Up-and-down baking type air frying oven with tile-stacked type oil receiving lattice structure

Abstract

The invention relates to an up-and-down baking type air frying oven with a tile-stacked type oil receiving lattice structure, which realizes the function of heating and baking up and down of the air frying oven or an air frying pan by virtue of the unique tile-stacked type oil receiving lattice structure and a bottom layer electric heating assembly mounted below the tile-stacked type oil receiving lattice structure. Hot air flow formed by vertical heating enables the temperature of hot air in the air frying oven or the frying and roasting pan to be more uniform, and the phenomenon that the upper surface effect of fried food cooked by an existing air frying oven or frying and roasting pan in the market is good, and the lower surface effect is not good enough is improved. The defect that the existing air frying ovens or frying pans on the market are difficult to provide balanced frying and baking for two or more layers of food is overcome, and the air frying ovens or the air frying pans which are really free from the reverse side can be produced by adopting the technical scheme of the air frying ovens or the air frying pans which are really free from the reverse side.

Description

Technical Field

[0001] The invention belongs to the field of kitchen utensil manufacturing, in particular to an upper and lower baking air frying oven with a tile-stacked oil receiving grid structure. Background Art

[0002] Figure 1 The invention discloses a schematic diagram of the main structure of an air frying oven currently available on the market, wherein the basic structure comprises an oil receiving grid (100), a bottom frying and baking grid (200), an upper frying and baking grid (300), an electric heating device (400), a fan (500), a fan motor (600), a control system and an operation panel (700).

[0003] The air frying oven of this structure has a bottom plate-type oil collecting grid (100) which only has the function of collecting oil or water drops, but does not have the function of allowing air to flow through the oil collecting grid. Therefore, the air frying oven can only have an electric heating device (400) on the top, and relies on the rotation of the fan (500) to stir the air, so that the hot air sinks along the side wall area of ​​the air frying oven and then rises along the central area of ​​the air frying oven. This forms a flow pattern in which the temperature of the upper layer of the frying pan is higher and the temperature of the lower layer is lower, and there is a high temperature gradient between the upper and lower layers, thereby causing the phenomenon that the upper surface of the food has a better frying and baking effect, while the frying and baking effect of the lower surface is poor. In particular, there is a defect that two or more layers of food cannot be fried and baked evenly. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the existing air fryer oven and provide an upper and lower baking air fryer oven or frying pan with a tile stacking oil receiving grid structure, and the technical solution is as follows: See also Figure 2 and Figure 3 , a top-bottom baking type air frying oven with a tile-stacked oil receiving grid structure, the main structure of which includes a box body, a frying and baking grid, an electric heating device, a control system and an operation panel, and also includes a tile-stacked oil receiving grid structure and a bottom electric heating component arranged below the tile-stacked oil receiving grid structure, the tile-stacked oil receiving grid structure at least includes an upper tile layer component and a lower tile layer component arranged in an overlapping manner in a vertical direction, and the upper tile layer component and the lower tile layer component respectively include a plurality of upper tile members and lower tile members arranged in an interval-arranged manner, the upper tile members and the lower tile members are stacked in an interval-staggered manner, and the lower tile member is provided with a concave groove for storing a small amount of liquid, the function of the concave groove is to retain a small amount of oil droplets or water droplets flowing down from the fried and baked food.

[0005] See also Figure 5The projection area of ​​each upper tile component in the vertical direction can completely cover the spacing space between the two adjacent lower tiles; so that the oil droplets or water droplets dripping through the spacing space of the upper tile component will eventually fall into the concave grooves of each lower tile component in the lower tile layer component and remain, and the overlapping vertical spacing of the upper tile component and the lower tile layer component allows the hot air below to smoothly pass through the tile stacking oil receiving grid structure to reach the frying and baking space inside the frying oven.

[0006] Figure 5 The small grey dots in the image represent oil or water droplets, and the small upward arrows represent thermals rising through the oil grid.

[0007] See also Figure 3 The upper tile and the lower tile are of a straight grid structure or a regular or irregular curved structure along a straight line direction, and are arranged in intervals; Alternatively, see Figures 6a to 6c The upper tile and the lower tile are concentric but different-sized tile ring structures or tile plate structures, and the shapes of the tile ring structure and the tile plate structure are one or a combination of two or more of a circular ring, a nearly circular ring, a rectangular ring, a nearly circular or a rectangular shape; the function of the concave tile ring structure and the tile plate structure is to retain a small amount of oil droplets or water droplets that flow down from the fried or roasted food through the middle space of the innermost tile ring.

[0008] See also Figure 6e , the cross section of the upper tile is a horizontally extending plane structure, or, see Figure 4a As shown, it is a slope structure with one side high and the other side low, or an umbrella-shaped structure with a high middle and two sides sinking and extending, or an arched structure, or an arc-shaped structure; the cross-section of the lower tile is a groove-shaped structure with a low middle and two sides rising and extending.

[0009] See also Figure 6d to Figure 6g The center position of the lower tile ring assembly can be a concave tile plate with an opening facing upward, and the cross-section of the concave tile plate is a concave arc or curve with a low middle and upward edges.

[0010] See also Figure 6h and Figure 6i The center position of the upper tile ring assembly can be an upper tile plate whose vertical downward projection area along its edge is sufficient to cover the central space of the lower minimum-sized tile ring. The upper tile plate is a convex tile, a flat tile, or a concave tile.

[0011] The upper tile of the umbrella-shaped structure includes two inclined surfaces, see Figure 4b , the two inclined planes have the same length and inclination angle, or, see Figure 4d and 4e , one of the inclined planes is longer than the other inclined plane, but the inclination angle is smaller than the other inclined plane; or / and, see Figure 4cThe upper tile of the arc-shaped structure includes two arc surfaces with two sides bent downward; or / and, see Figure 4f The upper tile of the arched structure includes a flat top surface and two side inclined surfaces connected to the side edges of the flat top surface.

[0012] See also Figures 4a to 4f The groove-shaped structure is an arc shape with an upwardly curved edge, or an open trapezoid with an upwardly curved edge, or an open triangle with an upwardly curved edge, or other shapes with an upwardly curved edge.

[0013] See also Figures 6d to 6i , cross-sectional diagrams of six typical combinations of tile ring structures or tile disc structures are given respectively. In fact, there may be more combinations.

[0014] See also Figure 2 The electric heating component includes a bottom electric heating device, which may or may not include a wind wheel and a wind wheel motor for stirring the hot air flow.

[0015] An oil receiving grid receiving structure is arranged at the bottom of the inner cavity of the box body. The stacked oil receiving grid structure can be detachably installed in the inner cavity of the box body through the oil receiving grid receiving structure, so that the frying oven can be conveniently placed in or taken out.

[0016] An assembly frame is provided between the upper tile assembly and the lower tile assembly, and the upper tile assembly and the lower tile assembly are integrally connected via the assembly frame, or connected into a separable assembly structure via the assembly frame.

[0017] See also Figure 8 The frying and baking grid is composed of a frying and baking basket with a grid-shaped or mesh-shaped bottom; the side or top surface of the box body is provided with an inlet and outlet connected to the inner cavity of the box body, and the frying and baking basket can be detachably moved in and out of the inner cavity of the box body by side pulling or by sinking from above through the inlet and outlet.

[0018] The control system is connected to the upper electric heating component, the bottom electric heating component, and the temperature sensor in the box. The control system realizes various frying and baking functions of the upper and lower baking air fryer or air fryer by regulating the power and duration of the electric heating device. The beneficial effects of the present invention are:

[0019] 1. It improves the phenomenon that the upper surface of the existing air fryer or air fryer on the market has a better frying effect, but the lower surface has a poor frying effect.

[0020] 2. It makes up for the defect that the existing air fryer ovens or air fryer pans on the market cannot fry or bake two or more layers of food evenly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the basic structure of the air fryer oven products currently on the market.

[0022] Figure 2 It is a structural schematic diagram of an air frying oven adopting a tile-stacked oil collecting grid structure.

[0023] Figure 3 It is a structural schematic diagram of the arrangement and overlapping state of the grid-shaped upper tile layer components and the lower tile layer components.

[0024] Figures 4a to 4f They are schematic diagrams of the cross-sectional shapes of the grid-shaped upper tile layer assembly and the lower tile layer assembly respectively.

[0025] Figure 5 It is a schematic diagram of the functional effects of oil separation and hot air flow through the tile-stacked oil collecting grid structure.

[0026] Figure 6a , Figure 6b and Figure 6c The diagrams are schematic diagrams of the structure in which the upper tile ring, the lower tile ring and the lower tile plate of the annular structure are stacked together.

[0027] Figure 6d to Figure 6i The cross-sectional diagrams are of six typical combinations of an upper tile ring, a lower tile ring and a lower tile plate or an upper tile plate of an annular structure.

[0028] Figure 7 The diagram is a basic structure of a frying oven and a schematic diagram of upper and lower hot air flow cycles in the first embodiment.

[0029] Figure 8 It is a schematic diagram of the basic structure of the frying and baking pan of the second embodiment and the upper and lower hot air flow circulation.

[0030] Figure 1 The reference numerals are: 100 is an oil receiving grid, 200 is a lower frying and baking grid, 300 is an upper frying and baking grid, 400 is an electric heating device, 500 is a wind wheel, 600 is a wind wheel motor, and 700 is a control system and an operation panel.

[0031] Figures 2 to 8 The reference numerals are: 10 is a tile stacking oil receiving grid structure, 10-1 is an upper tile layer assembly, 10-1-1 is an upper strip tile, 10-2 is a lower tile layer assembly, 10-2-1 is a lower strip tile, 10-3-1 is an upper tile ring, 10-3-2 is an upper tile plate, 10-4-1 is a lower tile ring, and 10-4-2 is a lower tile plate; 20 is a frying and roasting grid, 21 is a fried and roasted food, 30-1 is an upper electric heating device, 30-1-1 is an upper wind wheel, 30-1-2 is an upper wind wheel motor, 30-2-1 is a bottom electric heating device, 30-2-2 is a lower wind wheel, and 30-2-3 is a lower wind wheel motor; 40 is a control system and an operation panel of the frying oven, 50 is a housing of the frying oven, 60 is a pot body of the frying pan, 70 is a frying basket of the frying pan, and 80 is a control system and an operation panel of the frying pan.

[0032] Figure 5 , Figure 7 and Figure 8 In the figure, 00 represents oil droplets or water droplets, the 01 arrow line represents the downward hot air flow generated by the upper electric heating component, and the 02 arrow line represents the upward hot air flow generated by the bottom electric heating component. DETAILED DESCRIPTION

[0033] The present invention will be further described below in conjunction with the accompanying drawings and embodiments. Specific embodiment one:

[0034] like Figure 7 As shown: the main structure of the first embodiment includes a box body 50, a frying and roasting grid 20, an upper electric heating device 30-1, an upper wind wheel 30-1-1 and a motor and 30-1-2, a bottom electric heating device 30-2-1, a lower wind wheel 30-2-2 and a motor 30-2-3, a control system and an operation panel 40.

[0035] See also Figure 3 The tile stacking oil collecting grid structure 10 of this embodiment adopts an upper tile layer assembly and a lower tile layer assembly of a grid structure. The upper tile layer assembly is composed of 9 upper tile components, and the upper tile component is an upper strip tile 10-1-1. The lower tile layer assembly is composed of 10 lower tile components, and the lower tile component is a lower strip tile 10-2-1.

[0036] For a large frying oven, each lower strip tile 10-2-1 of the lower tile layer assembly can be made to be slightly tilted downward toward the front end or the rear end, and another concave oil collecting groove is connected horizontally below one end of the 10 lower strip tiles 10-2-1 with a low tilt, so that the oil and water of each lower strip tile 10-2-1 can flow into the newly added oil collecting groove and collect, which is more convenient for cleaning.

[0037] The bottom layer electric heating device 30-2-1 and the lower wind wheel 30-2-2 are arranged below the tile-stacked oil receiving grid structure.

[0038] The frying and roasting process of this embodiment: Put the fried food 21 in the frying oven, select the frying temperature and frying time on the operation panel, start the frying oven, and the hot air flow 01 generated by the upper electric heating component diffuses from the upper side to the lower side. The hot air flow 02 generated by the bottom electric heating device 30-2-1 passes through the tile-stacked oil receiving grid structure 10 and diffuses from the lower side to the upper side. The downward and upward hot air flows intersect and converge in the middle space of the frying oven, so that the temperature of the upper layer, the temperature of the middle layer and the temperature of the lower layer in the box are relatively consistent, and the upper and lower surfaces and the surrounding surfaces of the food 21 are fried and baked at a relatively balanced temperature.

[0039] 00 represents oil droplets or water droplets, 01 arrow line represents the downward hot air flow generated by the upper electric heating component, and 02 arrow line represents the upward hot air flow generated by the bottom electric heating component.

[0040] The oil droplets or water droplets 00 generated by the fried or roasted food 21 are retained in the concave grooves of the lower tile assembly through the gaps of the upper tile assembly and will not drip onto the bottom electric heating device 30-2-1.

[0041] After frying and roasting for a set time, the upper surface, the lower surface and the surrounding surface of the fried food 21 all obtain a relatively balanced frying and roasting effect, truly achieving high-quality frying and roasting without turning over or roasting.

[0042] After frying and baking, the tile stacking oil receiving grid structure 10 can be conveniently taken out from the frying oven, and the upper tile layer assembly 10-1 and the lower tile layer assembly 10-2 can be separated and cleaned. Specific embodiment 2:

[0043] like Figure 8 As shown, the second embodiment uses a tile-stacked oil collecting grid structure for an air fryer, and its main structure includes a pot body 60, a frying basket 70, an upper electric heating device 30-1, an upper wind wheel 30-1-1 and a motor 30-1-2, a bottom electric heating device 30-2-1, a lower wind wheel 30-2-2 and a motor 30-2-3, a control system and an operation panel 80.

[0044] See also Figures 6a to 6c The tile stacking oil collecting grid structure 10 of this embodiment adopts a spiral structure. The upper tile layer assembly 10-3 is composed of two upper tile parts, and the upper tile part is the upper tile ring 10-3-1. The lower tile layer assembly 10-4 is composed of two lower tile parts and a lower tile plate 10-4-2 with an opening facing upward, and the lower tile part is the lower tile ring 10-4-1.

[0045] The stacked oil receiving grid structure 10 and the frying and roasting basket 70 are of separate structures.

[0046] The stacked oil receiving grid structure 10 and the frying and baking basket 70 can be put into or taken out from the edge of the air fryer.

[0047] The bottom layer electric heating device 30-2-1 is arranged below the tile stacked oil receiving grid structure.

[0048] For this embodiment, if the frying pan frying and roasting basket is relatively shallow, only the bottom electric heating device may be provided, and the wind wheel and the wind wheel motor may be omitted.

[0049] The oil droplets or water droplets 00 produced by the fried or roasted food 21 are retained in the concave grooves and the central tile plate of the lower tile ring 10-4-1 through the gaps of the upper tile ring 10-3-1, and will not drip onto the bottom electric heating device 30-2-1.

[0050] Figure 8 In the figure, 00 represents oil droplets or water droplets, the 01 arrow line represents the downward hot air flow generated by the upper electric heating component, and the 02 arrow line represents the upward hot air flow generated by the bottom electric heating component.

[0051] After frying and baking, the tile-stacked oil collecting grid structure 10 can be taken out from the edge of the air fryer for cleaning.

[0052] The rest of the frying and roasting process of this embodiment is almost the same as that of the first embodiment, and will not be described here in detail.

[0053] It should be noted that the preferred embodiments of the present invention are given in the specification and drawings of the present invention, and are not limited to the embodiments described in the specification. These embodiments are not intended to be additional limitations on the content of the present invention. The purpose of providing these embodiments is to make the understanding of the disclosure of the invention more thorough and comprehensive. In addition, the above-mentioned technical features continue to be combined with each other to form various embodiments not listed above, which are all considered to be within the scope of the specification of the present invention; further, for ordinary technicians in this field, they can be improved or transformed according to the above description, and all these improvements and transformations should belong to the scope of protection of the claims attached to the present invention.

Claims

1. An upper and lower baking type air frying oven with a tile-stacked oil receiving grid structure, the main structure of which includes a box body (50), a frying and baking grid (20), an electric heating device (30), a control system and an operation panel (40), and the characteristics are: It also includes a tile stacking oil receiving grid structure (10) and a bottom electric heating component (30-2) arranged below the tile stacking oil receiving grid structure, wherein the tile stacking oil receiving grid structure (10) at least includes an upper tile layer component (10-1) and a lower tile layer component (10-2) arranged in an overlapping manner in a vertical direction, and the upper tile layer component (10-1) and the lower tile layer component (10-2) respectively include a plurality of upper tile components and lower tile components arranged in an interval arrangement, the upper tile components and the lower tile components are stacked in an interval staggered manner, and the lower tile component is provided with a concave groove for storing a small amount of liquid.

2. According to claim 1, the upper and lower baking type air fryer with a stacked oil receiving grid structure is characterized in that: The projection area of ​​each upper tile along the vertical direction can completely cover the interval space between the two adjacent lower tiles.

3. The upper and lower baking type air fryer with a stacked oil receiving grid structure according to claim 1, characterized in that: The upper tile and the lower tile are of a straight bar grid structure or a regular or irregular curved structure along a straight line direction, and are arranged at intervals, or the upper tile and the lower tile are of a concentric but different scale tile ring structure or a tile plate structure, and the shape of the tile ring structure and the tile plate structure is one or a combination of two or more of a circular ring, a nearly circular ring, a rectangular ring, a nearly circular or a rectangular shape.

4. The upper and lower baking type air fryer with a tile stacking oil receiving grid structure according to claim 3, characterized in that: The cross section of the upper tile is a horizontally extending plane structure, or an inclined structure with one side high and the other side low, or an umbrella-shaped structure with a high middle and two sides sinking and extending, or an arched structure, or an arc-shaped structure; the cross section of the lower tile is a trough-shaped structure with a low middle and two sides rising and extending.

5. The upper and lower baking type air fryer with a stacked oil receiving grid structure according to claim 4, characterized in that: The upper tile of the umbrella-shaped structure comprises two inclined surfaces, the two inclined surfaces have the same length and inclined angle, or one inclined surface is longer than the other inclined surface but has a smaller inclined angle than the other inclined surface; Or / and, the upper tile of the arc-shaped structure comprises an arc surface with two sides bent downward; Or / and, the upper tile of the arched structure includes a flat top surface and two side inclined surfaces connected to the side edges of the flat top surface.

6. The upper and lower baking type air fryer with a stacked oil receiving grid structure according to claim 4, characterized in that: The groove-shaped structure is an arc shape with an upwardly curved edge, or an open trapezoid with an upwardly curved edge, or an open triangle with an upwardly curved edge, or other shapes with an upwardly curved edge.

7. The air fryer with a stacked oil receiving grid structure according to claim 1, characterized in that: The bottom layer electric heating component (30-2) comprises a bottom layer electric heating device (30-2-1), which may or may not include a wind wheel (30-2-2) and a wind wheel motor (30-2-3) for stirring the hot air flow.

8. The air fryer with a stacked oil receiving grid structure according to claim 1, characterized in that: An oil receiving grid receiving structure is provided at the bottom of the inner cavity of the box body, and the stacked oil receiving grid structure (10) is detachably installed in the inner cavity of the box body via the oil receiving grid receiving structure.

9. The upper and lower baking type air fryer with a tile stacking oil receiving grid structure according to claim 1, characterized in that: An assembly frame is provided between the upper tile assembly (10-1) and the lower tile assembly (10-2); the upper tile assembly (10-1) and the lower tile assembly (10-2) are integrally connected via the assembly frame, or are connected via the assembly frame to form a separable assembly structure.

10. The air fryer with a stacked oil receiving grid structure as claimed in claim 1, characterized in that: The frying and baking grid (20) is composed of a frying and baking basket with a grid-shaped or mesh-shaped bottom; an inlet and outlet connected to the inner cavity of the box body are provided on the side or top surface of the box body, and the frying and baking basket can be detachably inserted into and out of the inner cavity of the box body by pulling out from the side through the inlet and outlet, or can be detachably inserted into and out of the inner cavity of the box body by sinking from the top.

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