Air fryer

Abstract

The embodiment of the utility model relates to the technical field of cooking equipment, and discloses an air fryer which comprises an air fryer body and a cleaning assembly, in the using process, food can be cooked in a cooking cavity, oil fume generated in the cooking process can be discharged out of the air fryer through a first airflow channel, and in the oil fume discharging process, the cleaning assembly is arranged in the air fryer body. And the cleaning assembly can decompose the oil fume into harmless substances, so that the oil fume is prevented from polluting indoor air and being attached to kitchen furniture or other appliances, the health of a user can be protected, the service life of equipment is prolonged, and the user experience is improved.

Description

TECHNICAL FIELD

[0001] The embodiment of the present application relates to the technical field of cooking equipment, in particular to an air fryer. BACKGROUND

[0002] With the improvement of people's living standards, the air fryer as a kind of kitchen appliance capable of making various food materials has occupied a place in more and more families. The working principle of the air fryer is mainly to generate high-temperature air by heating equipment through high-speed air circulation technology, and then use the fan to blow the high-temperature air to the cooking cavity for food heating, so that the surface of the food becomes golden and crisp, achieving the effect of frying. However, in the process of use, the oil released by the food will produce oil fume at high temperature, which will not only pollute the indoor air and affect the health of the user, but also reduce the user experience. CONTENT

[0003] A series of simplified concepts are introduced in the content part of the utility model, which will be further described in detail in the specific embodiment part. This part of the utility model does not mean to try to limit the key features and necessary technical features of the claimed technical solution, nor does it mean to try to determine the protection scope of the claimed technical solution.

[0004] The present utility model aims to solve at least one of the technical problems existing in the prior art or related art.

[0005] Therefore, the embodiment of the present application provides an air fryer, which comprises: an air fryer body, a cooking cavity and a first air flow channel communicated with the cooking cavity are formed in the air fryer body;

[0006] A cleaning assembly is detachably arranged in the first air flow channel and used for decomposing oil fume flowing out through the first air flow channel.

[0007] In a feasible embodiment, the cleaning assembly comprises:

[0008] A frame body is detachably arranged in the air fryer body, the frame body is provided with a second air flow channel, the second air flow channel is communicated with the first air flow channel, and one side of the frame body is provided with a slot penetrating through the second air flow channel;

[0009] A light part emits light rays which are irradiated in the second air flow channel through the slot.

[0010] In a feasible embodiment, the light part comprises:

[0011] A support frame is connected with the frame body, and one end of the support frame towards the second air flow channel is provided with a light outlet.

[0012] An ultraviolet lamp tube is arranged in the support frame.

[0013] A filter is arranged at one end of the support frame close to the frame body, for filtering light waves with a wavelength less than 240 nm and greater than 260 nm.

[0014] In an embodiment, the light part further comprises:

[0015] A reflecting cover is connected to one end of the support frame away from the light outlet, and the reflecting cover is arranged on both sides of the ultraviolet lamp tube opposite to the filter.

[0016] In an embodiment, one side of the reflecting cover facing the ultraviolet lamp tube is concave arc-shaped.

[0017] In an embodiment, the cleaning assembly further comprises:

[0018] A transparent layer is arranged on the inner wall of the ultraviolet lamp tube; and / or

[0019] A heat-resistant layer is arranged on the outer wall of the ultraviolet lamp tube; and / or

[0020] A hydrophobic and oleophobic layer is arranged on the outer wall of the ultraviolet lamp tube.

[0021] In an embodiment, the cleaning assembly further comprises:

[0022] A catalyst coating is coated on the inner wall of the frame body, and / or

[0023] A heat-insulating layer is arranged on the inner wall of the frame body.

[0024] In an embodiment, the cleaning assembly further comprises:

[0025] A protective net is connected to the frame body, and the protective net is used for covering the ultraviolet lamp tube.

[0026] In an embodiment, the air fryer further comprises: a filter screen for covering the first air flow channel and / or the outlet of the cleaning assembly.

[0027] In an embodiment, the air fryer further comprises:

[0028] An oil fume sensor is connected to the air fryer body, for detecting the concentration of oil fume in the cooking cavity.

[0029] A processor is connected to the oil fume sensor and the cleaning assembly, and is configured to control the opening or closing of the cleaning assembly based on the detection result of the oil fume sensor.

[0030] Compared with the prior art, the utility model at least has the following beneficial effects:

[0031] The air fryer provided by the embodiment of the application comprises an air fryer body and a cleaning assembly. In the use process, food can be cooked in the cooking cavity. The oil fume generated in the cooking process can be discharged to the outside of the air fryer through the first airflow channel. In the oil fume discharge process, the cleaning assembly can decompose the oil fume into harmless substances, so that the indoor air is prevented from being polluted by the oil fume and the oil fume is prevented from adhering to kitchen furniture or other appliances. The user's health is protected, the service life of the equipment is prolonged, and the user experience is improved.

[0032] The cleaning assembly of the air fryer provided by the embodiment of the application is detachably arranged in the first airflow channel. On the one hand, the cleaning assembly is convenient to assemble into the first airflow channel, and the air fryer is convenient to assemble. On the other hand, the cleaning assembly is convenient to clean and maintain, so that the air fryer is cleaner.

[0033] The above description is only a summary of the technical scheme of the utility model. In order to make the technical means of the utility model more clear, the utility model can be implemented according to the content of the specification. In order to make the above and other purposes, characteristics and advantages of the utility model more obvious and easy to understand, the specific implementation mode of the utility model is described below. BRIEF DESCRIPTION OF DRAWINGS

[0034] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are included to provide a description of the preferred embodiments and are not meant to limit the scope of the application. Moreover, the same reference numerals in different figures represent the same or similar components. In the drawings:

[0035] Figure 1 A schematic structural diagram of an air fryer according to an embodiment of the application is shown in FIG. 1.

[0036] Figure 2 A schematic structural diagram of an air fryer according to an embodiment of the application in an exploded state is shown in FIG. 2.

[0037] Figure 3 A schematic structural diagram of a cleaning assembly of an air fryer according to an embodiment of the application is shown in FIG. 3.

[0038] Figure 4 A schematic structural diagram of an ultraviolet lamp of an air fryer according to an embodiment of the application is shown in FIG. 4.

[0039] Figure 5 A schematic structural block diagram of an air fryer according to an embodiment provided in the present application.

[0040] wherein, Figures 1 to 5 The correspondence between the reference signs and the component names in the accompanying drawings is as follows:

[0041] 110 air fryer body, 120 cleaning assembly, 130 oil fume sensor, 140 processor, 150 distribution plate, 160 filter screen;

[0042] 111 cooking cavity, 112 first air flow channel;

[0043] 121 frame body, 122 light part, 123 anti-reflection layer, 124 heat-resistant layer, 125 hydrophobic and oleophobic layer, 126 catalyst coating, 127 heat preservation layer, 128 protective net;

[0044] 1211 second air flow channel, 1212 notch;

[0045] 1221 support frame, 1222 ultraviolet lamp tube, 1223 optical filter, 1224 reflecting cover;

[0046] 151 plate body, 152 guide hole. DETAILED DESCRIPTION

[0047] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the technical solutions provided by the present application. However, it will be apparent to one of ordinary skill in the art that the technical solutions provided by the present application can be implemented without one or more of these details.

[0048] It should be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise. In addition, it should also be understood that when the terms "comprise" and / or "include" are used in the specification, it means that the stated features, integers, steps, operations, elements, and / or components exist, but it does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or combinations thereof.

[0049] Now, the exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in various different forms, and should not be interpreted as being limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that the disclosure of the present application is complete and complete, and the ideas of these exemplary embodiments are sufficiently conveyed to those of ordinary skill in the art.

[0050] As Figures 1 to 5As shown, the embodiment of the present application provides an air fryer, which comprises: an air fryer body 110, a cooking cavity 111 and a first air flow channel 112 in communication with the cooking cavity 111 are formed in the air fryer body 110; a cleaning assembly 120, which is detachably arranged in the first air flow channel 112 and used for decomposing oil fume flowing out of the first air flow channel 112.

[0051] The air fryer provided by the embodiment of the present application comprises the air fryer body 110 and the cleaning assembly 120. During use, food can be cooked in the cooking cavity 111, and oil fume generated during cooking can be discharged out of the air fryer through the first air flow channel 112. During the discharge of the oil fume, the cleaning assembly 120 can decompose the oil fume into harmless substances, so as to avoid pollution of indoor air and adhesion of the oil fume on kitchen furniture or other appliances, protect the health of users, prolong the service life of the equipment, and improve the user experience.

[0052] The cleaning assembly 120 of the air fryer provided by the embodiment of the present application is detachably arranged in the first air flow channel 112. In this way, on the one hand, the cleaning assembly 120 is convenient to assemble into the first air flow channel 112, and the air fryer is convenient to assemble; on the other hand, the cleaning assembly 120 is convenient to clean and maintain, so that the air fryer is cleaner.

[0053] As shown in the figure, Figure 2 In a feasible implementation, the cleaning assembly 120 comprises: a frame 121, which is detachably arranged in the air fryer body 110 and is provided with a second air flow channel 1211, the second air flow channel 1211 is in communication with the first air flow channel 112, and one side of the frame is provided with a slot 1212 penetrating through the second air flow channel 1211; a light part 122, light emitted by the light part 122 is irradiated in the second air flow channel 1211 through the slot 1212.

[0054] In the technical solution, the structure of the cleaning assembly 120 is further provided, and the cleaning assembly 120 can include a frame 121 and a light part 122. A second airflow channel 1211 is formed in the frame 121, and the oil fume flowing out of the first airflow channel 112 can enter the second airflow channel 1211. The light part 122 is connected with a slot 1212 above the second airflow channel 1211, and ultraviolet light is emitted by the light part 122. When the ultraviolet light irradiates the oil fume, the molecular structure of the oil fume is changed, and the high-molecular compound is degraded into a low-molecular compound, such as a trace of powder. At the same time, the ultraviolet light can also decompose oxygen molecules in the air to generate free oxygen, i.e., active oxygen. Because the free oxygen carries unbalanced positive and negative electrons, it will combine with oxygen molecules to generate ozone (O3). Ozone has a strong oxidizing effect on organic matter, and thus the molecules of the oil fume in the air are converted into water and carbon dioxide, which are discharged to the outside of the air fryer through the second airflow channel 1211, do not affect the health of the user, and can make the kitchen of the user more clean and the user experience better.

[0055] In the technical solution, the cleaning assembly 120 is designed in the form of the frame 121, and the cleaning assembly 120 can be detachably arranged in the first airflow channel 112 in an embedded manner, which is convenient for the assembly of the air fryer.

[0056] In the technical solution, the light part 122 is connected to the second airflow channel 1211 in an embedded manner through the slot 1212, which can make the structure of the air fryer more compact, facilitate the entry of the oil fume into the first airflow channel 112, and facilitate the contact between the light emitted by the light part 122 and the oil fume.

[0057] As shown in FIGS. Figure 2 and Figure 5 In a feasible implementation, the light part 122 includes a support frame 1221, an ultraviolet lamp 1222, and a filter 1223. The support frame 1221 is connected with the frame 121, and an outlet is arranged at one end of the support frame 1221 facing the second airflow channel 1211. The ultraviolet lamp 1222 is arranged in the support frame 1221. The filter 1223 is arranged at one end of the support frame 1221 close to the frame 121, and is used to filter light waves with a wavelength less than 240 nm and greater than 260 nm.

[0058] In the technical scheme, the structure of the light part 122 is further provided, and the light part 122 can include a support frame 1221, an ultraviolet lamp tube 1222 and a filter 1223. The support frame 1221 is arranged to facilitate the fixation of the ultraviolet lamp tube 1222 and the connection of the light part 122 with the slot 1212. The ultraviolet lamp tube 1222 can emit ultraviolet light to convert the molecules of oil in the oil fume into water and carbon dioxide. The filter 1223 is arranged to filter light other than ultraviolet light, and only allow specific wavelengths to pass, so that the ultraviolet light can be concentrated on the oil fume passing through the second airflow channel 1211, and the oil fume decomposition efficiency can be further improved.

[0059] In the technical scheme, the side of the support frame 1221 facing the second airflow channel 1211 is formed with a light outlet. Based on this, the light emitted by the light part 122 can irradiate the oil fume, and the oil fume decomposition efficiency can be further improved.

[0060] It can be understood that the filter 1223 is used to filter light waves with a wavelength less than 240 nm and greater than 260 nm, that is, to allow light with a wavelength greater than or equal to 240 nm and less than or equal to 260 nm to pass, so as to improve the oil fume decomposition efficiency.

[0061] In a feasible implementation, the light part further includes a reflecting cover 1224 connected to one end of the support frame 1221 away from the light outlet, and the reflecting cover 1224 is arranged on both sides of the ultraviolet lamp tube 1222 opposite the filter 1223.

[0062] In the technical scheme, the structure of the cleaning assembly 120 is further provided. Considering that the support frame 1221 is embedded in the second airflow channel 1211, part of the light will be projected on the frame support frame 1221 when the light part 122 is turned on. The reflecting cover 1224 is arranged on the side of the ultraviolet lamp tube 1222 away from the filter 1223, so as to reflect the light, so that the light can also be projected to the second airflow channel 1211, the light energy utilization efficiency is improved, and the oil fume decomposition effect is increased.

[0063] In some examples, the reflecting cover 1224 can include a mirror, and can also be made of polished aluminum. The reflecting cover 1224 made of polished aluminum can improve the illumination intensity of ultraviolet light.

[0064] As shown in Figure 2 and Figure 3 In a feasible implementation, one side of the reflecting cover 1224 facing the ultraviolet lamp tube 1222 is in the form of a concave arc surface.

[0065] In the technical solution, the reflection cover 1224 is concave arc-shaped on the side facing the ultraviolet lamp tube 1222, so that the reflection cover 1224 can be arranged to semi-enclose the ultraviolet lamp tube 1222, and the utilization efficiency of ultraviolet light can be further improved, thereby improving the essence effect.

[0066] In an example, the cleaning assembly 120 further comprises: a transparent layer 123 arranged on the inner wall of the ultraviolet lamp tube 1222; and / or a heat-resistant layer 124 arranged on the outer wall of the lamp tube of the ultraviolet lamp tube 1222; and / or a hydrophobic and oleophobic layer 125 arranged on the outer wall of the ultraviolet lamp tube 1222.

[0067] In the technical solution, the inner wall of the ultraviolet lamp tube 1222 can also be provided with a transparent layer 123. By arranging the transparent layer 123, light attenuation can be reduced, light efficiency can be enhanced, and the ability of ultraviolet light can be enhanced, thereby improving the decomposition efficiency of oil.

[0068] It can be understood that the ultraviolet light emitted by the ultraviolet lamp tube 1222 can not only decompose oil fume, but also has sterilization effect, can improve the sanitary condition inside the air fryer, ensure food safety, and improve the user experience.

[0069] In some examples, the transparent layer 123 can include a high-transparency ultraviolet protective film, and the material for preparing the high-transparency ultraviolet protective film can include polymethyl methacrylate (PMMA, also known as organic glass), polyethylene resin film, and ethylene copolymer film.

[0070] In the technical solution, the outer wall of the lamp tube can also be coated with a heat-resistant layer 124. By coating the heat-resistant layer 124, the heat-resistant performance of the ultraviolet lamp tube 1222 can be improved, the ultraviolet lamp tube 1222 can work at a higher temperature, the oil fume can be better decomposed, and the service life of the cleaning assembly 120 can be improved.

[0071] In some examples, the material for preparing the heat-resistant layer 124 can include high-temperature mercury amalgam, polytetrafluoroethylene (PFA), polyimide (PI), and transparent aluminum oxide ceramic.

[0072] In the technical solution, the outer wall of the lamp tube can also be provided with a hydrophobic and oleophobic layer 125. By arranging the hydrophobic and oleophobic layer 125, the adhesion of oil fume can be reduced, and the oil fume on the ultraviolet lamp tube 1222 can be cleaned more easily.

[0073] In some examples, the material for preparing the hydrophobic and oleophobic layer 125 can include silicone resin, polydimethylsiloxane (PDMS), and fluorocarbon resin.

[0074] AsFigure 3 As shown, in one possible embodiment, the cleaning component 120 further includes a catalyst coating 126, which is applied to the inner wall of the frame 121.

[0075] In this technical solution, in order to further improve the decomposition effect of the cleaning component 120, the cleaning component 120 may also include a catalyst coating 126. By coating the inner wall of the frame 121 with a catalyst, a catalyst coating 126 is formed. Combined with the ultraviolet light emitted by the ultraviolet lamp tube 1222, the grease molecules generate hydroxyl radicals under the action of ultraviolet light and catalyst. The hydroxyl radicals have extremely strong oxidizing power and can effectively decompose the organic matter in the oil fumes.

[0076] In some examples, the material used to prepare the catalyst coating 126 may include a titanium dioxide semiconductor catalyst. Titanium dioxide semiconductor catalysts utilize the photoelectric effect of semiconductors; under ultraviolet light irradiation, electrons in their valence band transition to the conduction band, forming photogenerated electrons and holes. These photogenerated electrons and holes are highly reactive, capable of migrating to the catalyst surface and participating in redox reactions to decompose oils and fats.

[0077] like Figure 3 As shown, in one feasible embodiment, the cleaning component 120 further includes a protective net 128, which is connected to the frame 121 and is used to cover the ultraviolet lamp tube 1222.

[0078] In this technical solution, the cleaning component 120 may also include a protective net 128, which covers the ultraviolet lamp tube. The protective net 128 can play a protective role, reducing or eliminating the probability of the user directly contacting the ultraviolet lamp tube 1222. In addition, even if the ultraviolet lamp tube 1222 is damaged, the fragments of the ultraviolet lamp tube 1222 will not fall or will fall into the second airflow channel 1211 and the first airflow channel 112, further reducing the probability of fragments entering the cooking cavity 111 and ensuring the safety and reliability of cooking.

[0079] like Figure 5 As shown, in one feasible embodiment, the air fryer further includes: a fume sensor 130, which is connected to the air fryer body 110 and is used to detect the concentration of fumes in the cooking cavity 111; and a processor 140, which is connected to the fume sensor 130 and the cleaning component 120 and is used to control the opening or closing of the cleaning component 120 based on the detection result of the fume sensor 130.

[0080] In the technical solution, the air fryer can further include an oil fume sensor 130. The oil fume sensor 130 can detect the concentration of the oil fume in the cooking cavity 111. When the concentration of the oil fume in the cooking cavity 111 exceeds a threshold value, the processor 140 can control the cleaning assembly 120 to be turned on. Otherwise, when the concentration of the oil fume is below the threshold value, it can be considered that the amount of oil fume generated is small. In this case, the cleaning assembly 120 is maintained in the off state, so that the cleaning assembly 120 can be orderly turned on or turned off, and the use of the air fryer is more convenient and energy-saving. In some use scenarios, when the smoke concentration reaches a particle mass concentration of 4 milligrams per cubic meter of oil fume, the detection signal is transmitted to the controller, and the ultraviolet lamp tube 1222 is started.

[0081] As shown in Figure 3 In a feasible implementation, the air fryer further includes a distribution plate 150 arranged in the second airflow channel 1211 and used for guiding the airflow conveyed to the second airflow channel 1211 through the cooking cavity 111.

[0082] In the technical solution, the air fryer can further include a distribution plate 150. The oil fume in the cooking cavity 111 enters the second airflow channel 1211 through the distribution plate 150. The distribution plate 150 can distribute the conveying direction of the oil fume, so that the oil fume enters the second airflow channel 1211 more uniformly, can be uniformly decomposed by the cleaning assembly 120, and can further improve the decomposition effect of the oil fume.

[0083] As shown in Figure 3 In a feasible implementation, the distribution plate 150 includes a plate body 151 and a plurality of guide holes 152 arranged on the plate body 151.

[0084] In the technical solution, the structure of the distribution plate 150 is further provided. The distribution plate 150 can include a plate body 151 and a plurality of guide holes 152 arranged on the plate body 151. The oil fume enters the second airflow channel 1211 through the guide holes 152. The guide holes 152 can guide and distribute the transmission of the oil fume, so that the oil fume is more uniformly distributed in the second airflow channel 1211, can increase the probability of being irradiated by ultraviolet light, can be more fully decomposed, and can improve the decomposition efficiency of the oil fume.

[0085] In a feasible implementation, the guide holes 152 are long strip holes. Such an arrangement can facilitate the flow of gas and reduce the resistance of gas flow.

[0086] In a feasible implementation, the plate body 151 is made of stainless steel material. Such an arrangement can improve the service life of the plate body 151.

[0087] As Figure 1 And Figure 2 As shown in one possible implementation, the air fryer further comprises a filter screen 160, which is used to cover the outlet of the first air flow channel 112 and / or the cleaning assembly 120. Based on this, the setting of the filter screen 160 can avoid external sundries from entering into the cleaning assembly 120 and / or the first air flow channel 112.

[0088] It can be understood that the first air flow channel 112 and the second air flow channel 1211 are in communication with each other, that is, the second air flow channel 1211 of the cleaning assembly 120 can be embedded in the first air flow channel 112, so that the filter screen 160 can be covered only at the first air flow channel 112, in which case external sundries can be avoided from entering into the air fryer. Of course, the cleaning assembly 120 and the first air flow channel 112 can also share an outlet, in which case the filter screen 160 can also play a role in avoiding external sundries from entering into the cleaning assembly 120. The filter screen 160 can also cover only the outlet of the cleaning assembly 120, playing a role in protecting the cleaning assembly 120.

[0089] In the present application, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; the term "a plurality of" refers to two or more, unless otherwise explicitly limited. The terms "mounting", "connecting", "connecting", "fixing" and the like should be broadly understood, for example, "connecting" can be fixed connection, can also be detachable connection, or integrally connected; "connected" can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0090] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or units referred to must have a particular direction, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.

[0091] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "a specific embodiment", and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0092] The above is only the preferred embodiment of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. 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. An air fryer characterized in that, The application relates to an air fryer, which comprises the following parts: an air fryer body, a cooking cavity and a first air flow channel being formed in the air fryer body and being communicated with the cooking cavity; a cleaning assembly, which is detachably arranged in the first air flow channel and is used for decomposing oil fume flowing out through the first air flow channel.

2. The air fryer according to claim 1, characterized in that, The cleaning assembly comprises: a frame body, which is detachably arranged in the air fryer body, is provided with a second air flow channel, and is communicated with the first air flow channel, one side of the frame body is provided with a slot opening through the second air flow channel; a light part, light emitted by the light part is irradiated in the second air flow channel through the slot opening.

3. The air fryer according to claim 2, characterized in that The light part comprises: a support frame, which is connected with the frame body, and is provided with a light outlet at one end of the support frame facing the second air flow channel; an ultraviolet lamp tube, which is arranged in the support frame; a filter, which is arranged at one end of the support frame close to the frame body and is used for filtering light waves with a wavelength less than 240nm and greater than 260nm.

4. The air fryer according to claim 3, characterized in that The light part further comprises: a reflecting cover, which is connected at one end of the support frame away from the light outlet, and is arranged on both sides of the ultraviolet lamp tube opposite to the filter.

5. The air fryer according to claim 4, characterized in that One side of the reflecting cover facing the ultraviolet lamp tube is in a concave arc shape.

6. The air fryer of claim 3, wherein, The cleaning assembly further comprises: an anti-reflection layer, which is arranged on the inner wall of the ultraviolet lamp tube; and / or a heat-resistant layer, which is arranged on the outer wall of the ultraviolet lamp tube; and / or a hydrophobic and oleophobic layer, which is arranged on the outer wall of the ultraviolet lamp tube.

7. The air fryer of claim 3, wherein, The cleaning assembly further comprises: a catalyst coating, which is coated on the inner wall of the frame body, and / or a heat preservation layer, which is arranged on the inner wall of the frame body.

8. The air fryer of claim 3, wherein, The cleaning assembly further comprises: a protective net, which is connected to the frame body and is used for covering the ultraviolet lamp tube.

9. The air fryer according to any one of claims 1 to 8, wherein, The application further comprises: a filter screen, which is used for covering the first air flow channel and / or the outlet of the cleaning assembly.

10. An air fryer according to any one of claims 1 to 8, wherein, The application further comprises: an oil fume sensor, which is connected to the air fryer body and is used for detecting the concentration of oil fume in the cooking cavity; a processor, which is connected to the oil fume sensor and the cleaning assembly and is used for controlling the opening or closing of the cleaning assembly based on the detection result of the oil fume sensor.

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