Three-dimensional heating type air fryer

Abstract

The utility model relates to a three-dimensional heating type air fryer which comprises a machine body, a cooking cavity formed in the machine body and a hot air circulating system communicated with the cooking cavity, a frying basket with an opening in the top is arranged in the cooking cavity, and a first heating assembly is arranged above the frying basket; the hot air circulating system is provided with an air outlet and an air suction opening, and after air flow in the air outlet flows out, the air flow is suitable for being heated by the first heating assembly and flows into the frying basket through an opening in the top of the frying basket; a second heating assembly is arranged below the frying basket, a hot air hole is formed in the lower portion of the frying basket, a hot air gap communicated with the exhaust opening and the hot air hole is formed between the outer wall of the frying basket and the inner wall of the cooking cavity, and the second heating assembly is arranged in the hot air gap. The first heating assembly and the second heating assembly are arranged above and below the frying basket respectively, the upper surface and the lower surface of food in the frying basket can be heated at the same time, and therefore turnover operation is avoided.

Description

Technical Field

[0001] The utility model relates to the field of air fryers, in particular to a three-dimensional heating type air fryer. Background Art

[0002] In recent years, air fryers have been very popular among consumers. Among the existing air fryers, most of them have a single heating tube structure, that is, only a single heating tube is set at the top of the cooking cavity, and hot air is blown downwards through a hot air circulation system to heat the food in the cooking cavity; this single heating tube structure has only one heating tube and heats the food in the cooking cavity by blowing air downwards, so it not only has a slow heating speed and low cooking efficiency, but also easily causes uneven heating of the top and bottom of the food, poor cooking effect, and poor user experience. Utility Model Content

[0003] The present application provides a three-dimensional heating air fryer to solve the technical problems of low cooking efficiency, poor cooking effect and poor user experience of existing air fryers.

[0004] In order to solve the above technical problems, the utility model provides a three-dimensional heating air fryer, comprising a body, a cooking cavity arranged in the body, and a hot air circulation system connected to the cooking cavity for conveying circulating airflow into the cooking cavity, a frying basket with an open top is arranged in the cooking cavity, a first heating component is arranged above the frying basket, the hot air circulation system has an air outlet and an air suction port, after the airflow in the air outlet enters the cooking cavity, it is suitable to be heated by the first heating component and flow into the frying basket through the top opening of the frying basket; a second heating component is arranged below the frying basket, a hot air gap connected to the air suction port is formed between the outer wall of the frying basket and the inner wall of the cooking cavity, a hot air hole connected to the hot air gap is arranged at the lower part of the frying basket, and the second heating component is arranged in the hot air gap. The present application arranges the first heating component and the second heating component above and below the frying basket respectively, which can not only heat the upper and lower surfaces of the food in the frying basket at the same time, thereby avoiding the turning operation, simplifying the cooking steps, and improving the user experience, but also can perform secondary heating of the heat flow in the hot air gap through the second heating component, thereby increasing the temperature of the circulating heat flow and further improving the cooking efficiency.

[0005] In an optional embodiment, the top of the cooking cavity is provided with an annular air guide cavity that is concave upward and opens downward, the air guide cavity is suitable for connecting to the air outlet, the top opening of the frying basket is at least partially located directly below the air guide cavity, and the first heating component is provided in the air guide cavity around the inner wall of the air guide cavity. By providing the annular air guide cavity that is connected to the air outlet at the top of the cooking cavity and providing the first heating component around the inner wall of the air guide cavity, not only can the first heating component better heat the airflow in the air guide cavity, but also the airflow flowing out of the air outlet can be more evenly introduced into the frying basket through the air guide cavity, thereby heating the food in the frying basket, which can effectively improve the cooking effect.

[0006] In an optional embodiment, the frying basket includes a frying basket body and a mesh plate matched with the frying basket body, the frying basket body has a bottom opening at the bottom, a support structure is provided inside the bottom opening, the mesh plate is detachably limited on the support structure, and a plurality of hot air holes are provided on the mesh plate. By detachably arranging the mesh plate at the bottom of the frying basket body, it is easy to disassemble, clean and replace, thereby improving user convenience.

[0007] In an optional embodiment, a downwardly recessed heating groove is provided at the bottom of the cooking cavity, and the second heating component is suspended in the heating groove. By suspending the second heating component in the heating groove, not only can the second heating component be hidden, thereby improving the overall aesthetics, but also the heat generated by the second heating component can be prevented from being dispersed, thereby better heating the airflow in the heating groove, which can effectively improve the heating efficiency.

[0008] In an optional embodiment, a plurality of fixing members made of elastic high temperature resistant material are arranged at intervals in the heating groove, one end of the fixing member is provided with a bending portion for fixing the second heating component, and the other end is provided with a fixing portion fixedly connected to the bottom wall of the heating groove by a fastener, the fixing portion is provided with a limiting portion extending toward the bottom wall of the heating groove, the bottom wall of the heating groove is provided with a limiting hole matching the limiting portion, and the limiting portion is suitable for extending into the limiting hole. By arranging a plurality of the fixing members in the heating groove to fix the second heating component, the connection stability of the second heating component can be effectively improved; at the same time, by fixing the fixing members with fasteners and arranging the limiting portion on the fixing portion of the fixing member, not only the fixing of the fixing member can be achieved, but also the fixing member can be limited, which can effectively improve the connection stability and structural reliability of the fixing member.

[0009] In an optional embodiment, a temperature sensor is provided in the heating groove, and a fuse is provided on the outer wall of the heating groove, and the fuse is suitable for being electrically connected to the temperature sensor and the control circuit of the machine body. By providing the temperature sensor in the heating groove, the temperature at the bottom of the cooking cavity can be monitored to prevent the temperature in the cooking cavity from being too high; at the same time, by providing the fuse on the outer wall of the heating groove, when the temperature sensor detects that the temperature in the heating groove is too high, the control circuit of the air fryer is automatically disconnected, thereby reducing the temperature in the cooking cavity, which can effectively improve the safety of use and the cooking effect.

[0010] In an optional embodiment, the body is provided with a heat dissipation duct located outside the cooking cavity, and the outer wall of the heating groove is at least partially located in the heat dissipation duct. By arranging the heat dissipation duct outside the cooking cavity, the body can be cooled, which can not only prevent the body temperature from being too high, but also ensure the normal operation of the electrical components in the body, and effectively improve the use safety and performance reliability of the air fryer product; at the same time, at least part of the outer wall of the heating groove is arranged in the heat dissipation duct, and the outer wall of the heating groove can be cooled by the heat dissipation cold flow in the heat dissipation duct, so as to avoid the high temperature heat in the heating groove from being transferred to the outside of the heating groove, thereby affecting the normal operation of other electrical components outside the heating groove, and effectively improve the performance stability of the air fryer.

[0011] In an optional embodiment, the side wall of the heating groove is an arc-shaped flow-guiding structure extending obliquely from the bottom to the outside of the top. By setting the side wall of the heating groove as an arc-shaped flow-guiding structure, the circulating heat flow in the hot air gap can efficiently enter and exit the heating groove, so as to be heated by the second heating component, which can not only effectively improve the heat flow circulation efficiency in the cooking cavity, but also effectively improve the cooking efficiency.

[0012] In an optional embodiment, a visual port is provided at the top of the cooking cavity, a window component is provided in the visual port to close the visual port, and the window component at least partially corresponds to the top opening of the frying basket. By providing the visual port at the top of the cooking cavity, the situation in the cooking cavity can be visualized, so that the user can intuitively observe the cooking state of the food in the cooking cavity, thereby better cooking, which can effectively improve the cooking effect and cooking experience.

[0013] In an optional embodiment, the first heating component includes a heating tube, which is a light wave tube, and the heating tube is suitable for being arranged around the outer edge of the visual port. By using a light wave tube as the heating tube, the heating tube can illuminate the cooking cavity while heating the air in the cooking cavity, thereby improving the visibility and visual effect in the cooking cavity; at the same time, by arranging the heating tube around the outer edge of the visual port, the light generated by the heating tube will not interfere with the visibility of the visual port, which can effectively improve the visibility and visual effect of the air fryer.

[0014] Compared with the prior art, the beneficial effects of this application are:

[0015] The present application arranges the first heating component and the second heating component above and below the frying basket respectively, which can not only heat the upper and lower surfaces of the food in the frying basket at the same time, thereby avoiding the turning operation, simplifying the cooking steps, and improving the user experience, but also can perform secondary heating of the heat flow in the hot air gap through the second heating component, thereby increasing the temperature of the circulating heat flow and further improving the cooking efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall cross-sectional view of a three-dimensional heating type air fryer of the utility model.

[0017] Figure 2 The utility model is a schematic diagram of the exploded structure of a frying basket of a three-dimensional heating air fryer.

[0018] Figure 3 It is a partial structural schematic diagram of a three-dimensional heating type air fryer of the utility model. DETAILED DESCRIPTION

[0019] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the utility model.

[0020] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0021] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps described in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once a certain item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0022] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0023] And for ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0024] In addition, it should be noted that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be one or more, and the term "one" cannot be understood as a limitation on the number. The use of words such as "first" and "second" to define components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above words have no special meaning and therefore cannot be understood as a limitation on the scope of protection of the utility model.

[0025] Attached Figures 1 to 3 As shown, it is a schematic diagram of a three-dimensional heating air fryer provided by the utility model, the air fryer comprises a body 10, a cooking cavity 11 arranged in the body 10, and a hot air circulation system 20 connected to the cooking cavity 11 for conveying circulating airflow into the cooking cavity 11, a frying basket 30 with an open top is arranged in the cooking cavity 11, a receiving cavity for placing food is arranged in the frying basket 30, a first heating component 40 is arranged above the frying basket 30, the hot air circulation system 20 has an air outlet 21 and an air intake 22, after the airflow in the air outlet 21 enters the cooking cavity 11, it is suitable to be heated by the first heating component 40 and flow into the frying basket 30 through the open top of the frying basket 30, so as to heat the food in the frying basket 30.

[0026] like Figure 1 As shown, a second heating assembly 50 is provided below the frying basket 30, a hot air gap 12 communicating with the air suction port 22 is formed between the outer wall of the frying basket 30 and the inner wall of the cooking cavity 11, a hot air hole 33 communicating with the hot air gap 12 is provided at the lower part of the frying basket 30, and the second heating assembly 50 is suitable for being arranged in the hot air gap 12. After the circulating heat flow generated by the hot air circulation system 20 enters the cooking cavity 11 through the air outlet 21, it is suitable for being heated by the first heating assembly 40 and entering the frying basket 30 through the top opening of the frying basket 30, flowing out of the frying basket 30 through the hot air hole 33 at the bottom of the frying basket 30, and being heated again by the second heating assembly 50 in the hot air gap 12, and then flowing back to the hot air circulation system 20 through the hot air gap 12 and the air suction port 22. The air fryer is provided with the first heating component 40 and the second heating component 50 above and below the frying basket 30, respectively, so that the upper and lower surfaces of the food in the frying basket 30 can be heated simultaneously, thereby avoiding the turning operation, simplifying the cooking steps, and improving the user experience; the second heating component 50 can also be used to perform secondary heating on the heat flow in the hot air gap 12, thereby increasing the temperature of the circulating heat flow and further improving the cooking efficiency.

[0027] like Figure 1As shown, the top of the cooking cavity 11 is provided with an air duct plate 13 that surrounds at least part of the cooking cavity 11, and the air duct plate 13 is provided with an annular air guide cavity 14 that is concave upward and opens downward, and the air guide cavity 14 is suitable for connecting to the air outlet 21. The top opening of the frying basket 30 is at least partially located directly below the air guide cavity 14, and the first heating component 40 is arranged in the air guide cavity 14 around the inner wall of the air guide cavity 14. The air fryer is provided with the annular air guide cavity 13 that is connected to the air outlet 21 at the top of the cooking cavity 11, and the first heating component 40 is arranged around the inner wall of the air guide cavity 14, so that the first heating component 40 can not only better heat the airflow in the air guide cavity 14, but also can more evenly guide the airflow flowing out of the air outlet 21 into the frying basket 30 through the air guide cavity 14, so as to heat the food in the frying basket 30, which can effectively improve the cooking effect.

[0028] like Figure 1 and Figure 2 As shown, the frying basket 30 includes a frying basket body 31 and a mesh plate 32 matched with the frying basket body 31. The bottom of the frying basket body 31 has a bottom opening 311, and a support structure 312 is provided inside the bottom opening 311. The mesh plate 32 is detachably limited on the support structure 312, and a plurality of hot air holes 33 are provided on the mesh plate 32. By detachably arranging the mesh plate 32 at the bottom of the frying basket body 31, it is easy to disassemble, clean and replace, thereby improving the convenience of use for users.

[0029] like Figure 1 and Figure 3 As shown, a downwardly recessed heating groove 15 is provided at the bottom of the cooking cavity 11, and the second heating component 50 is suitable for being suspended in the heating groove 15. By suspending the second heating component 50 in the heating groove 15, not only can the second heating component 50 be hidden, thereby improving the overall aesthetics, but also the heat generated by the second heating component 50 can be prevented from being dispersed, thereby better heating the airflow in the heating groove 15, and the heating efficiency can be effectively improved.

[0030] like Figure 3As shown, a plurality of fixing members 16 made of elastic high-temperature resistant materials such as high-temperature alloys and stainless steel are arranged at intervals in the heating groove 15, one end of the fixing member 16 is provided with a bending portion 161 for fixing the second heating assembly 50, and the other end is provided with a fixing portion 162 fixedly connected to the bottom wall of the heating groove 15 by a fastener, the fixing portion 162 is provided with a limiting portion 163 extending toward the bottom wall of the heating groove 15, the bottom wall of the heating groove 15 is provided with a limiting hole 151 matching the limiting portion 163, and the limiting portion 163 is suitable for extending into the limiting hole 163. The air fryer can effectively improve the connection stability of the second heating component 50 by arranging a plurality of the fixing members 16 in the heating groove 15 to fix the second heating component 50; at the same time, the fixing member 16 is fixed by a fastener, and the limiting portion 163 is provided on the fixing portion 162 of the fixing member 16, which can not only achieve the fixation of the fixing member 16, but also limit the fixing member 16, which can effectively improve the connection stability and structural reliability of the fixing member 16.

[0031] like Figure 3 As shown, in an optional embodiment, a temperature sensor is provided in the heating groove 15, and the temperature sensor is preferably an NTC sensor. A fuse is provided on the outer wall of the heating groove 15, and the fuse is suitable for being electrically connected to the temperature sensor and the control circuit of the machine body. By providing the temperature sensor in the heating groove 15, the temperature at the bottom of the cooking cavity 11 can be monitored to prevent the temperature in the cooking cavity 11 from being too high; at the same time, by providing the fuse on the outer wall of the heating groove 15, when the temperature sensor detects that the temperature in the heating groove 15 is too high, the control circuit of the air fryer is automatically disconnected, thereby reducing the temperature in the cooking cavity 11, which can effectively improve the safety of use and the cooking effect.

[0032] like Figure 1As shown, the body 10 is provided with a heat dissipation duct 17 located outside the cooking cavity 11, and both ends of the heat dissipation duct 17 are suitable for connecting to the atmosphere. A heat dissipation fan system is provided in the heat dissipation duct 17, and the heat dissipation fan system is suitable for sucking external cold air into the heat dissipation duct 17 to form a heat dissipation cold flow, thereby dissipating the heat of the body 10, and the outer wall of the heating groove 15 is at least partially located in the heat dissipation duct 17. In the air fryer, by arranging the heat dissipation duct 17 on the outside of the cooking cavity 11, the heat dissipation of the body 10 can be achieved, which not only can prevent the body 10 from being overheated, but also can ensure the normal operation of the electrical components in the body 10, and can effectively improve the use safety and performance reliability of the air fryer product; at the same time, at least part of the outer wall of the heating groove 15 is arranged in the heat dissipation duct 17, and the heat dissipation cold flow in the heat dissipation duct 17 can be used to dissipate the outer wall of the heating groove 15, thereby preventing the high-temperature heat in the heating groove 15 from being transferred to the outside of the heating groove 15, thereby affecting the normal operation of other electrical components outside the heating groove 15, and can effectively improve the performance stability of the air fryer.

[0033] like Figure 3 As shown, in an optional embodiment, the side wall of the heating groove 15 is preferably an arc-shaped flow guide structure extending obliquely from the bottom to the outside of the top. By setting the side wall of the heating groove 15 as an arc-shaped flow guide structure, the circulating heat flow in the hot air gap 12 can efficiently enter and exit the heating groove 15, so as to be heated by the second heating assembly 50, which can not only effectively improve the heat flow circulation efficiency in the cooking cavity 11, but also effectively improve the cooking efficiency.

[0034] like Figure 1 As shown, a visual port 18 is provided at the top of the cooking cavity 11, and a window assembly 19 is provided in the visual port 18 to close the visual port 18, and the window assembly 19 at least partially corresponds to the top opening of the frying basket 30. In the air fryer, the window assembly 19 is preferably made of a high-temperature resistant transparent material such as high-temperature resistant transparent glass or high-temperature resistant transparent plastic. By providing the visual port 18 at the top of the cooking cavity 11 and providing the window assembly 19 made of a high-temperature resistant transparent material to close the visual port 18 at the visual port 18, the situation in the cooking cavity 11 can be visualized while closing the visual port 18, so that the user can visually observe the cooking state of the food in the cooking cavity 11 through the visual port 18, thereby better cooking can be performed, and the cooking effect and cooking experience can be effectively improved.

[0035] like Figure 1As shown, the first heating component 40 includes a heating tube 41, and the heating tube 41 is preferably a light wave tube, and the heating tube 41 is preferably arranged around the outer edge of the visual port 18. By using a light wave tube as the heating tube 41, the heating tube 41 can illuminate the cooking cavity 11 while heating the air in the cooking cavity 11, thereby improving the visibility and visual effect of the cooking cavity 11; at the same time, by arranging the heating tube 41 around the outer edge of the visual port 18, the light generated by the heating tube 41 will not interfere with the visibility of the visual port 11, which can effectively improve the visibility and visual effect of the air fryer.

[0036] The above content is a further detailed description of the utility model in combination with specific preferred implementation methods, and the purpose of the utility model has been fully and effectively achieved. Those skilled in the art should understand that the embodiments of the utility model described above and shown in the accompanying drawings are only examples and do not limit the utility model. For ordinary technicians in the technical field to which the utility model belongs, several simple deductions or substitutions can be made without departing from the utility model, which should be regarded as belonging to the scope of patent protection determined by the claims submitted for the utility model.

Claims

1. A three-dimensional heating air fryer, comprising a body, a cooking cavity arranged in the body, and a hot air circulation system connected to the cooking cavity for conveying a circulating airflow into the cooking cavity, characterized in that: A frying basket with an open top is provided in the cooking cavity, a first heating component is provided above the frying basket, the hot air circulation system has an air outlet and an air intake port, and the airflow in the air outlet is suitable for being heated by the first heating component after entering the cooking cavity and flowing into the frying basket through the open top of the frying basket; a second heating component is provided below the frying basket, a hot air gap connected to the air intake port is formed between the outer wall of the frying basket and the inner wall of the cooking cavity, a hot air hole connected to the hot air gap is provided at the lower part of the frying basket, and the second heating component is arranged in the hot air gap.

2. A three-dimensional heating air fryer according to claim 1, characterized in that: The top of the cooking cavity is provided with an annular air guide cavity which is concave upward and opens downward, and the air guide cavity is suitable for being connected to the air outlet. The top opening of the frying basket is at least partially located directly below the air guide cavity, and the first heating component is provided in the air guide cavity and around the inner wall of the air guide cavity.

3. A three-dimensional heating air fryer according to claim 1, characterized in that: The frying basket comprises a frying basket body and a mesh plate matched with the frying basket body. The bottom of the frying basket body has a bottom opening, a supporting structure is provided inside the bottom opening, the mesh plate is detachably limited on the supporting structure, and a plurality of hot air holes are provided on the mesh plate.

4. The three-dimensional heating air fryer according to claim 1, characterized in that: A downwardly recessed heating groove is provided at the bottom of the cooking cavity, and the second heating component is suspended in the heating groove.

5. A three-dimensional heating air fryer according to claim 4, characterized in that: A plurality of fixing parts made of elastic high-temperature resistant material are arranged at intervals in the heating groove, one end of the fixing part is provided with a bending portion for fixing the second heating component, and the other end is provided with a fixing portion fixedly connected to the bottom wall of the heating groove by a fastener, the fixing portion is provided with a limiting portion extending toward the bottom wall of the heating groove, the bottom wall of the heating groove is provided with a limiting hole matching the limiting portion, and the limiting portion is suitable for extending into the limiting hole.

6. The three-dimensional heating air fryer according to claim 4, characterized in that: A temperature sensor is arranged in the heating tank, and a fuse is arranged on the outer wall of the heating tank. The fuse is suitable for being electrically connected to the temperature sensor and the control circuit of the machine body.

7. The three-dimensional heating air fryer according to claim 4, characterized in that: The body is provided with a heat dissipation duct located outside the cooking cavity, and at least a part of the outer wall of the heating groove is located in the heat dissipation duct.

8. The three-dimensional heating air fryer according to claim 4, characterized in that: The side wall of the heating tank is an arc-shaped flow-guiding structure extending obliquely from the bottom to the outside of the top.

9. A three-dimensional heating air fryer according to any one of claims 1 to 8, characterized in that: A visual port is arranged at the top of the cooking cavity, a window assembly for closing the visual port is arranged inside the visual port, and the window assembly at least partially corresponds to the top opening of the frying basket.

10. The three-dimensional heating air fryer according to claim 9, characterized in that: The first heating component comprises a heating tube, the heating tube is a light wave tube, and the heating tube is suitable for being arranged around the outer edge of the viewing port.

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