Cooling device and steaming oven

Abstract

The utility model provides a cooling device and a steaming oven, the cooling device comprises an exhaust assembly and a refrigeration assembly, the exhaust assembly is used for being connected with a cooking cavity, the exhaust assembly is used for discharging steam in the cooking cavity, the exhaust assembly comprises a first exhaust pipeline, and the refrigeration assembly comprises a refrigeration part and a contact part; the first exhaust pipeline is in contact connection with the contact part, and the first exhaust pipeline is arranged on the outer surface of the refrigeration part in a surrounding manner through the contact part. In the embodiment of the invention, the steam flowing through the refrigeration part in the first exhaust pipeline is cooled through the refrigeration part, and the first pipeline is arranged on the outer surface of the refrigeration part in a surrounding manner through the contact part, so that the contact area of the contact part and the refrigeration part is increased, and the refrigeration efficiency of the exhausted steam is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen equipment technical field, concretely relates to a cooling device and steam oven. BACKGROUND

[0002] The steam oven is a kind of kitchen electrical appliances integrated with multiple functions, in the daily use process of people, steam oven can integrate steam function and baking function in one machine to realize.Steam oven can complete the steaming and baking process of food in a short time through built-in steam generator and heating element.Steam oven with composite function can replace the position of other electrical appliances and save kitchen area.

[0003] In the cooking process of steam oven, the cooking inner cavity of steam oven can produce a large amount of hot steam, these hot steam are discharged to steam oven outside through exhaust duct.In order to reduce the trouble caused by hot steam to user, cooling device is usually used to cool hot steam.One kind of steam oven is provided with a refrigeration fin along exhaust duct to cool the hot steam flowing through refrigeration fin in exhaust duct, but due to the limited contact area between refrigeration fin and exhaust duct, the area available for cooling hot steam in exhaust duct is limited, and the refrigeration effect is poor. SUMMARY

[0004] In order to solve the above technical problems, the utility model discloses a kind of cooling device and steam oven, can solve the technical problems that the contact area between refrigeration fin and exhaust duct in prior art is limited, leading to the area available for cooling hot steam in exhaust duct is limited, and the refrigeration effect is poor.

[0005] To achieve the above purpose, first, the application provides a kind of cooling device, the cooling device includes exhaust component and refrigeration component;

[0006] Exhaust component is used to connect with cooking cavity, and exhaust component is used to discharge steam in cooking cavity;Exhaust component includes first exhaust pipe line;

[0007] Refrigeration component includes refrigeration part and contact part;First exhaust pipe line and contact part contact connection, and first exhaust pipe line is arranged on the outer surface of refrigeration part by contact part.

[0008] In a possible embodiment, contact part includes at least one contact piece;

[0009] Each contact piece is fixedly arranged on the outer surface of refrigeration part, and each contact piece is in contact with first exhaust pipe line.

[0010] In a possible embodiment, each contact piece is transversely arranged, and the upper surface and the lower surface of each contact piece are in contact with first exhaust pipe line.

[0011] In a possible embodiment, the exhaust assembly comprises a second exhaust pipeline.

[0012] The second exhaust pipeline is arranged in communication with the cooking cavity, and the second exhaust pipeline is arranged in communication with the inlet end of the first exhaust pipeline.

[0013] In a possible embodiment, the length of the second exhaust pipeline is greater than a preset length.

[0014] In a possible embodiment, the cooling device further comprises an adsorption assembly.

[0015] The inlet end of the adsorption assembly is arranged in communication with the first exhaust pipeline, and the adsorption assembly is configured to adsorb water and impurities in the steam in the cooking cavity.

[0016] In a possible embodiment, the cooling device further comprises a liquid collecting portion.

[0017] The adsorption assembly comprises a liquid discharge port, and the position of the liquid discharge port corresponds to the position of the liquid collecting portion.

[0018] In a possible embodiment, the exhaust assembly comprises a third exhaust pipeline.

[0019] The third exhaust pipeline is arranged in communication with the exhaust end of the adsorption assembly.

[0020] In a possible embodiment, the refrigerator further comprises a refrigeration sheet, and the temperature of the refrigeration sheet is adjustable.

[0021] In a second aspect, the application provides a steam oven, which comprises an exhaust port and the cooling device of any one of the above.

[0022] The position of the exhaust port corresponds to the position of the exhaust end of the exhaust assembly.

[0023] The technical scheme provided by the embodiments of the application has the following technical effects:

[0024] The application provides a cooling device and a steam oven, the cooling device comprising an exhaust assembly and a refrigeration assembly, the exhaust assembly being configured to be connected with a cooking cavity and to discharge steam in the cooking cavity, the exhaust assembly comprising a first exhaust pipeline, and the refrigeration assembly comprising a refrigeration portion and a contact portion, the first exhaust pipeline being in contact connection with the contact portion and being arranged around the outer surface of the refrigeration portion via the contact portion. In the embodiments of the application, the steam flowing through the refrigeration portion in the first exhaust pipeline is cooled by the refrigeration portion, and the first pipeline is arranged around the outer surface of the refrigeration portion via the contact portion, which increases the contact area of the contact portion and the refrigeration portion and improves the refrigeration efficiency of the discharged steam. BRIEF DESCRIPTION OF DRAWINGS

[0025] To more clearly illustrate the technical solutions and advantages in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of a cooling device provided in an embodiment of this application. Figure 1 ;

[0027] Figure 2 This is a schematic diagram of a cooling device provided in an embodiment of this application. Figure 2 ;

[0028] Figure 3 This is a schematic diagram of a cooling device provided in an embodiment of this application. Figure 3 ;

[0029] Figure 4 This is a schematic diagram of a steam oven provided in an embodiment of this application;

[0030] Among them, such as Figures 1 to 4 As shown in the figure, 1 is the exhaust assembly, 11 is the first exhaust pipe, 12 is the second exhaust pipe, 2 is the refrigeration assembly, 21 is the refrigeration section, 22 is the contact section, 221 is the contact element, 3 is the adsorption assembly, and 4 is the liquid collection section. Detailed Implementation

[0031] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0032] It should be noted that the description of the application embodiments refers to "one embodiment" or "an embodiment" in the specification and claims, which means that a particular feature, structure or characteristic described in connection with the embodiment can be included in at least one implementation of the application. It is understood that the terms "upper", "lower", "top", "bottom" and the like as used herein refer to the orientation or position shown in the drawings and are used for convenience only in describing the application and the principal direction of the application and are not intended to mean or imply that the application must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed to limit the application. The terms "first", "second", "third", etc. are used only to describe different ones of the identical objects and are not necessarily used to describe a particular sequential or chronological order. It is understood that the data thus used can be interchanged, where appropriate, to refer to any one of the identical objects to be employed in place of any other such data thereby described to carry out the application embodiments described herein in other sequences than those shown and described herein. Furthermore, the term "plurality" as used herein means two or more, unless otherwise indicated. In addition, the terms "comprising" and "having" and any variations thereof as used herein are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or units does not necessarily comprise only those steps or units but can include other steps or units not expressly listed or inherent to such process, method, article, or apparatus.

[0033] It should be understood that when an element or layer is referred to as being "on", "adjacent", "connected to" or "coupled to" another element or layer, it can be directly on, adjacent, connected or coupled to the other element or layer, or one or more intervening elements or layers can be present. In contrast, when an element or layer is referred to as being "directly on", "directly adjacent", "directly connected to" or "directly coupled to" another element or layer, then there are no intervening elements or layers present. It will be understood that, although the terms first, second, third, etc. can be used herein to describe various elements, regions, layers and / or sections, these elements, regions, layers and / or sections should not be limited by these terms. These terms are only used to distinguish one element, region, layer or section from another element, region, layer or section. Thus, a first element, region, layer or section discussed below could be termed a second element, region, layer or section without departing from the teachings of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0034] In order to make the purposes, technical solutions and advantages of the embodiments disclosed in the present application clearer, the embodiments of the present application are further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the embodiments of the present application and not to limit the embodiments of the present application.

[0035] Please refer to Figure 1 , Figure 1 is a schematic diagram of a cooling device provided by the embodiments of the present application Figure 1 As shown in the figure, Figure 1 The cooling device includes an exhaust assembly 1 and a refrigeration assembly 2. The exhaust assembly 1 can be in contact with the refrigeration assembly 2. The cooling device can provide continuous refrigeration for the exhaust assembly 1 and the gas or liquid in the exhaust assembly 1 through the refrigeration assembly 2.

[0036] In a possible embodiment, the exhaust assembly 1 is used to connect with a cooking cavity. The exhaust assembly 1 is arranged in communication with the cooking cavity and is used to discharge steam in the cooking cavity. The exhaust assembly 1 can include a first exhaust pipeline 11 in communication with the cooking cavity. The gas in the cooking cavity can flow through the first exhaust pipeline 11 to be discharged out of the cooking cavity.

[0037] Optionally, the refrigeration assembly 2 can include a refrigeration part 21 and a contact part 22. The refrigeration assembly 2 can refrigerate and cool the exhaust assembly 1 and the steam in the exhaust assembly 1 through the refrigeration part 21. The first exhaust pipeline 11 can be in contact and connected with the contact part 22. The first exhaust pipeline 11 can be fixedly arranged on the contact part 22. The first exhaust pipeline 11 can be arranged around the outer surface of the refrigeration part 21 through the contact part 22. The outer surface of the first exhaust pipeline 11 can be simultaneously attached to the refrigeration part 21 and the contact part 22.

[0038] Optionally, the refrigeration part 21 can be a column. The first exhaust pipeline 11 can be arranged around the side surface of the column through the contact part 22. In order to further ensure the contact area of the first exhaust pipeline 11 and the refrigeration part 21, the length of the first exhaust pipeline 11 arranged around the side surface of the column through the contact part 22 can be greater than a first preset length.

[0039] The refrigeration part 21 can be an N-prism including N side surfaces. Each of the N side surfaces can provide refrigeration for the first exhaust pipeline 11 and the gas in the first exhaust pipeline 11. The first exhaust pipeline 11 can be arranged around the N side surfaces of the column through the contact part 22. The first exhaust pipeline 11 can be attached to one side surface of the N-prism or 2 to N side surfaces of the N-prism. N represents an integer greater than or equal to one.

[0040] Optionally, the refrigeration part 21 can continuously refrigerate the contact part 22 and the first exhaust pipeline 11, and the refrigeration part 21 can refrigerate the first exhaust pipeline 11 to refrigerate the gas in the first exhaust pipeline 11.

[0041] Optionally, the contact part 22 can be made of a material with good heat conduction, and the refrigeration part 21 can also refrigerate the contact part 22, so that the contact part 22 after refrigeration can perform secondary refrigeration on the first exhaust pipeline 11 and the gas in the first exhaust pipeline 11 in contact with the contact part 22, thereby indirectly improving the refrigeration efficiency of the refrigeration part 21 on the exhaust assembly 1.

[0042] Optionally, the first exhaust pipeline 11 can be an exhaust pipeline made of silica gel material.

[0043] In this embodiment, the cooling device cools the steam flowing through the refrigeration part 21 in the first exhaust pipeline 11 through the refrigeration part 21, and the contact part 22 is arranged on the outer surface of the refrigeration part 21 to surround the first pipeline, thereby increasing the contact area of the contact part 22 and the refrigeration part 21 and improving the refrigeration efficiency of the refrigeration part 21 on the exhaust assembly 1.

[0044] Please refer to Figure 2 , Figure 2 is a schematic view of a cooling device provided by the embodiment of the present application Figure 2 As shown in Figure 2 , the contact part 22 comprises at least one contact piece 221. The contact piece 221 can be a long strip-shaped plate structure.

[0045] Optionally, each contact piece 221 can be fixedly arranged on the outer surface of the refrigeration part 21, and each contact piece 221 can be fixedly connected with the refrigeration part 21 by bolt connection, buckle fixing or welding, etc. Each contact piece 221 can be arranged in parallel, each contact piece 221 is in contact with the first exhaust pipeline 11, and each contact piece 211 can be attached to the first exhaust pipeline 11.

[0046] Optionally, the contact part 22 can comprise at least two contact pieces 221, and each two adjacent contact pieces 221 of the at least two contact pieces 221 can be parallel to each other. In order to increase the distribution quantity of the first exhaust pipeline 11 in unit area, the interval distance between adjacent contact pieces 221 can be reduced, so that more first exhaust pipelines 11 in contact with the refrigeration part 21 can be arranged under the condition that the area of the refrigeration part 21 is constant, thereby further improving the refrigeration effect of the cooling device.

[0047] Among them, the interval distance between adjacent contact pieces 221 can be equal to the outer diameter of the first exhaust pipeline 11, and the first exhaust pipeline 11 can be just clamped between adjacent contact pieces 221.

[0048] In a possible implementation, each contact piece 221 is arranged laterally, and the upper surface and the lower surface of each contact piece 221 are in contact with the first exhaust pipeline 11.

[0049] Optionally, each contact piece 221 can be arranged laterally and uniformly along the outer surface of the refrigeration part 21, and the upper surface and the lower surface of each contact piece 221 can be used to fix the refrigeration part 21, and the upper surface and the lower surface of each contact piece 221 can be completely attached to the refrigeration part 21.

[0050] Optionally, in order to better achieve the cooling effect of the refrigeration assembly 1 on the exhaust assembly 2, the contact piece 221 can be made of a material with good thermal conductivity, and the upper surface and the lower surface of the contact piece 221 can be in contact with the first exhaust pipeline 11. When the refrigeration part 21 starts refrigeration, the temperature of the contact part 22 decreases, and the refrigeration part 21 and the contact part 22 can cool the first exhaust pipeline 11 and the gas in the first exhaust pipeline 11.

[0051] The material of the contact piece 221 can include metal materials such as copper, aluminum, iron, tungsten, and steel, can also include ceramic materials such as alumina ceramic, silicate ceramic, silicon nitride ceramic, and zirconia ceramic, and can also include carbon materials such as carbon fiber and silicon carbide.

[0052] In a possible implementation, the exhaust assembly 1 can include a second exhaust pipeline 12, which can be arranged in communication with the cooking cavity, and the second exhaust pipeline 12 is arranged in communication with the gas inlet end of the first exhaust pipeline 11.

[0053] Optionally, the gas inlet end of the second exhaust pipeline 12 can be arranged in communication with the cooking cavity, and the gas outlet end of the second exhaust pipeline 12 can be arranged in communication with the gas inlet end of the first exhaust pipeline 11.

[0054] The second exhaust pipeline 12 can be used to connect the cooking cavity and the first exhaust pipeline 11, and the gas in the cooking cavity can flow through the cooking cavity, the second exhaust pipeline 12, and the first exhaust pipeline 11 in sequence before being discharged to the outside of the cooling device. The second exhaust pipeline 12 can be continuously exposed to air at room temperature, and when the gas in the cooking cavity flows through the second exhaust pipeline 12, the second exhaust pipeline 12 can naturally cool the gas in the cooking cavity.

[0055] Optionally, the second exhaust pipeline 12 can be an exhaust pipeline made of silica gel material. Because the steam density generated during the operation of the cooking cavity is less than the density of air at room temperature and greater than the density of water vapor, the steam will usually accumulate at the top of the cooking cavity. In order to improve the working efficiency of the second exhaust pipeline 12 in discharging the steam in the cooking cavity, the second exhaust pipeline 12 can be fixedly arranged at the top of the cooking cavity.

[0056] In a possible embodiment, in order to guarantee the cooling effect of the second exhaust pipeline 12 on the natural cooling of the gas in the cooking cavity, the length of the second exhaust pipeline 12 can be greater than a preset length.

[0057] Optionally, the preset length can be a length determined by an operator based on experiments, and when the length of the second exhaust pipeline 12 is greater than the preset length, the gas in the cooking cavity can be effectively preliminarily cooled in the second exhaust pipeline 12. The preset length can be 0.5 meters.

[0058] Optionally, the length of the second exhaust pipeline 12 can be adjusted, and when the cooling device needs to enhance or reduce the cooling effect of the natural cooling of the gas in the cooking cavity in the second exhaust pipeline 12, the length of the second exhaust pipeline 12 can be increased or decreased to adjust the cooling effect of the natural cooling.

[0059] Optionally, when the cooling device needs to enhance the cooling effect of the natural cooling of the gas in the cooking cavity in the second exhaust pipeline 12, the length of the second exhaust pipeline 12 can be increased. When the cooling device needs to reduce the cooling effect of the natural cooling of the gas in the cooking cavity in the second exhaust pipeline 12, the length of the second exhaust pipeline 12 can be decreased.

[0060] Please refer to Figure 3 , Figure 3 is a schematic diagram of a cooling device provided by an embodiment of the present application Figure 3 As shown in Figure 3 , the cooling device further includes an adsorption assembly 3, which can be in communication with the cooking cavity. The adsorption assembly 3 can include adsorption components configured to adsorb impurities contained in steam in the cooking cavity.

[0061] Optionally, the air inlet end of the adsorption assembly 3 is in communication with the first exhaust pipeline 11, and the gas in the cooking cavity flows through the first adsorption assembly 3 in sequence to adsorb the moisture and impurities in the steam in the cooking cavity.

[0062] Specifically, the air inlet end of the adsorption assembly 3 can be in communication with the air outlet end of the first exhaust pipeline 11, and the adsorption assembly 3 can be used to adsorb the moisture and impurities remaining after the steam in the cooking cavity flows through the cooking cavity, the second exhaust pipeline 12 and the first exhaust pipeline 11 in sequence.

[0063] Optionally, the types and quantities of the adsorption components are directly related to the application scenario, and the types of the adsorption components can be directly related to the types of the impurities in the steam in the cooking cavity. If the content of a specific impurity in the steam in the cooking cavity is relatively high, the adsorption assembly 3 can select the types and quantities of the adsorption components based on the specific impurity, so that the adsorption components have sufficient adsorption capacity for adsorbing the specific impurity.

[0064] Specifically, the adsorption assembly 3 is used for adsorbing the moisture of the steam in the cooking cavity, and the adsorption assembly 3 can include a chemical desiccant composed of calcium sulfate, calcium chloride and the like, and a physical desiccant composed of silica gel, alumina and the like.

[0065] In a possible embodiment, the cooling device further includes the liquid collecting portion 4. Figure 3 The liquid collecting portion 4 in the cooking cavity is not shown in Figure 3 The liquid collecting portion 4 in the cooking cavity is not shown in Figure 4 The liquid collecting portion 4 in the cooking cavity is not shown in

[0066] Optionally, the adsorption assembly 3 includes a liquid discharge port 31, which can be used to discharge the residual moisture content in the cooking cavity adsorbed by the adsorption assembly 3, and the position of the liquid discharge port 31 can correspond to the position of the liquid collecting portion 4.

[0067] Optionally, the liquid collecting portion 4 can include a liquid collecting disc, which can be fixedly arranged directly below the liquid discharge port 31 to collect the condensed water discharged by the liquid discharge port, so as to prevent the condensed water from accumulating in the cooling device and causing water ingress, damage or even short circuit in the device.

[0068] In a possible embodiment, the exhaust assembly 1 includes a third exhaust pipeline, which is in communication with the exhaust end of the adsorption assembly 3.

[0069] Optionally, the exhaust end of the third exhaust pipeline is in communication with the exhaust end of the adsorption assembly 3, and the gas in the cooking cavity can flow through the cooking cavity, the second exhaust pipeline 12, the first exhaust pipeline 11, the adsorption assembly 3 and the third exhaust pipeline in sequence to flow out of the cooling device, so as to form a complete gas circulation.

[0070] Optionally, the first exhaust pipeline 11, the second exhaust pipeline 12 and the third exhaust pipeline can be fixedly connected, and the first exhaust pipeline 11, the second exhaust pipeline 12 and the third exhaust pipeline can be integrally formed.

[0071] In a possible embodiment, the refrigeration portion 21 further includes a refrigeration sheet, which can be a semiconductor refrigeration sheet, and the refrigeration portion 21 can refrigerate the steam flowing through the first exhaust pipeline 11 by the semiconductor refrigeration sheet. The temperature of the refrigeration sheet can be adjusted.

[0072] Optionally, the cooling device can change the cooling effect of the cooling element by adjusting the cooling temperature of the cooling element. When the cooling device needs to adjust the cooling section 21 to make the cooling section 21 have a stronger cooling effect, the cooling device can lower the temperature of the cooling element. When the cooling device needs to adjust the cooling section 21 to make the cooling section 21 have a weaker cooling effect, the cooling device can raise the temperature of the cooling element, so that the cooling section 21 has an appropriate cooling effect.

[0073] Please see Figure 4 , Figure 4 This is a schematic diagram of a steam oven provided in an embodiment of this application. ​ As shown, the steam oven includes a vent and any of the cooling devices mentioned above. Optionally, the position of the vent corresponds to the position of the vent end of the vent assembly 1, and the position of the vent can be aligned with the position of the vent end in the vent assembly 1.

[0074] Optionally, the steam oven may also include an air inlet, which may correspond to the air inlet of the cooking cavity. Thus, during the cooking process in the steam oven, gas flows from the outside through the air inlet, the cooking cavity, the exhaust assembly 1, and the exhaust port to the outside of the steam oven, thereby forming a complete air circulation.

[0075] In the embodiments of this application, the cooling device cools the steam flowing through the first exhaust pipe through the refrigeration section, and the first pipe is arranged around the outer surface of the refrigeration section through the contact section, thereby increasing the contact area between the contact section and the refrigeration section and improving the refrigeration efficiency.

[0076] It should be noted that the order of the embodiments described above is merely for descriptive purposes and does not represent the superiority or inferiority of the embodiments. Furthermore, specific embodiments have been described above. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps described in the claims can be performed in a different order than that shown in the embodiments and still achieve the desired result. Additionally, the processes depicted in the drawings do not necessarily require a specific or sequential order to achieve the desired result. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0077] The various embodiments in this specification are described in a progressive manner. Similar or identical parts between embodiments can be referred to mutually. Each embodiment focuses on describing the differences from other embodiments. In particular, the device embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions of the method embodiments.

[0078] Those skilled in the art can understand that all or part of the steps of the above-mentioned embodiments can be completed by hardware, or can be instructed by a program to complete the related hardware, and the program can be stored in a computer readable storage medium. The storage medium mentioned above can be a read-only memory, a magnetic disk or an optical disk, etc.

[0079] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. Cooling device, characterized in that The exhaust assembly (1) is used to connect with the cooking cavity, and the exhaust assembly (1) is used to discharge steam in the cooking cavity; the exhaust assembly (1) comprises a first exhaust pipeline (11); The refrigeration assembly (2) comprises a refrigeration part (21) and a contact part (22); the first exhaust pipeline (11) and the contact part (22) are in contact connection, and the first exhaust pipeline (11) is arranged around the outer surface of the refrigeration part (21) through the contact part (22). The contact part (22) comprises at least one contact piece (221); 2. Cooling device according to claim 1, characterized in that Each contact piece (221) is fixedly arranged on the outer surface of the refrigeration part (21), and each contact piece (221) is in contact connection with the first exhaust pipeline (11). Each contact piece (221) is arranged transversely, and the upper surface and the lower surface of each contact piece (221) are in contact connection with the first exhaust pipeline (11).

3. Cooling device according to claim 2, characterized in that The exhaust assembly (1) comprises a second exhaust pipeline (12); 4. The cooling device of claim 1, wherein The second exhaust pipeline (12) is arranged in communication with the cooking cavity, and the second exhaust pipeline (12) is arranged in communication with the air inlet end of the first exhaust pipeline (11). The length of the second exhaust pipeline (12) is greater than a preset length.

5. Cooling device according to claim 4, characterized in that Further comprising an adsorption assembly (3); 6. The cooling device of claim 1, wherein The air inlet end of the adsorption assembly (3) is arranged in communication with the first exhaust pipeline (11); the adsorption assembly (3) is used to adsorb water and impurities in steam in the cooking cavity. Further comprising a liquid collecting part (4); 7. Cooling device according to claim 6, characterized in that The adsorption assembly (3) comprises a liquid discharge port; the position of the liquid discharge port corresponds to the position of the liquid collecting part (4). The exhaust assembly (1) comprises a third exhaust pipeline; 8. Cooling device according to claim 6, characterized in that The third exhaust pipeline is arranged in communication with the air outlet end of the adsorption assembly (3). The refrigeration part (21) comprises a refrigeration fin; 9. The cooling device of claim 1, wherein, The temperature of the refrigeration fin can be adjusted. The cooling device comprises an exhaust port and the cooling device according to any one of claims 1-9; 10. A steam oven, characterized by The position of the exhaust port corresponds to the position of the air outlet end of the exhaust assembly (1). ​

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