion of the multiple guide ribs are located on a second side of the middle of the air curtain outlet.

[0051] In this embodiment, the number of guide ribs and the distribution positions of the guide ribs are further limited.

[0052] There are multiple guide ribs, some of which are located on a first side of the middle of the air curtain outlet, and another part of which are located on a second side of the middle of the air curtain outlet.

[0053] For example, the guide rib located on the first side of the middle of the wind curtain outlet is recorded as the first guide rib, and the guide rib located on the second side of the middle of the wind curtain outlet is recorded as the second guide rib. The first guide rib and the second guide rib are arranged in an "eight" shape. It can also be said that the distance from the first end of the first guide rib to the first end of the second guide rib is smaller than the distance from the second end of the first guide rib to the second end of the second guide rib. The multiple guide ribs located on opposite sides of the middle of the wind curtain outlet can effectively guide the airflow, so that the airflow flowing out of the wind curtain assembly radiates to both sides in the width direction, thereby achieving wide coverage of the wind curtain.

[0054] In some embodiments, optionally, the inner surface of the air inlet structure encloses a portion of the air curtain flow channel; and the flow cross-sectional area of ​​the air inlet structure gradually increases from the air curtain inlet to the air curtain outlet.

[0055] In this embodiment, the structure of the air curtain assembly is further defined so that the inner surface of the air inlet structure encloses a portion of the air curtain outlet flow channel.

[0056] It is also defined that the flow cross-sectional area of ​​the air inlet structure gradually increases along the direction from the air curtain inlet to the air curtain outlet.

[0057] The air inlet structure is sectioned along a direction perpendicular to the extension direction of the air inlet structure (or in other words, along a direction perpendicular to the wind curtain inlet to the wind curtain outlet). In the section, the area enclosed by the contour line of the inner surface of the air inlet structure is the flow cross-sectional area of ​​the air inlet structure.

[0058] This arrangement can realize fan-shaped air supply and increase the radiation area of ​​the airflow, so that the airflow can be effectively guided, which is conducive to the airflow flowing out of the air curtain assembly radiating to both sides in the width direction, thereby achieving wide coverage of the air curtain. In this way, it is conducive to achieving full coverage of the stove and can effectively form an air curtain between the stove and the cook.

[0059] A second aspect of the present invention provides a cooking appliance, comprising: an air curtain assembly as in the first aspect.

[0060] The cooking appliance provided by the utility model includes the air curtain assembly as in the first aspect, and therefore has all the beneficial effects of the air curtain assembly, which will not be described one by one here.

[0061] In some embodiments, optionally, the cooking utensil further includes: a shell assembly, the shell assembly is provided with an air inlet, an air outlet, a first opening and a second opening, and the shell assembly has a back plate; a cooking body, disposed in the shell assembly, the cooking body is provided with a cooking cavity, the outer surface of the cooking body and the inner surface of the shell assembly enclose an oil fume air duct, the oil fume air duct connects the air inlet and the air outlet, the distance from the air inlet to the back plate is smaller than the distance from the second opening to the back plate; an air curtain assembly is disposed between the shell assembly and the cooking body, the air curtain inlet is connected to the first opening, and the air curtain outlet is connected to the second opening.

[0062] A cooking appliance provided in the present application includes a housing assembly, a cooking body and an air curtain assembly.

[0063] The cooking body is provided with a cooking cavity, and ingredients can be placed in the cooking cavity and cooked in the cooking cavity to meet usage needs such as heating ingredients, baking ingredients, and micro-steaming and baking ingredients.

[0064] The cooking body is arranged in the housing assembly, that is, the housing assembly serves as a mounting carrier of the cooking body and has the function of mounting and fixing the cooking body. The housing assembly has a back plate, and optionally, a part of the outer surface of the housing assembly is the back plate.

[0065] Among them, the outer surface of the cooking body and the inner surface of the shell assembly enclose an oil fume duct, the air curtain assembly is arranged between the shell assembly and the cooking body, the oil fume duct and the air curtain assembly are two relatively independent structures, and the air curtain assembly is located on one side of the oil fume duct.

[0066] The housing component is provided with an air inlet, an air outlet, a first opening and a second opening. The oil fume air duct is connected with the air inlet and the air outlet, the air curtain inlet is connected with the first opening, and the air curtain outlet is connected with the second opening.

[0067] It is understandable that when the cooking appliance is working, the oil smoke enters the oil smoke duct through the air inlet and is discharged from the outer shell component through the air outlet. The air curtain component works so that the air flow enters the air curtain component from the first opening and flows out of the outer shell component through the second opening through the air curtain component. Since the oil smoke duct and the air curtain body are independent of each other, the air flow in the oil smoke duct will not intersect with the air flow in the air curtain body, and the effective flow of each air flow can be ensured.

[0068] The cooking utensil is used in a cooking utensil assembly, and the cooking utensil assembly includes a stove, and the cooking utensil is located above the stove. The distance from the air inlet to the back plate is less than the distance from the second opening to the back plate. That is, the air inlet is closer to the back plate than the second opening. In other words, the second opening is located at the front end of the air inlet. It can also be said that the second opening is closer to the cook than the air inlet. In this way, the air flow flowing out through the air curtain assembly can form an air convection barrier (that is, an air curtain) between the stove and the cook. The air curtain can effectively block the heat and smoke from the stove from overflowing, so that the smoke can be effectively sucked into the oil fume duct through the air inlet, so as to reduce the temperature and oil fume concentration around the cook, and concentrate the oil fume and hot air at the air inlet, thereby greatly improving the efficiency of heat and smoke exhaust of the cooking utensil.

[0069] The present application provides an air curtain assembly and limits the matching structure of the air curtain assembly and the oil fume duct, which can effectively block the heat and smoke from the stove from escaping without changing the external dimensions of the cooking appliance, thereby helping to improve the exhaust efficiency of the cooking appliance, and can effectively lock in heat and isolate smoke, so that the hot air and oil fume are shielded between the stove head and the cooking appliance, thereby improving the product's performance and market competitiveness.

[0070] In some embodiments, optionally, the hot end of the heat exchange element is located in the oil fume duct; or the hot end of the heat exchange element is located on one side of the oil fume duct, and the hot end of the heat exchange element is arranged adjacent to the outer surface of the oil fume duct.

[0071] In this embodiment, the matching structure of the heat exchange element and the oil fume duct is further defined so that the hot end of the heat exchange element is located in the oil fume duct.

[0072] In this way, when the heat exchanger is working, the heat generated by the hot end of the heat exchanger can be dissipated through the oil fume duct to ensure the temperature at the hot end of the heat exchanger, providing structural support for ensuring the heat exchange efficiency of the heat exchanger.

[0073] Alternatively, the matching structure of the heat exchanger and the oil fume duct is further limited so that the hot end of the heat exchanger is located on one side of the oil fume duct and the hot end of the heat exchanger is arranged close to the outer surface of the oil fume duct.

[0074] When the heat exchanger is working, the heat generated by the hot end of the heat exchanger can exchange heat with the oil fume duct to reduce the temperature at the hot end of the heat exchanger. It can be understood that the hot end of the heat exchanger can exchange heat with the smoke in the oil fume duct to achieve the purpose of reducing the temperature at the hot end of the heat exchanger.

[0075] In some embodiments, optionally, at least a portion of the air guide portion of the air curtain body extends out of the housing assembly through the second opening, and a portion of the air guide portion located outside the housing assembly is provided with an air curtain outlet and an air guide hole.

[0076] In this embodiment, the matching structure of the air curtain assembly and the shell assembly is further defined.

[0077] At least a portion of the air guide portion extends out of the housing assembly through the second opening, that is, at least a portion of the air guide portion is located outside the housing assembly.

[0078] The portion of the air guide portion located outside the shell component is provided with an air curtain outlet, and the air flow is discharged from the shell component via the air curtain outlet to form an air curtain.

[0079] It can be understood that the guide part has a guiding function and can adjust the flow direction of the airflow flowing out of the shell assembly, providing structural support to ensure that the airflow flowing out through the air curtain assembly can form an air convection barrier between the stove and the cook.

[0080] In addition, at least a portion of the guide portion extends out of the shell assembly through the second opening. This arrangement can reduce the processing accuracy requirements for the positional relationship between the second opening and the air inlet. The guide portion can further adjust the direction of the outflowing airflow based on the position of the second opening.

[0081] The part of the guide portion located outside the outer shell assembly is provided with a guide hole, and a part of the airflow in the wind curtain assembly will flow out of the outer shell assembly through the guide hole. In other words, a part of the medium in the wind curtain flow channel flows out through the guide hole. The airflow flowing out through the guide hole can dissipate heat for the cook, can reduce the ambient temperature of the cook, and is beneficial to improving the performance of the product.

[0082] In some embodiments, optionally, a portion of the guide portion located outside the housing assembly forms an angle a with the bottom of the housing assembly, wherein 30°≤a≤70°.

[0083] In this embodiment, the extending direction of the air guide portion is further defined.

[0084] The portion of the guide portion located outside the housing assembly forms an angle a with the bottom of the housing assembly, and the angle a satisfies: 30°≤a≤70°.

[0085] This setting combined with the setting position of the second opening can adjust the formation position of the air curtain, so that the suction direction of the oil smoke can be adjusted, so that the oil smoke is not easily blown onto the cook, and the positional relationship between the air curtain, the stove and the cook can be ensured, providing effective and reliable structural support for improving the efficiency of oil smoke extraction.

[0086] Optionally, the angle between the part of the guide portion located outside the shell assembly and the bottom of the shell assembly is a=40°, the angle between the part of the guide portion located outside the shell assembly and the bottom of the shell assembly is a=50°, the angle between the part of the guide portion located outside the shell assembly and the bottom of the shell assembly is a=60°, etc., which are not listed here one by one.

[0087] Optionally, at least one air guide hole is provided on the top wall of the air guide portion located between the housing assembly and the air curtain outlet.

[0088] In some embodiments, optionally, the cooking cavity has a placement opening, and the guide portion extends along the opening wall of the placement opening from the first side of the cooking cavity to the second side of the cooking cavity, the first side of the cooking cavity is arranged opposite to the second side of the cooking cavity, and the extension direction of the guide portion is perpendicular to the height direction of the outer shell assembly.

[0089] In this embodiment, the extending direction of the air guide portion is further defined.

[0090] The cooking cavity has a storage opening, through which food is placed in the cooking cavity. It is understandable that the cooking appliance includes a furnace door, which is openably connected to the cooking body, and the furnace door is used to open or close the storage opening.

[0091] The air guide extends along the wall of the storage opening, and the air guide extends from the first side of the cooking cavity to the second side of the cooking cavity. The first side of the cooking cavity is arranged opposite to the second side of the cooking cavity, and the extension direction of the air guide is perpendicular to the height direction of the housing assembly. In other words, the air guide is larger in the direction of the first side of the cooking cavity and the second side of the cooking cavity, so that the coverage area of ​​the air curtain formed by the air curtain assembly on the stove can be increased, which is conducive to increasing the diffusion area of ​​the air flow of the air curtain assembly in the direction of the first side of the cooking cavity and the second side of the cooking cavity, thereby achieving wide coverage of the air curtain, which is conducive to achieving full coverage of the stove, and can effectively form an air curtain between the stove and the cook.

[0092] Optionally, the air curtain outlet of the guide portion extends along the mouth wall of the storage port from the first side of the cooking cavity to the second side of the cooking cavity, the first side of the cooking cavity is arranged opposite to the second side of the cooking cavity, and the extension direction of the air curtain outlet is perpendicular to the height direction of the outer shell assembly.

[0093] In some embodiments, optionally, the air inlet and the first opening are located on different sides of the cooking cavity.

[0094] In this embodiment, the positional relationship between the air inlet and the first opening is further defined, so that the first opening and the air inlet are located on different sides of the cooking cavity. For example, the air inlet and the first opening are located on two adjacent sides of the cooking cavity. For example, the air inlet and the first opening are located on two opposite sides of the cooking cavity.

[0095] By limiting the positional relationship between the air inlet and the first opening, the air inlet and the first opening are located on different sides of the cooking cavity. This helps reduce the oil smoke that enters the air curtain assembly through the first opening, and helps reduce the oil stains deposited in the air curtain assembly. This helps reduce the frequency of cleaning the air curtain assembly and can ensure the air flow rate flowing through the air curtain assembly per unit time.

[0096] In some embodiments, optionally, at least one of the top of the housing assembly and the side of the housing assembly is provided with an air outlet, and at least one of the bottom and the side of the housing assembly is provided with a second opening.

[0097] In this embodiment, the arrangement positions of the air outlet and the second opening are further defined.

[0098] Optionally, at least one of the top and the side of the housing assembly is provided with an air outlet. That is, the top of the housing assembly is provided with an air outlet, or the side of the housing assembly is provided with an air outlet, or a part of the air outlet is provided at the top of the housing assembly, and another part of the air outlet is provided at the side of the housing assembly.

[0099] Optionally, at least one of the bottom and the side of the housing assembly is provided with a second opening. That is, the bottom of the housing assembly is provided with the second opening, or the side of the housing assembly is provided with the second opening, or a part of the second opening is provided at the bottom of the housing assembly, and another part of the second opening is provided at the side of the housing assembly.

[0100] In some embodiments, optionally, the air curtain assembly is located at the bottom of the cooking cavity; the air inlet includes a first sub-port and a second sub-port, the first part of the oil fume duct extends from the first sub-port through the first side of the cooking cavity to the air outlet, and the second part of the oil fume duct extends from the second sub-port through the second side of the cooking cavity to the air outlet.

[0101] In this embodiment, the matching structure of the oil fume air duct and the air curtain assembly is further defined.

[0102] The air curtain assembly is located at the bottom of the cooking cavity.

[0103] The air inlet includes a first sub-port and a second sub-port. The first sub-port and the second sub-port are arranged at intervals.

[0104] The oil fume duct includes a first part and a second part. The first part of the oil fume duct extends from the first sub-port through the first side of the cooking cavity to the air outlet, and the second part of the oil fume duct extends from the second sub-port through the second side of the cooking cavity to the air outlet. This arrangement allows the heat and oil fume at the stove to enter the oil fume duct through the first sub-port and the second sub-port at different positions. This arrangement can draw air into the oil fume duct from multiple directions and multiple angles, which is beneficial to reducing the temperature around the cook and the oil fume concentration, and is beneficial to improving the efficiency of heat and smoke exhaust of the cooking appliance.

[0105] It is understandable that the oil fume duct is divided into at least two parts, namely, a first part and a second part of the oil fume duct. The flow path of the airflow in the first part of the oil fume duct is different from the flow path of the airflow in the second part of the oil fume duct, so that the internal space of the cooking appliance can be effectively utilized and the oil fume extraction efficiency can be ensured without changing the layout positions of other components.

[0106] It is understandable that the inflow ends of the first part of the oil fume duct and the second part of the oil fume duct are different, but the outflow ends (ie, air outlets) of the first part of the oil fume duct and the second part of the oil fume duct are the same.

[0107] In some embodiments, optionally, the cooking appliance further includes: a second fan, arranged in the oil fume duct, the second fan having a first inlet, a second inlet and an outlet, the first part of the oil fume duct is connected to the first inlet, the second part of the oil fume duct is connected to the second inlet, and the outlet is connected to the air outlet.

[0108] In this embodiment, the structure of the cooking appliance is further limited so that the cooking appliance further includes a second fan, and the second fan is arranged in the oil fume air duct.

[0109] The second fan has a first inlet, a second inlet and an outlet, the first inlet is communicated with the outlet, and the second inlet is communicated with the outlet.

[0110] The first part of the oil fume duct is connected to the first inlet, the second part of the oil fume duct is connected to the second inlet, and the outlet is connected to the air outlet. In this way, the first part of the oil fume duct extends from the first sub-port through the first side of the cooking cavity to the air outlet, and the second part of the oil fume duct extends from the second sub-port through the second side of the cooking cavity to the air outlet.

[0111] It can be understood that the operation of the second fan can generate negative pressure at the air inlet to suck in the hot air and oil smoke from the stove through the air inlet, and enter the first inlet and the second inlet of the second fan through the oil smoke duct located on both sides of the cooking chamber. The hot air and oil smoke will be pressurized and accelerated when passing through the second fan, and flow to the air outlet through the outlet of the second fan, and then discharged from the cooking utensils.

[0112] In some embodiments, optionally, the cooking body is further provided with an air guide groove, the air guide groove and the shell assembly enclose a part of the oil fume outlet duct, and the air guide groove is connected between the outlet and the air outlet.

[0113] In this embodiment, the structure of the cooking body is further limited, so that the cooking body is also provided with an air guide groove, and the air guide groove and the shell assembly enclose a part of the oil fume air duct. The air guide groove has a guiding function, so that the airflow blown out of the outlet of the second fan can be effectively guided to the air outlet by the air guide groove. In other words, the air guide groove and the shell assembly cooperate to limit the flow path of the airflow, avoid the situation where part of the airflow deviates from the air outlet, and provide effective and reliable structural support to ensure the oil fume extraction efficiency of the cooking appliance.

[0114] In addition, the structural setting of the air guide groove can prevent the oil fume air duct from flowing into other air ducts of the cooking appliance, ensure the stability of the flow of oil fume and hot air, and prevent the oil fume and hot air from flowing to other positions of the cooking appliance.

[0115] In some embodiments, optionally, a heat dissipation duct is enclosed between the outer surface of the cooking body and the inner surface of the shell component, and the shell component is also provided with a heat dissipation port, which is connected to the heat dissipation duct; the cooking appliance also includes electrical components, which are arranged in the heat dissipation duct.

[0116] In this embodiment, the structure of the cooking utensil is further defined, so that a heat dissipation duct is enclosed between the outer surface of the cooking body and the inner surface of the shell component, and the shell component is further provided with a heat dissipation port, which is connected to the heat dissipation duct. The heat dissipation duct is used to accommodate the electrical components of the cooking utensil, and the heat dissipation duct is used to dissipate heat from the electrical components. The temperature at the electrical components can be ensured, which is conducive to reducing the temperature rise of the electrical components and prolonging the service life of the electrical components.

[0117] It is understandable that the outer surface of the cooking body and the inner surface of the housing assembly enclose an oil fume duct and a heat dissipation duct. Any two of the oil fume duct, the air curtain assembly and the heat dissipation duct are independent structures, and the airflows in any two of them will not interfere with each other.

[0118] In some embodiments, optionally, the housing assembly includes a chassis, the chassis is located at the bottom of the cooking body, the air curtain assembly is detachably connected to the chassis, or the air curtain assembly is integrally formed with the chassis; the electrical device includes at least a microwave generator.

[0119] In this embodiment, a housing assembly is further defined, the housing assembly further comprising a bottom plate, the bottom plate being located at the bottom of the cooking body.

[0120] The air curtain assembly is detachably connected to the chassis, or the air curtain assembly is formed integrally with the chassis. That is, the chassis serves as a mounting carrier of the air curtain assembly and has the function of mounting and fixing the air curtain assembly.

[0121] When the air curtain assembly is detachably connected to the chassis, the connection method between the air curtain assembly and the chassis includes any one of the following or a combination thereof: screw connection, riveting, magnetic connection and plug-in connection. This setting ensures the reliability of the connection between the air curtain assembly and the chassis while facilitating the cleaning and maintenance of the air curtain assembly and the chassis and reducing the possibility of bacterial growth. That is, the air curtain assembly can be separated from the chassis or assembled together with the chassis according to actual use needs. This setting simplifies the assembly structure of the cooking utensil, simplifies the disassembly and assembly process, reduces the difficulty of disassembly and assembly of the cooking utensil, and is conducive to the cleaning of the cooking utensil and subsequent repair and maintenance.

[0122] When the air curtain assembly is formed integrally with the chassis, the structural setting simplifies the molding process of the air curtain assembly and the chassis because the assembly process of the air curtain assembly and the chassis is omitted, which is conducive to improving the processing efficiency of the product. In addition, the air curtain assembly and the chassis are formed integrally to ensure the dimensional accuracy of the product.

[0123] The type of electrical device is defined, for example, the electrical device at least includes a microwave generator.

[0124] The electrical components also include any one of the following or a combination thereof: a transformer, a frequency converter, a cooling fan, a cooling motor, a turntable motor, a high-voltage variable capacitance, a magnetron and a filter board.

[0125] The third aspect of the present invention provides a cooking utensil assembly, comprising: a stove; and the cooking utensil as in the second aspect, wherein the cooking utensil is arranged at intervals on the top of the stove, and an air inlet of the cooking utensil is arranged toward the stove.

[0126] The cooking utensil assembly provided by the present invention includes the cooking utensil in the first aspect, and therefore has all the beneficial effects of the above cooking utensil, which will not be described one by one here.

[0127] Additional aspects and advantages of the present application will become apparent in the following description or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0128] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0129] Figure 1 A schematic structural diagram of an air curtain assembly according to an embodiment of the present application is shown;

[0130] Figure 2 A schematic structural diagram of a flow guide portion according to an embodiment of the present application is shown;

[0131] Figure 3 A schematic diagram showing the first part of the structure of a cooking appliance according to an embodiment of the present application is shown;

[0132] Figure 4 for Figure 3 An enlarged view of a portion A of the cooking utensil shown;

[0133] Figure 5 A schematic diagram showing the second part of the structure of a cooking appliance according to an embodiment of the present application is shown;

[0134] Figure 6 A third structural schematic diagram of a cooking appliance according to an embodiment of the present application is shown;

[0135] Figure 7 A schematic diagram showing the fourth structure of a cooking appliance according to an embodiment of the present application is shown;

[0136] Figure 8 An exploded view of a cooking appliance according to an embodiment of the present application is shown in a first perspective;

[0137] Fig. 9 An exploded view of a cooking appliance according to an embodiment of the present application from a second perspective is shown;

[0138] Fig.10 An exploded view of a cooking appliance according to an embodiment of the present application from a third perspective is shown;

[0139] Fig.11 An exploded view of a cooking appliance according to an embodiment of the present application from a fourth perspective is shown;

[0140] Fig.12 A schematic diagram showing the structure of a cooking appliance according to an embodiment of the present application is shown;

[0141] Fig.13 A fifth structural schematic diagram of a cooking appliance according to an embodiment of the present application is shown;

[0142] Fig.14 A schematic structural diagram of a cooking utensil assembly according to an embodiment of the present application is shown.

[0143] in, Figures 1 to 14 The corresponding relationship between the reference numerals and component names in the figure is:

[0144] 10 air curtain assembly, 100 air curtain body, 110 air curtain inlet, 120 air curtain outlet, 130 air curtain flow channel, 140 installation port, 200 heat exchange component, 210 cold end, 220 hot end, 300 first fan, 310 impeller, 320 inlet, 400 air inlet structure, 500 guide part, 510 guide hole, 600 guide rib, 610 first end, 620 second end, 70 cooking utensils, 700 housing assembly, 710 air inlet, 712 first sub-port, 714 second sub-port , 720 air outlet, 730 first opening, 740 second opening, 750 back panel, 760 heat dissipation port, 800 cooking body, 810 cooking cavity, 812 storage port, 820 oil fume duct, 822 the first part of the oil fume duct, 824 the second part of the oil fume duct, 830 air guide slot, 900 second fan, 910 first inlet, 920 second inlet, 930 outlet, 1000 heat dissipation duct, 1100 electrical components, 2 cooking utensil components, 3 stoves, 32 stove heads. DETAILED DESCRIPTION

[0145] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0146] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0147] Refer to the following Figures 1 to 14 According to some embodiments of the present application, the air curtain assembly 10 , the cooking appliance 70 , and the cooking appliance assembly 2 .

[0148] like Figure 1 , Figure 3 , Figure 4 and Fig.13 As shown, an air curtain assembly 10 according to some embodiments of the present application is used for a cooking appliance 70 , and the air curtain assembly 10 includes an air curtain body 100 and a heat exchange element 200 .

[0149] The air curtain body 100 is provided with an air curtain inlet 110 and an air curtain outlet 120 .

[0150] An air curtain flow channel 130 is disposed in the air curtain body 100 .

[0151] The air curtain flow passage 130 connects the air curtain inlet 110 and the air curtain outlet 120 .

[0152] The heat exchange element 200 is disposed on the air curtain body 100 .

[0153] The heat exchange element 200 includes a cold end 210 and a hot end 220 .

[0154] The cold end 210 is used for exchanging heat with the air curtain flow channel 130 .

[0155] The hot end 220 is disposed away from the air curtain flow channel 130 .

[0156] The air curtain assembly 10 provided in the present application includes an air curtain body 100 and a heat exchange element 200 .

[0157] The air curtain body 100 is provided with an air curtain inlet 110 and an air curtain outlet 120 , and an air curtain flow channel 130 is provided inside the air curtain body 100 . The air curtain flow channel 130 is communicated with the air curtain inlet 110 , and the air curtain flow channel 130 is communicated with the air curtain outlet 120 , that is, the air curtain flow channel 130 connects the air curtain inlet 110 and the air curtain outlet 120 .

[0158] The heat exchanger 200 is arranged on the air curtain body 100, and the air curtain body 100 serves as a mounting carrier of the heat exchanger 200, and has the function of mounting and fixing the heat exchanger 200. The heat exchanger 200 includes a cold end 210 and a hot end 220, and the cold end 210 is used to exchange heat with the air curtain flow channel 130 to reduce the temperature of the medium in the air curtain flow channel 130.

[0159] When the cooking appliance 70 is working, the airflow flows into the air curtain channel 130 from the air curtain inlet 110, and the cold end 210 of the heat exchange element 200 can exchange heat with the medium (such as gas and / or gas-liquid mixture) in the air curtain channel 130. The refrigerated airflow flows out of the air curtain assembly 10 and the cooking appliance 70 through the air curtain outlet 120 of the air curtain body 100. The cold air blows on the cook to achieve the effect of air conditioning and refrigeration, which can effectively reduce the temperature around the cook and reduce the stuffiness problem caused by heat radiation to the cook. In this way, the product performance and market competitiveness are greatly improved.

[0160] Optionally, the cooking utensil 70 is provided with a first opening 730 and a second opening 740, the air curtain inlet 110 of the air curtain body 100 is connected to the first opening 730, and the air curtain outlet 120 of the air curtain body 100 is connected to the second opening 740. When the cooking utensil 70 is working, the oil smoke enters the air curtain inlet 110 through the first opening 730, then flows into the air curtain flow channel 130, and flows out of the cooking utensil 70 through the air curtain outlet 120 and the second opening 740 of the air curtain body 100. The air flow flowing out through the air curtain assembly 10 can form an air convection barrier (i.e., an air curtain) between the stove 3 and the cook, and the air curtain can effectively block the heat and smoke of the stove 3 from overflowing, so that the smoke can be effectively sucked into the cooking utensil 70, so as to reduce the temperature and oil smoke concentration around the cook, and concentrate the oil smoke and hot air at the air inlet 710, thereby greatly improving the efficiency of heat and smoke exhaust of the cooking utensil 70.

[0161] It can be understood that the hot end 220 of the heat exchanger 200 is arranged away from the wind curtain flow channel 130, for example, the cold end 210 of the heat exchanger 200 is closer to the wind curtain flow channel 130 than the hot end 220 of the heat exchanger 200. In this way, the influence of the hot end 220 of the heat exchanger 200 on the temperature in the wind curtain flow channel 130 can be reduced, and the heat exchange effect of the heat exchanger 200 can be ensured.

[0162] In some embodiments, optionally, Figure 3 and Figure 4 As shown, the heat exchange element 200 is located on one side of the air curtain body 100 , and the cold end 210 is attached to the outer surface of the air curtain body 100 .

[0163] In this embodiment, the matching structure between the heat exchange element 200 and the air curtain body 100 is further defined.

[0164] The heat exchanger 200 is located on one side of the air curtain body 100, that is, the heat exchanger 200 is located outside the air curtain body 100. The cold end 210 of the heat exchanger 200 is arranged in contact with the outer surface of the air curtain body 100. This arrangement shortens the distance between the cold end 210 of the heat exchanger 200 and the air curtain body 100 based on the fact that the heat exchanger 200 is located on one side of the air curtain body 100, thereby shortening the distance between the cold end 210 of the heat exchanger 200 and the air curtain flow channel 130, so that the cold energy generated by the cold end 210 of the heat exchanger 200 can be transferred to the air curtain flow channel 130 in a timely manner, and can effectively exchange heat with the medium in the air curtain flow channel 130.

[0165] It can be understood that the cold end 210 of the heat exchange element 200 is attached to the outer surface of the wind curtain body 100, and the cold end 210 of the heat exchange element 200 can cool the wall surface of the wind curtain body 100. When the medium in the wind curtain flow channel 130 flows to this place, cold air convection can be realized, thereby achieving the purpose of cooling the medium in the wind curtain flow channel 130, so that the cold air can flow to the cook through the wind curtain outlet 120 of the wind curtain body 100 to achieve the effect of air conditioning and refrigeration.

[0166] In some embodiments, optionally, Fig.13 As shown, the air curtain body 100 is further provided with a mounting opening 140 .

[0167] The installation opening 140 is connected to the air curtain flow passage 130 .

[0168] The cold end 210 of the heat exchange element 200 is plugged into the installation opening 140 .

[0169] In this embodiment, the matching structure between the heat exchange element 200 and the air curtain body 100 is further defined.

[0170] The air curtain body 100 is further provided with a mounting opening 140 , and the mounting opening 140 is communicated with the air curtain flow channel 130 .

[0171] The cold end 210 of the heat exchanger 200 is plugged into the installation opening 140 , for example, at least a portion of the cold end 210 of the heat exchanger 200 extends into the air curtain channel 130 through the installation opening 140 , or for another example, the cold end 210 of the heat exchanger 200 smoothly transitions to the channel wall of the air curtain channel 130 .

[0172] It can be understood that the cold end 210 of the heat exchange element 200 can directly contact the medium in the air curtain channel 130. When the medium in the air curtain channel 130 flows to the cold end 210 of the heat exchange element 200, it can exchange heat with the cold end 210, thereby achieving the purpose of cooling the medium in the air curtain channel 130, so that the cold air can flow to the cook through the air curtain outlet 120 of the air curtain body 100, so as to achieve the effect of air conditioning and refrigeration.

[0173] This arrangement can reduce the volume of the portion of the heat exchange element 200 exposed outside the air curtain body 100, which is beneficial to reducing the volume of the air curtain assembly 10, and further beneficial to reducing the space occupied by the air curtain assembly 10. At the same time, since the cold end 210 of the heat exchange element 200 can directly contact the medium in the air curtain flow channel 130, this is beneficial to improving the refrigeration efficiency of the cold end 210 and improving the performance of the product.

[0174] Optionally, the cold end 210 of the heat exchanger 200 abuts against the wall of the installation opening 140 , and the cold end 210 of the heat exchanger 200 can seal the installation opening 140 to prevent the medium in the air curtain flow channel 130 from leaking through the gap between the installation opening 140 and the cold end 210 .

[0175] Optionally, the air curtain assembly 10 further includes a seal, which is located at the connection between the wall of the installation opening 140 and the cold end 210. The seal is used to seal the connection between the wall of the installation opening 140 and the cold end 210, and can prevent the medium in the air curtain flow channel 130 from leaking through the gap between the installation opening 140 and the cold end 210. The seal includes plastic parts, rubber parts, etc., which are not listed here one by one.

[0176] In some embodiments, optionally, Figure 3 , Figure 4 , Figure 5 and Fig.13 As shown, the air curtain assembly 10 includes a first fan 300 .

[0177] The first fan 300 includes an impeller 310 and an inlet portion 320 .

[0178] The inlet portion 320 and the impeller 310 are both located in the air curtain flow channel 130 .

[0179] The cold end 210 is disposed adjacent to the inlet portion 320 .

[0180] In this embodiment, the air curtain assembly 10 includes a first fan 300 , and defines a matching structure of the first fan 300 , the air curtain body 100 , and the heat exchange element 200 .

[0181] The first fan 300 includes an impeller 310 and an inlet portion 320 . Both the inlet portion 320 and the impeller 310 are located in the air curtain flow channel 130 .

[0182] The first fan 300 is in operation and the impeller 310 rotates to drive the medium in the air curtain flow channel 130 to flow from the air curtain inlet 110 to the air curtain outlet 120 .

[0183] It can be understood that the inlet 320 of the first fan 300 is the high-speed flow area of ​​the wind curtain body 100. By arranging the cold end 210 close to the inlet 320, that is, the installation position of the cold end 210 of the heat exchange element 200 is close to the high-speed flow area of ​​the wind curtain body 100, the high wind speed can play a role in rapid convection cooling, which is beneficial to improving the heat exchange efficiency of the heat exchange element 200 and improving the performance of the product.

[0184] In some embodiments, optionally, Figure 1 and Figure 2 As shown, the air curtain assembly 10 further includes an air inlet structure 400 and an air guide portion 500 .

[0185] The air inlet structure 400 is provided with an air curtain inlet 110 .

[0186] The air guide portion 500 is connected to the air inlet structure 400 .

[0187] The air guide portion 500 is provided with an air curtain outlet 120 .

[0188] The air inlet structure 400 and the air guide portion 500 enclose the air curtain flow channel 130 .

[0189] In this embodiment, the air curtain assembly 10 further includes an air inlet structure 400 and an air guide portion 500 .

[0190] The air inlet structure 400 is provided with an air curtain inlet 110 , the air guide portion 500 is provided with an air curtain outlet 120 , and the air inlet structure 400 and the air guide portion 500 enclose an air curtain flow channel 130 .

[0191] The airflow flows into the air inlet structure 400 through the air curtain inlet 110 , flows toward the air curtain outlet 120 through the air guide portion 500 , and flows out of the air curtain assembly 10 through the air curtain outlet 120 .

[0192] This arrangement defines the flow path of the airflow within the air curtain assembly 10 and provides structural support for effectively forming the air curtain.

[0193] In some embodiments, optionally, Figure 1 , Figure 3 and Figure 5 As shown, at least one guide hole 510 is provided in the portion of the guide portion 500 between the impeller 310 and the air curtain outlet 120 .

[0194] The air guide hole 510 is connected to the air curtain flow channel 130 .

[0195] In this embodiment, the structure of the air guide portion 500 is further defined, so that the portion of the air guide portion 500 between the impeller 310 and the air curtain outlet 120 is provided with at least one air guide hole 510 , and the air guide hole 510 is connected to the air curtain flow channel 130 .

[0196] Optionally, at least one air guide hole 510 is provided on the top wall of the portion of the air guide portion 500 located between the housing assembly 700 of the cooking appliance 70 and the air curtain outlet 120 .

[0197] That is to say, a part of the airflow in the wind curtain assembly 10 will flow out of the wind curtain assembly 10 through the guide holes 510. In other words, a part of the airflow in the wind curtain flow channel 130 will flow out through the guide holes 510. The airflow flowing out through the guide holes 510 can dissipate heat for the cook, reduce the ambient temperature of the cook, and help improve the performance of the product.

[0198] Optionally, when there are multiple flow guiding holes 510 , the multiple flow guiding holes 510 are arranged at intervals, and the multiple flow guiding holes 510 are arranged linearly. The extension direction of the multiple flow guiding holes 510 is perpendicular to the height direction of the cooking appliance 70 .

[0199] Optionally, the air curtain assembly 10 further includes at least one reinforcing plate, which is connected to the outer surface of the air guide portion 500, and a reinforcing plate is provided between any two adjacent air guide holes 510. The reinforcing plate has the function of enhancing the structural strength of the air guide portion 500, can prevent the air curtain assembly 10 from deforming during operation, and can ensure the flow path of the airflow.

[0200] In some embodiments, optionally, the air guide portion 500 is rotatably connected to the air inlet structure 400 .

[0201] In this embodiment, the matching structure of the air guide 500 and the air inlet structure 400 is further defined, so that the air guide 500 is rotatably connected with the air inlet structure 400, that is, the air guide 500 can be rotated relative to the air inlet structure 400. In other words, the setting position of the air curtain outlet 120 of the air guide 500 can be adjusted. This setting makes the installation height of the cooking utensil 70 unrestricted, and the position of the air guide 500 relative to the housing assembly 700 of the cooking utensil 70 can be adjusted in a targeted manner according to the product model and the matching position of the cooking utensil 70 and the stove 3, so as to ensure the efficiency of heat and smoke exhaust of the cooking utensil 70.

[0202] This setting improves the adaptability of the product, can meet various installation configuration requirements, and improves the product's performance.

[0203] Optionally, the air guide 500 is directly rotatably connected to the air inlet structure 400 .

[0204] Optionally, the air guide portion 500 is rotatably connected to the air inlet structure 400 via other structures.

[0205] In some embodiments, optionally, Figure 2 As shown, the air curtain body 100 further includes guide ribs 600 .

[0206] The guide rib 600 is disposed at the air curtain outlet 120 .

[0207] The guide rib 600 has a first end 610 and a second end 620 that are oppositely disposed.

[0208] The first end 610 and the second end 620 are both connected to the outlet wall of the air curtain outlet 120 .

[0209] Furthermore, a distance from the first end 610 to the middle of the air curtain outlet 120 is smaller than a distance from the second end 620 to the middle of the air curtain outlet 120 .

[0210] In this embodiment, the structure of the air curtain assembly 10 is further defined such that the air curtain assembly 10 further includes guide ribs 600 .

[0211] The guide rib 600 has a first end 610 and a second end 620, and the first end 610 of the guide rib 600 is arranged opposite to the second end 620 of the guide rib 600. The first end 610 of the guide rib 600 and the second end 620 of the guide rib 600 are both connected to the wall of the air curtain outlet 120.

[0212] The distance from the first end 610 to the middle of the air curtain outlet 120 is smaller than the distance from the second end 620 to the middle of the air curtain outlet 120 , that is, the guide rib 600 is inclined.

[0213] The outlet wall of the air curtain outlet 120 includes a first wall surface and a second wall surface, the first wall surface and the second wall surface are arranged opposite to each other, the first end 610 of the guide rib 600 is connected to the first wall surface, and the second end 620 of the guide rib 600 is connected to the second wall surface.

[0214] The guide rib 600 has the function of guiding the airflow out of the air curtain assembly 10 in the width direction (perpendicular to the direction from the first wall to the second wall, that is, Fig.11 and Fig.12 The air curtain is radiated from at least one side of the first direction in the range 3 to achieve wide coverage of the air curtain. In this way, it is conducive to achieving full coverage of the stove 3 and effectively forming an air curtain between the stove 3 and the cook.

[0215] In some embodiments, optionally, Figure 2 As shown, there are multiple guide ribs 600 .

[0216] A portion of the plurality of guide ribs 600 is located on a first side of the middle portion of the air curtain outlet 120 .

[0217] Another portion of the plurality of guide ribs 600 is located on a second side of the middle portion of the air curtain outlet 120 .

[0218] In this embodiment, the number of the guide ribs 600 and the distribution positions of the guide ribs 600 are further limited.

[0219] There are multiple guide ribs 600 , some of which are located on a first side of the middle of the air curtain outlet 120 , and another part of which is located on a second side of the middle of the air curtain outlet 120 .

[0220] For example, the guide rib 600 located on the first side of the middle of the wind curtain outlet 120 is recorded as the first guide rib 600, and the guide rib 600 located on the second side of the middle of the wind curtain outlet 120 is recorded as the second guide rib 600. The first guide rib 600 and the second guide rib 600 are arranged in an "eight" shape. It can also be said that the distance from the first end 610 of the first guide rib 600 to the first end 610 of the second guide rib 600 is smaller than the distance from the second end 620 of the first guide rib 600 to the second end 620 of the second guide rib 600. The multiple guide ribs 600 located on the opposite sides of the middle of the wind curtain outlet 120 can effectively guide the airflow, so that the airflow flowing out of the wind curtain assembly 10 radiates to both sides in the width direction, thereby achieving wide coverage of the wind curtain.

[0221] In some embodiments, optionally, Figure 1 As shown, the inner surface of the air inlet structure 400 encloses a portion of the air curtain flow channel 130 .

[0222] From the air curtain inlet 110 to the air curtain outlet 120 , the flow cross-sectional area of ​​the air inlet structure 400 gradually increases.

[0223] In this embodiment, the structure of the air curtain assembly 10 is further defined such that the inner surface of the air inlet structure 400 encloses a portion of the air curtain outlet channel 130 .

[0224] It is also defined that the flow cross-sectional area of ​​the air inlet structure 400 gradually increases along the direction from the air curtain inlet 110 to the air curtain outlet 120 .

[0225] The air inlet structure 400 is sectioned along a direction perpendicular to the extension direction of the air inlet structure 400 (or in other words, along a direction perpendicular to the wind curtain inlet 110 to the wind curtain outlet 120). In the section, the area enclosed by the contour line of the inner surface of the air inlet structure 400 is the flow cross-sectional area of ​​the air inlet structure 400.

[0226] This arrangement can realize air supply in a fan-shaped area and increase the radiation area of ​​the airflow, so that the airflow can be effectively guided, which is conducive to the airflow flowing out of the air curtain assembly 10 radiating to both sides in the width direction, thereby achieving wide coverage of the air curtain. In this way, it is conducive to achieving full coverage of the stove 3 and effectively forming an air curtain between the stove 3 and the cook.

[0227] like Figure 3 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 and Fig.12 As shown, a cooking appliance 70 according to some other embodiments of the present application includes: an air curtain assembly 10 as in any of the above embodiments.

[0228] The cooking appliance 70 provided by the present invention includes an air curtain assembly 10 .

[0229] The air curtain assembly 10 includes an air curtain body 100 and a heat exchange element 200 .

[0230] The air curtain body 100 is provided with an air curtain inlet 110 and an air curtain outlet 120 , and an air curtain flow channel 130 is provided inside the air curtain body 100 . The air curtain flow channel 130 is communicated with the air curtain inlet 110 , and the air curtain flow channel 130 is communicated with the air curtain outlet 120 , that is, the air curtain flow channel 130 connects the air curtain inlet 110 and the air curtain outlet 120 .

[0231] The heat exchanger 200 is arranged on the air curtain body 100, and the air curtain body 100 serves as a mounting carrier of the heat exchanger 200, and has the function of mounting and fixing the heat exchanger 200. The heat exchanger 200 includes a cold end 210 and a hot end 220, and the cold end 210 is used to exchange heat with the air curtain flow channel 130 to reduce the temperature of the medium in the air curtain flow channel 130.

[0232] When the cooking appliance 70 is working, the airflow flows into the air curtain channel 130 from the air curtain inlet 110, and the cold end 210 of the heat exchange element 200 can exchange heat with the medium (such as gas and / or gas-liquid mixture) in the air curtain channel 130. The refrigerated airflow flows out of the air curtain assembly 10 and the cooking appliance 70 through the air curtain outlet 120 of the air curtain body 100. The cold air blows on the cook to achieve the effect of air conditioning and refrigeration, which can effectively reduce the temperature around the cook and reduce the stuffiness problem caused by heat radiation to the cook. In this way, the product performance and market competitiveness are greatly improved.

[0233] Optionally, the cooking utensil 70 is provided with a first opening 730 and a second opening 740, the air curtain inlet 110 of the air curtain body 100 is connected to the first opening 730, and the air curtain outlet 120 of the air curtain body 100 is connected to the second opening 740. When the cooking utensil 70 is working, the oil smoke enters the air curtain inlet 110 through the first opening 730, then flows into the air curtain flow channel 130, and flows out of the cooking utensil 70 through the air curtain outlet 120 and the second opening 740 of the air curtain body 100. The air flow flowing out through the air curtain assembly 10 can form an air convection barrier (i.e., an air curtain) between the stove 3 and the cook, and the air curtain can effectively block the heat and smoke of the stove 3 from overflowing, so that the smoke can be effectively sucked into the cooking utensil 70, so as to reduce the temperature and oil smoke concentration around the cook, and concentrate the oil smoke and hot air at the air inlet 710, thereby greatly improving the efficiency of heat and smoke exhaust of the cooking utensil 70.

[0234] It can be understood that the hot end 220 of the heat exchanger 200 is arranged away from the wind curtain flow channel 130, for example, the cold end 210 of the heat exchanger 200 is closer to the wind curtain flow channel 130 than the hot end 220 of the heat exchanger 200. In this way, the influence of the hot end 220 of the heat exchanger 200 on the temperature in the wind curtain flow channel 130 can be reduced, and the heat exchange effect of the heat exchanger 200 can be ensured.

[0235] In some embodiments, optionally, Figure 3 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 and Fig.12 As shown, the cooking appliance 70 further includes a housing assembly 700 and a cooking body 800 .

[0236] The housing assembly 700 is provided with an air inlet 710 , an air outlet 720 , a first opening 730 and a second opening 740 .

[0237] The housing assembly 700 has a back plate 750 .

[0238] The cooking body 800 is disposed in the housing assembly 700 .

[0239] The cooking body 800 is provided with a cooking cavity 810 .

[0240] The outer surface of the cooking body 800 and the inner surface of the housing assembly 700 enclose an oil fume air duct 820 .

[0241] The oil fume air duct 820 is connected to the air inlet 710 and the air outlet 720 .

[0242] The distance from the air inlet 710 to the back plate 750 is smaller than the distance from the second opening 740 to the back plate 750 .

[0243] The air curtain assembly 10 is disposed between the housing assembly 700 and the cooking body 800 .

[0244] The air curtain inlet 110 is connected to the first opening 730 .

[0245] The air curtain outlet 120 is connected to the second opening 740 .

[0246] A cooking appliance 70 provided in the present application includes a housing assembly 700 , a cooking body 800 and an air curtain assembly 10 .

[0247] The cooking body 800 is provided with a cooking cavity 810, and food materials can be placed in the cooking cavity 810 and cooked in the cooking cavity 810 to meet usage requirements such as heating food materials, baking food materials, and micro-steaming and baking food materials.

[0248] The cooking body 800 is disposed in the housing assembly 700, that is, the housing assembly 700 serves as a mounting carrier of the cooking body 800 and has the function of mounting and fixing the cooking body 800. The housing assembly 700 has a back plate 750, and optionally, a portion of the outer surface of the housing assembly 700 is the back plate 750.

[0249] Among them, the outer surface of the cooking body 800 and the inner surface of the outer shell assembly 700 enclose an oil fume duct 820, and the air curtain assembly 10 is arranged between the outer shell assembly 700 and the cooking body 800. The oil fume duct 820 and the air curtain assembly 10 are two relatively independent structures, and the air curtain assembly 10 is located on one side of the oil fume duct 820.

[0250] The housing assembly 700 is provided with an air inlet 710 , an air outlet 720 , a first opening 730 and a second opening 740 . The oil fume air duct 820 connects the air inlet 710 and the air outlet 720 , the air curtain inlet 110 is connected to the first opening 730 , and the air curtain outlet 120 is connected to the second opening 740 .

[0251] It is understandable that when the cooking appliance 70 is working, the oil smoke enters the oil smoke air duct 820 through the air inlet 710 and is discharged from the housing assembly 700 through the air outlet 720. The air curtain assembly 10 works so that the air flow enters the air curtain assembly 10 from the first opening 730 and flows out of the housing assembly 700 through the second opening 740 through the air curtain assembly 10. Since the oil smoke air duct 820 and the air curtain body 100 are independent of each other, the air flow in the oil smoke air duct 820 will not intersect with the air flow in the air curtain body 100, and the effective flow of each air flow can be ensured.

[0252] The cooking utensil 70 is used in the cooking utensil assembly 2, and the cooking utensil assembly 2 includes a stove 3. The cooking utensil 70 is located above the stove 3. The distance from the air inlet 710 to the back plate 750 is smaller than the distance from the second opening 740 to the back plate 750. That is, the air inlet 710 is closer to the back plate 750 than the second opening 740. In other words, the second opening 740 is located at the front end of the air inlet 710. It can also be said that the second opening 740 is closer to the cook than the air inlet 710. In this way, the air flow flowing out through the air curtain assembly 10 can form an air convection barrier (i.e., an air curtain) between the stove 3 and the cook. The air curtain can effectively block the heat and smoke from the stove 3 from escaping, so that the smoke can be effectively sucked into the oil fume duct 820 through the air inlet 710, so as to reduce the temperature and oil fume concentration around the cook, and concentrate the oil fume and hot air at the air inlet 710, thereby greatly improving the heat and smoke exhaust efficiency of the cooking appliance 70.

[0253] The present application provides an air curtain assembly 10 and limits the matching structure of the air curtain assembly 10 and the oil fume duct 820. Without changing the external dimensions of the cooking utensil 70, it is possible to effectively block the heat and smoke from the stove 3, thereby improving the exhaust efficiency of the cooking utensil 70 and achieving the effect of effectively locking in heat and isolating smoke, so that the hot air and oil fume are shielded between the stove head 32 of the stove 3 and the cooking utensil 70, thereby improving the product's performance and market competitiveness.

[0254] In some embodiments, optionally, the hot end 220 of the heat exchange element 200 is located in the oil fume duct 820 .

[0255] Alternatively, the hot end 220 of the heat exchange element 200 is located at one side of the oil fume duct 820 , and the hot end 220 of the heat exchange element 200 is disposed adjacent to the outer surface of the oil fume duct 820 .

[0256] In this embodiment, the matching structure of the heat exchange element 200 and the oil fume duct 820 is further defined so that the hot end 220 of the heat exchange element 200 is located in the oil fume duct 820 .

[0257] In this way, when the heat exchange element 200 is working, the heat generated by the hot end 220 of the heat exchange element 200 can be dissipated through the oil fume duct 820 to ensure the temperature at the hot end 220 of the heat exchange element 200, providing structural support for ensuring the heat exchange efficiency of the heat exchange element 200.

[0258] Alternatively, the matching structure of the heat exchange element 200 and the oil fume duct 820 is further limited so that the hot end 220 of the heat exchange element 200 is located on one side of the oil fume duct 820 and the hot end 220 of the heat exchange element 200 is arranged adjacent to the outer surface of the oil fume duct 820 .

[0259] When the heat exchanger 200 is working, the heat generated by the hot end 220 of the heat exchanger 200 can be exchanged with the oil fume duct 820 to reduce the temperature at the hot end 220 of the heat exchanger 200. It can be understood that the hot end 220 of the heat exchanger 200 can exchange heat with the smoke in the oil fume duct 820 to achieve the purpose of reducing the temperature at the hot end 220 of the heat exchanger 200.

[0260] In some embodiments, optionally, Figure 5 As shown, at least a portion of the air guide portion 500 of the air curtain body 100 extends out of the housing assembly 700 through the second opening 740 .

[0261] The portion of the air guide portion 500 located outside the housing assembly 700 is provided with an air curtain outlet 120 and an air guide hole 510 .

[0262] In this embodiment, the matching structure of the air curtain assembly 10 and the housing assembly 700 is further defined.

[0263] At least a portion of the air guide portion 500 extends out of the housing assembly 700 through the second opening 740 , that is, at least a portion of the air guide portion 500 is located outside the housing assembly 700 .

[0264] The portion of the air guide portion 500 located outside the housing assembly 700 is provided with an air curtain outlet 120 , through which the airflow is discharged from the housing assembly 700 and forms an air curtain.

[0265] It is understandable that the guide portion 500 has a guiding function and can adjust the flow direction of the airflow flowing out of the housing assembly 700, providing structural support to ensure that the airflow flowing out through the air curtain assembly 10 can form an air convection barrier between the stove 3 and the cook.

[0266] In addition, at least a portion of the guide portion 500 extends out of the housing assembly 700 through the second opening 740. This arrangement can reduce the processing accuracy requirements for the positional relationship between the second opening 740 and the air inlet 710. The guide portion 500 can further adjust the direction of the outflowing airflow based on the position of the second opening 740.

[0267] The portion of the guide portion 500 located outside the outer shell assembly 700 is provided with a guide hole 510, and a portion of the airflow in the wind curtain assembly 10 will flow out of the outer shell assembly 700 through the guide hole 510. In other words, a portion of the medium in the wind curtain flow channel 130 flows out through the guide hole 510. The airflow flowing out through the guide hole 510 can dissipate heat for the cook, reduce the ambient temperature of the cook, and is beneficial to improving the performance of the product.

[0268] In some embodiments, optionally, Figure 5 As shown, the portion of the air guide portion 500 located outside the housing assembly 700 forms an angle a with the bottom of the housing assembly 700 , wherein 30°≤a≤70°.

[0269] In this embodiment, the extending direction of the air guide portion 500 is further defined.

[0270] The portion of the air guide portion 500 located outside the housing assembly 700 forms an angle a with the bottom of the housing assembly 700 , and the angle a satisfies: 30°≤a≤70°.

[0271] This arrangement combined with the arrangement position of the second opening 740 can adjust the formation position of the air curtain, so that the suction direction of the oil smoke can be adjusted, so that the oil smoke is not easily blown onto the cook, and the positional relationship between the air curtain, the stove 3 and the cook can be ensured, providing effective and reliable structural support for improving the efficiency of oil smoke extraction.

[0272] Optionally, the angle between the portion of the guide portion 500 located outside the shell assembly 700 and the bottom of the shell assembly 700 is a=40°, the angle between the portion of the guide portion 500 located outside the shell assembly 700 and the bottom of the shell assembly 700 is a=50°, the angle between the portion of the guide portion 500 located outside the shell assembly 700 and the bottom of the shell assembly 700 is a=60°, and so on, which are not listed here one by one.

[0273] Optionally, at least one air guide hole 510 is provided on the top wall of the portion of the air guide portion 500 located between the housing assembly 700 and the air curtain outlet 120 .

[0274] In some embodiments, optionally, Fig.11 and Fig.12 As shown, the cooking cavity 810 has a storage opening 812 .

[0275] The guide portion 500 extends along the wall of the storage opening 812 from the first side of the cooking cavity 810 to the second side of the cooking cavity 810 .

[0276] The first side of the cooking cavity 810 is disposed opposite to the second side of the cooking cavity 810 , and an extension direction of the air guide portion 500 is perpendicular to a height direction of the housing assembly 700 .

[0277] In this embodiment, the extending direction of the air guide portion 500 is further defined.

[0278] The cooking cavity 810 has a storage opening 812, and food is placed in the cooking cavity 810 through the storage opening 812. It is understandable that the cooking device 70 includes an oven door, which is openably connected to the cooking body 800, and the oven door is used to open or close the storage opening 812.

[0279] The air guide 500 extends along the wall of the storage opening 812, and extends from the first side of the cooking cavity 810 to the second side of the cooking cavity 810. The first side of the cooking cavity 810 and the second side of the cooking cavity 810 are arranged opposite to each other, and the extension direction of the air guide 500 is perpendicular to the height direction of the housing assembly 700. In other words, the air guide 500 has a larger size in the direction of the first side of the cooking cavity 810 and the second side of the cooking cavity 810, so that the coverage area of ​​the air curtain formed by the air curtain assembly 10 on the stove 3 can be increased, which is conducive to increasing the diffusion area of ​​the air flow of the air curtain assembly 10 in the direction of the first side of the cooking cavity 810 and the second side of the cooking cavity 810, thereby achieving wide coverage of the air curtain, which is conducive to achieving full coverage of the stove 3 and effectively forming an air curtain between the stove 3 and the cook.

[0280] Optionally, the air curtain outlet 120 of the guide portion 500 extends from the first side of the cooking cavity 810 to the second side of the cooking cavity 810 along the mouth wall of the storage port 812, the first side of the cooking cavity 810 is arranged opposite to the second side of the cooking cavity 810, and the extension direction of the air curtain outlet 120 is perpendicular to the height direction of the outer shell assembly 700.

[0281] In some embodiments, optionally, the air inlet 710 and the first opening 730 are located on different sides of the cooking cavity 810 .

[0282] In this embodiment, the positional relationship between the air inlet 710 and the first opening 730 is further defined, so that the first opening 730 and the air inlet 710 are located on different sides of the cooking cavity 810. For example, the air inlet 710 and the first opening 730 are located on two adjacent sides of the cooking cavity 810. For example, the air inlet 710 and the first opening 730 are located on two opposite sides of the cooking cavity 810.

[0283] By limiting the positional relationship between the air inlet 710 and the first opening 730, the air inlet 710 and the first opening 730 are located on different sides of the cooking cavity 810. This helps reduce the oil smoke that enters the air curtain assembly 10 through the first opening 730, and helps reduce the oil stains deposited in the air curtain assembly 10. This helps reduce the frequency of cleaning the air curtain assembly 10 and can ensure the air flow passing through the air curtain assembly 10 per unit time.

[0284] In some embodiments, optionally, at least one of the top of the housing assembly 700 and the side of the housing assembly 700 is provided with an air outlet 720 , and at least one of the bottom and the side of the housing assembly 700 is provided with a second opening 740 .

[0285] In this embodiment, the locations of the air outlet 720 and the second opening 740 are further defined.

[0286] Optionally, at least one of the top and the side of the housing assembly 700 is provided with an air outlet 720. That is, the top of the housing assembly 700 is provided with an air outlet 720, or the side of the housing assembly 700 is provided with an air outlet 720, or a part of the air outlet 720 is provided at the top of the housing assembly 700, and the other part of the air outlet 720 is provided at the side of the housing assembly 700.

[0287] Optionally, at least one of the bottom and the side of the housing assembly 700 is provided with a second opening 740. That is, the bottom of the housing assembly 700 is provided with the second opening 740, or the side of the housing assembly 700 is provided with the second opening 740, or a part of the second opening 740 is provided at the bottom of the housing assembly 700, and the other part of the second opening 740 is provided at the side of the housing assembly 700.

[0288] In some embodiments, optionally, Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 and Fig.11 As shown, the air curtain assembly 10 is located at the bottom of the cooking cavity 810 .

[0289] The air inlet 710 includes a first sub-port 712 and a second sub-port 714 .

[0290] The first portion 822 of the oil fume duct extends from the first sub-opening 712 through the first side of the cooking cavity 810 to the air outlet 720 , and the second portion 824 of the oil fume duct extends from the second sub-opening 714 through the second side of the cooking cavity 810 to the air outlet 720 .

[0291] In this embodiment, the matching structure of the oil fume air duct 820 and the air curtain assembly 10 is further defined.

[0292] The air curtain assembly 10 is located at the bottom of the cooking cavity 810 .

[0293] The air inlet 710 includes a first sub-port 712 and a second sub-port 714. The first sub-port 712 and the second sub-port 714 are arranged at intervals.

[0294] The oil fume duct 820 includes a first portion and a second portion. The first portion 822 of the oil fume duct extends from the first sub-port 712 through the first side of the cooking cavity 810 to the air outlet 720, and the second portion 824 of the oil fume duct extends from the second sub-port 714 through the second side of the cooking cavity 810 to the air outlet 720. This arrangement allows the heat and oil fume at the stove 3 to enter the oil fume duct 820 through the first sub-port 712 and the second sub-port 714 at different positions. This arrangement can draw airflow into the oil fume duct 820 from multiple directions and multiple angles, which is beneficial to reducing the temperature around the cook and the oil fume concentration, and is beneficial to improving the efficiency of heat and smoke exhaust of the cooking device 70.

[0295] It is understandable that the oil fume duct 820 is divided into at least two parts, namely, a first part 822 and a second part of the oil fume duct. The flow path of the airflow of the first part 822 of the oil fume duct is different from the flow path of the airflow of the second part 824 of the oil fume duct, so that the internal space of the cooking device 70 can be effectively utilized, and the oil fume extraction efficiency can be ensured without changing the layout position of other components.

[0296] It is understandable that the inflow ends of the first portion 822 of the oil fume duct and the second portion 824 of the oil fume duct are different, but the outflow ends (ie, the air outlet 720) of the first portion 822 of the oil fume duct and the second portion 824 of the oil fume duct are the same.

[0297] Understandably, Figure 3 , Figure 6 and Figure 7 The arrows in FIG. 8 indicate the flow path of the air flow.

[0298] In some embodiments, optionally, Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 and Fig.11 As shown, the cooking appliance 70 further includes a second fan 900 .

[0299] The second fan 900 is disposed in the oil fume air duct 820 .

[0300] The second fan 900 has a first inlet 910 , a second inlet 920 , and an outlet 930 .

[0301] The first portion 822 of the oil fume air duct is in communication with the first inlet 910 .

[0302] The second portion 824 of the oil fume air duct is in communication with the second inlet 920 .

[0303] The outlet 930 is connected to the air outlet 720 .

[0304] In this embodiment, the structure of the cooking appliance 70 is further limited so that the cooking appliance 70 further includes a second fan 900 , and the second fan 900 is disposed in the oil fume duct 820 .

[0305] The second fan 900 has a first inlet 910 , a second inlet 920 , and an outlet 930 . The first inlet 910 is in communication with the outlet 930 , and the second inlet 920 is in communication with the outlet 930 .

[0306] The first portion 822 of the oil fume duct is communicated with the first inlet 910, the second portion 824 of the oil fume duct is communicated with the second inlet 920, and the outlet 930 is communicated with the air outlet 720. In this way, the first portion 822 of the oil fume duct extends from the first sub-port 712 through the first side of the cooking cavity 810 to the air outlet 720, and the second portion 824 of the oil fume duct extends from the second sub-port 714 through the second side of the cooking cavity 810 to the air outlet 720.

[0307] It can be understood that the second fan 900 can generate negative pressure at the air inlet 710 when it is working, so as to suck the hot air and oil smoke from the stove 3 from the air inlet 710, and enter the first inlet 910 and the second inlet 920 of the second fan 900 through the oil smoke duct 820 located on both sides of the cooking cavity 810. The hot air and oil smoke will be pressurized and accelerated when passing through the second fan 900, and flow to the air outlet 720 through the outlet 930 of the second fan 900, and then be discharged from the cooking appliance 70.

[0308] In some embodiments, optionally, Figure 6 , Figure 8 and Fig.10 As shown, the cooking body 800 is also provided with an air guide groove 830 .

[0309] The air guide groove 830 and the housing assembly 700 enclose a portion of the oil fume outlet air duct 820 , and the air guide groove 830 is connected between the outlet 930 and the air outlet 720 .

[0310] In this embodiment, the structure of the cooking body 800 is further limited, so that the cooking body 800 is also provided with an air guide groove 830, and the air guide groove 830 and the housing assembly 700 enclose a part of the oil smoke air duct 820. The air guide groove 830 has a guiding function, so that the airflow blown out of the outlet 930 of the second fan 900 is effectively guided to the air outlet 720 by the air guide groove 830. In other words, the air guide groove 830 and the housing assembly 700 cooperate to define the flow path of the airflow, avoid the situation where part of the airflow deviates from the air outlet 720, and provide effective and reliable structural support to ensure the oil smoke extraction efficiency of the cooking appliance 70.

[0311] In addition, the structural setting of the air guide groove 830 can prevent the oil fume duct 820 from flowing into other air ducts of the cooking appliance 70, thereby ensuring the stability of the flow of oil fume and hot air and preventing the oil fume and hot air from flowing to other positions of the cooking appliance 70.

[0312] In some embodiments, optionally, Figure 7 As shown, a heat dissipation duct 1000 is enclosed between the outer surface of the cooking body 800 and the inner surface of the housing assembly 700 .

[0313] The housing assembly 700 is further provided with a heat dissipation vent 760 .

[0314] The heat dissipation port 760 is connected to the heat dissipation duct 1000 .

[0315] The cooking appliance 70 further includes an electrical component 1100 , and the electrical component 1100 is disposed in the heat dissipation duct 1000 .

[0316] In this embodiment, the structure of the cooking utensil 70 is further defined, so that a heat dissipation duct 1000 is enclosed between the outer surface of the cooking body 800 and the inner surface of the housing assembly 700, and the housing assembly 700 is further provided with a heat dissipation port 760, which is connected to the heat dissipation duct 1000. The heat dissipation duct 1000 is used to accommodate the electrical component 1100 of the cooking utensil 70, and the heat dissipation duct 1000 is used to dissipate heat from the electrical component 1100. The temperature at the electrical component 1100 can be ensured, which is conducive to reducing the temperature rise of the electrical component 1100 and extending the service life of the electrical component 1100.

[0317] It can be understood that the outer surface of the cooking body 800 and the inner surface of the housing assembly 700 enclose an oil fume duct 820 and a heat dissipation duct 1000. Any two of the oil fume duct 820, the air curtain assembly 10 and the heat dissipation duct 1000 are independent structures, and the airflows in any two of them will not be interfered.

[0318] In some embodiments, optionally, the housing assembly 700 includes a chassis, the chassis is located at the bottom of the cooking body 800, the air curtain assembly 10 is detachably connected to the chassis, or the air curtain assembly 10 is integrally formed with the chassis; the electrical device 1100 includes at least a microwave generator.

[0319] In this embodiment, the housing assembly 700 is further defined and further includes a bottom plate, which is located at the bottom of the cooking body 800 .

[0320] The air curtain assembly 10 is detachably connected to the chassis, or the air curtain assembly 10 is formed integrally with the chassis. That is, the chassis serves as an installation carrier of the air curtain assembly 10 and has the function of installing and fixing the air curtain assembly 10.

[0321] When the air curtain assembly 10 is detachably connected to the chassis, the connection method between the air curtain assembly 10 and the chassis includes any one of the following or a combination thereof: screw connection, riveting, magnetic connection and plug-in connection. This arrangement ensures the reliability of the connection between the air curtain assembly 10 and the chassis while facilitating the cleaning and maintenance of the air curtain assembly 10 and the chassis and reducing the possibility of bacterial growth. That is, the air curtain assembly 10 can be separated from the chassis or assembled with the chassis according to actual use needs. This arrangement simplifies the assembly structure of the cooking utensil 70, simplifies the disassembly and assembly process, reduces the difficulty of disassembly and assembly of the cooking utensil 70, and facilitates the cleaning of the cooking utensil 70 and subsequent repair and maintenance.

[0322] When the air curtain assembly 10 is formed integrally with the chassis, the structural setting simplifies the molding process of the air curtain assembly 10 and the chassis because the assembly process of the air curtain assembly 10 and the chassis is omitted, which is conducive to improving the processing efficiency of the product. In addition, the air curtain assembly 10 and the chassis are formed integrally to ensure the dimensional accuracy of the product.

[0323] The type of the electric device 1100 is defined, for example, the electric device 1100 at least includes a microwave generator.

[0324] The electrical device 1100 further includes any one of the following or a combination thereof: a transformer, a frequency converter, a cooling fan, a cooling motor, a turntable motor, a high-voltage variable capacitance, a magnetron, and a filter board.

[0325] like Fig.14As shown, according to some further embodiments of the present application, a cooking utensil assembly 2 includes: a stove 3; and a cooking utensil 70 as in any of the above embodiments, the cooking utensil 70 is arranged at intervals on the top of the stove 3, and the air inlet 710 of the cooking utensil 70 is set toward the stove 3.

[0326] The cooking utensil assembly 2 provided by the present invention includes a cooking utensil 70 .

[0327] The cooking appliance 70 includes the air curtain assembly 10 .

[0328] The air curtain assembly 10 includes an air curtain body 100 and a heat exchange element 200 .

[0329] The air curtain body 100 is provided with an air curtain inlet 110 and an air curtain outlet 120 , and an air curtain flow channel 130 is provided inside the air curtain body 100 . The air curtain flow channel 130 is communicated with the air curtain inlet 110 , and the air curtain flow channel 130 is communicated with the air curtain outlet 120 , that is, the air curtain flow channel 130 connects the air curtain inlet 110 and the air curtain outlet 120 .

[0330] The heat exchanger 200 is arranged on the air curtain body 100, and the air curtain body 100 serves as a mounting carrier of the heat exchanger 200, and has the function of mounting and fixing the heat exchanger 200. The heat exchanger 200 includes a cold end 210 and a hot end 220, and the cold end 210 is used to exchange heat with the air curtain flow channel 130 to reduce the temperature of the medium in the air curtain flow channel 130.

[0331] When the cooking appliance 70 is working, the airflow flows into the air curtain channel 130 from the air curtain inlet 110, and the cold end 210 of the heat exchange element 200 can exchange heat with the medium (such as gas and / or gas-liquid mixture) in the air curtain channel 130. The refrigerated airflow flows out of the air curtain assembly 10 and the cooking appliance 70 through the air curtain outlet 120 of the air curtain body 100. The cold air blows on the cook to achieve the effect of air conditioning and refrigeration, which can effectively reduce the temperature around the cook and reduce the stuffiness problem caused by heat radiation to the cook. In this way, the product performance and market competitiveness are greatly improved.

[0332] Optionally, the cooking utensil 70 is provided with a first opening 730 and a second opening 740, the air curtain inlet 110 of the air curtain body 100 is connected to the first opening 730, and the air curtain outlet 120 of the air curtain body 100 is connected to the second opening 740. When the cooking utensil 70 is working, the oil smoke enters the air curtain inlet 110 through the first opening 730, then flows into the air curtain flow channel 130, and flows out of the cooking utensil 70 through the air curtain outlet 120 and the second opening 740 of the air curtain body 100. The air flow flowing out through the air curtain assembly 10 can form an air convection barrier (i.e., an air curtain) between the stove 3 and the cook, and the air curtain can effectively block the heat and smoke of the stove 3 from overflowing, so that the smoke can be effectively sucked into the cooking utensil 70, so as to reduce the temperature and oil smoke concentration around the cook, and concentrate the oil smoke and hot air at the air inlet 710, thereby greatly improving the efficiency of heat and smoke exhaust of the cooking utensil 70.

[0333] It can be understood that the hot end 220 of the heat exchanger 200 is arranged away from the wind curtain flow channel 130, for example, the cold end 210 of the heat exchanger 200 is closer to the wind curtain flow channel 130 than the hot end 220 of the heat exchanger 200. In this way, the influence of the hot end 220 of the heat exchanger 200 on the temperature in the wind curtain flow channel 130 can be reduced, and the heat exchange effect of the heat exchanger 200 can be ensured.

[0334] Optionally, the present application cools the metal wall of the cross-flow fan by attaching a heat exchange element 200 (e.g., a semiconductor refrigeration patch) to the first fan 300 (e.g., a cross-flow fan) of the wind curtain body 100. The medium in the wind curtain flow channel 130 passes through the wall to achieve cold air convection. The cooled air is discharged through the wind curtain outlet 120, and the cold air blows on the cook to achieve an air-conditioning cooling effect.

[0335] Through simulation analysis, it is determined that when the air temperature at the air curtain outlet 120 drops from 33°C to 29°C (i.e., drops by 4°C), the temperature around the cook will drop by 1°C to 2.5°C. The diversion holes 510 of the diversion part 500 divert the air to the upper body of the user, and the cool breeze feels obvious. As the cooling effect of the semiconductor cooling patch improves, the cool feeling of the air curtain will be further improved.

[0336] like Figure 1 As shown, a group of semiconductor cooling patches are fixed to the outer metal wall of the air curtain body 100 (the metal wall is arranged opposite to the cross-flow fan). The semiconductor cooling patches are installed as much as possible on the outer wall of the area where the air curtain flows at high speed, which is conducive to improving the cooling efficiency of the semiconductor cooling patches. The heat generated by the semiconductor cooling patches is dissipated through the oil fume duct 820.

[0337] The air curtain assembly 10 is installed between the cooking body 800 and the bottom of the housing assembly 700. By setting a through hole or a shutter (i.e., the first opening 730) on the back plate 750 of the housing assembly 700, the indoor air is sucked into the air inlet structure 400 of the air curtain assembly 10, and the air curtain flow channel 130 of the air curtain body 100 forms a closed channel, and the air curtain flow channel 130 is isolated from the oil fume air duct 820, so that the air curtain flow channel 130 and the oil fume air duct 820 can be prevented from flowing through. The air sucked into the air curtain flow channel 130 passes through the metal wall cooled by the semiconductor cooling patch, and performs convection heat exchange. The air curtain is cooled, and then is accelerated by the cross-flow fan and discharged from the air curtain outlet 120.

[0338] like Figure 3 As shown, the air curtain assembly 10 is provided with two air outlet paths, one of which flows out of the air curtain body 100 through the guide hole 510 to cool down the body of the cook, and the other flows out of the air curtain body 100 through the air curtain outlet 120 to realize an air convection barrier that locks in heat and isolates smoke.

[0339] In this application, the term "plurality" means two or more than two, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0340] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. The above description is only a preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. An air curtain assembly for a cooking appliance, characterized in that: include: An air curtain body, wherein the air curtain body is provided with an air curtain inlet and an air curtain outlet, and the air curtain body is provided with an air curtain flow channel, wherein the air curtain flow channel communicates the air curtain inlet and the air curtain outlet; A heat exchange component is arranged on the air curtain body, and the heat exchange component includes a cold end and a hot end. The cold end is used for exchanging heat with the air curtain flow channel, and the hot end is arranged away from the air curtain flow channel.

2. The air curtain assembly according to claim 1, characterized in that: The heat exchange component is located on one side of the air curtain body, and the cold end is attached to the outer surface of the air curtain body.

3. The air curtain assembly according to claim 1, characterized in that: The air curtain body is also provided with a mounting opening, the mounting opening is connected to the air curtain flow channel, and the cold end of the heat exchange component is plugged into the mounting opening.

4. The air curtain assembly according to claim 2 or 3, characterized in that: The air curtain assembly comprises: The first fan comprises an impeller and an inlet portion, wherein the inlet portion and the impeller are both located in the air curtain flow channel, and the cold end is disposed adjacent to the inlet portion.

5. The air curtain assembly according to claim 4, characterized in that: The air curtain assembly also includes: An air inlet structure, wherein the air inlet structure is provided with the air curtain inlet; The guide part is connected to the air inlet structure, the guide part is provided with the air curtain outlet, and the air inlet structure and the guide part enclose the air curtain flow channel.

6. The air curtain assembly according to claim 5, characterized in that: The portion of the guide part located between the impeller and the air curtain outlet is provided with at least one guide hole, and the guide hole is connected to the air curtain flow channel.

7. The air curtain assembly according to claim 5, characterized in that: The air guide portion is rotatably connected to the air inlet structure.

8. The air curtain assembly according to claim 5, characterized in that: The air curtain body also includes a guide rib, which is arranged at the air curtain outlet. The guide rib has a first end and a second end that are arranged opposite to each other. The first end and the second end are both connected to the mouth wall of the air curtain outlet, and the distance from the first end to the middle of the air curtain outlet is smaller than the distance from the second end to the middle of the air curtain outlet.

9. The air curtain assembly according to claim 8, characterized in that: There are multiple guide ribs, a portion of which is located on a first side of the middle of the air curtain outlet, and another portion of which is located on a second side of the middle of the air curtain outlet.

10. The air curtain assembly according to claim 9, characterized in that: The inner surface of the air inlet structure encloses a portion of the air curtain flow channel; The flow cross-sectional area of ​​the air inlet structure gradually increases from the air curtain inlet to the air curtain outlet.

11. A cooking utensil, characterized in that: include: An air curtain assembly as claimed in any one of claims 1 to 10.

12. The cooking device according to claim 11, characterized in that: Also includes: A housing component, wherein the housing component is provided with an air inlet, an air outlet, a first opening, and a second opening, and the housing component has a back plate; A cooking body is disposed in the shell assembly, the cooking body is provided with a cooking cavity, the outer surface of the cooking body and the inner surface of the shell assembly enclose an oil fume duct, the oil fume duct communicates with the air inlet and the air outlet, and the distance from the air inlet to the back plate is less than the distance from the second opening to the back plate; The air curtain assembly is disposed between the housing assembly and the cooking body, the air curtain inlet is connected to the first opening, and the air curtain outlet is connected to the second opening; When the air curtain assembly is in operation, airflow enters the air curtain assembly from the first opening, flows out of the housing assembly through the air curtain assembly and the second opening, and forms an air curtain.

13. The cooking device according to claim 12, characterized in that: The hot end of the heat exchange element is located in the oil fume duct; or The hot end of the heat exchange element is located at one side of the oil fume air duct, and the hot end of the heat exchange element is arranged close to the outer surface of the oil fume air duct.

14. The cooking device according to claim 12 or 13, characterized in that: At least a portion of the air guide portion of the air curtain body extends out of the housing assembly through the second opening, and a portion of the air guide portion located outside the housing assembly is provided with the air curtain outlet and the air guide hole.

15. The cooking appliance according to claim 14, characterized in that The portion of the guide portion located outside the housing component forms an angle a with the bottom of the housing component, wherein 30°≤a≤70°.

16. The cooking appliance according to claim 14, characterized in that The cooking cavity has a storage opening, and the guide portion extends along the opening wall of the storage opening from the first side of the cooking cavity to the second side of the cooking cavity. The first side of the cooking cavity is arranged opposite to the second side of the cooking cavity, and the extension direction of the guide portion is perpendicular to the height direction of the shell assembly.

17. The cooking device according to claim 12 or 13, characterized in that: The air curtain assembly is located at the bottom of the cooking cavity; The air inlet includes a first sub-port and a second sub-port, the first portion of the oil fume duct extends from the first sub-port through the first side of the cooking cavity to the air outlet, and the second portion of the oil fume duct extends from the second sub-port through the second side of the cooking cavity to the air outlet.

18. The cooking device according to claim 12 or 13, characterized in that: Also includes: The second fan is arranged in the oil fume duct, and the second fan has a first inlet, a second inlet and an outlet. The first part of the oil fume duct is connected to the first inlet, the second part of the oil fume duct is connected to the second inlet, and the outlet is connected to the air outlet.

19. The cooking appliance according to claim 18, characterized in that The cooking body is further provided with an air guide groove, wherein the air guide groove and the shell assembly enclose a part of the oil fume air duct, and the air guide groove is connected between the outlet and the air outlet.

20. The cooking device according to claim 12 or 13, characterized in that: A heat dissipation duct is enclosed between the outer surface of the cooking body and the inner surface of the shell component, and the shell component is also provided with a heat dissipation port, which is connected to the heat dissipation duct; The cooking appliance further comprises an electrical component, and the electrical component is arranged in the heat dissipation duct.

21. A cooking utensil assembly, characterized in that: include: Cooking range; and The cooking appliance according to any one of claims 11 to 20, wherein the cooking appliances are arranged at intervals on the top of the stove, and an air inlet of the cooking appliance is arranged toward the stove.

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