Heat exchange components, cooking equipment

Abstract

The present invention provides a heat exchange component and a cooking device. The heat exchange component is suitable for driving air to flow in the cooking device, and includes: a fan blade; a motor connected to the fan blade and suitable for driving the fan blade to rotate; an air guide cover arranged between the fan blade and the motor; wherein at least a portion of the motor is embedded in the air guide cover, and at least a portion of the air guide cover is embedded in the fan blade. The cooking device includes: a cooking device cavity; a heating device; a heat exchange component, suitable for driving air flow, so that heat exchange is performed between the heating device and the cooking device cavity. The present invention can reduce the axial height or thickness of the heat exchange component while ensuring the heat exchange effect, thereby reducing the space volume occupied by the heat exchange component and improving the volumetric ratio of the entire cooking device.

Description

Technical Field

[0001] The present invention relates to the technical field of cooking equipment, and in particular to a heat exchange component and a cooking equipment. Background Art

[0002] At present, hot air heat exchange systems have been increasingly used in cooking equipment such as ovens, steamers, and fryers. Hot air heat exchange cooking equipment uses hot air heat exchange components such as blowers and fans to drive air to flow in the cooking equipment to transfer the heat generated by the heating equipment to the cooking cavity of the cooking equipment to heat the ingredients. Cooking equipment using hot air heat exchange has the advantage of uniform heating, so it is popular with consumers.

[0003] However, such cooking devices in the related art still have the following shortcomings: the hot air heat exchange cooking device needs to be equipped with a hot air heat exchange component and a cooling component for the hot air heat exchange component. The cooling component is used to cool the motor and other parts in the hot air heat exchange component to protect the electronic components in the hot air heat exchange component. Therefore, the hot air heat exchange cooking device in the related art is relatively large in size and occupies a relatively large space, which affects the user experience. Summary of the invention

[0004] The present invention aims to solve at least one of the above technical problems.

[0005] To this end, a first object of the present invention is to provide a heat exchange component.

[0006] A second object of the present invention is to provide a cooking device.

[0007] To achieve the first purpose of the present invention, an embodiment of the present invention provides a heat exchange component suitable for driving air to flow in a cooking device, comprising: fan blades; a motor connected to the fan blades and suitable for driving the fan blades to rotate; an air guide cover arranged between the fan blades and the motor; wherein at least a portion of the motor is embedded in the air guide cover, and at least a portion of the air guide cover is embedded in the fan blades.

[0008] By embedding the motor, air guide cover and fan blades in sequence, the axial height of the heat exchange component is reduced while ensuring the heat exchange effect, thereby reducing the space volume occupied by the heat exchange component and improving the volume ratio of the entire cooking equipment.

[0009] In addition, the technical solution provided by the above embodiment of the present invention may also have the following additional technical features:

[0010] In the above technical solution, the fan blade includes: a rear side wall of the fan blade; a front side wall of the fan blade; a recessed portion, wherein the first side of the recessed portion is recessed from the rear side wall of the fan blade toward the front side wall of the fan blade, and the second side of the recessed portion protrudes outward from the front side wall of the fan blade; wherein at least a portion of the air guide cover is embedded in the first side of the recessed portion.

[0011] The fan blade is embedded with a part of the air guide cover by arranging the recessed part, the embedding structure is compact and the rotation of the fan blade can be ensured.

[0012] In the above technical solution, the air guide cover includes: a rear side wall of the air guide cover; a front side wall of the air guide cover; and a fixing part of the air guide cover, wherein the first side of the fixing part of the air guide cover is recessed from the rear side wall of the air guide cover toward the front side wall of the air guide cover, and the second side of the fixing part of the air guide cover protrudes outward from the front side wall of the air guide cover; wherein at least a portion of the motor is embedded in the first side of the fixing part of the air guide cover, and at least a portion of the second side of the fixing part of the air guide cover is embedded in the fan blade.

[0013] The air guide cover is located between the motor and the fan blades, and the air guide cover fixing part is provided to achieve mutual embedding of the air guide cover, the motor and the fan blades, and the structure is compact.

[0014] In any of the above technical solutions, the shape of the air guide cover fixing portion is one of the following: a truncated cone or a truncated cone.

[0015] The truncated cone or truncated cone-shaped air guide cover fixing portion makes the installation structure combined with the motor more stable.

[0016] In any of the above technical solutions, the air guide cover fixing part includes: a top wall; a side wall, which is arranged around the top wall, one end of which is connected to the periphery of the top wall, and the other end of which extends outward obliquely from the periphery of the top wall, so that an open space is defined between the side wall and the motor.

[0017] By providing an open space, the motor can have a better heat dissipation effect, thereby increasing the service life of the motor.

[0018] In the above technical solution, the air guide cover includes: a first air guide cover; a second air guide cover; wherein at least a part of the motor is embedded in the first air guide cover, at least a part of the first air guide cover is embedded in the second air guide cover, and at least a part of the second air guide cover is embedded in the fan blade.

[0019] The first air guide cover is embedded in the second air guide cover, which reduces the axial height of the air guide cover, and a heat insulation cavity is formed between the first air guide cover and the second air guide cover, which improves the heat insulation performance of the air guide cover.

[0020] In any of the above technical solutions, the heat exchange component also includes: an insulating material, which is arranged between the first air guide cover and the second air guide cover.

[0021] By filling the heat insulating material, the heat insulating performance of the air guide hood is further improved.

[0022] In any of the above technical solutions, the heat exchange component also includes: an air duct heat dissipation component, suitable for driving external air to exchange heat with the motor.

[0023] By providing an air duct heat dissipation component, the motor of the heat exchange component can be cooled quickly and effectively, thereby ensuring the service life of the motor.

[0024] In the above technical solution, the duct heat dissipation component includes: an air duct structure, including an air inlet and an air outlet; a cooling fan blade, arranged at the air inlet; a cooling air motor, connected to the cooling fan blade, suitable for driving the cooling fan blade to rotate; wherein the cooling fan blade drives the external air to enter the air inlet through rotation, and is discharged from the air outlet, so that the external air and the motor can exchange heat.

[0025] By setting the rotating cooling fan blades, the flow rate and intensity of the incoming cold air are increased, and the heat exchange efficiency is further improved.

[0026] In the above technical solution, the outer side wall of the air duct structure is in contact with the motor.

[0027] The motor and air duct structure are made more compact, further reducing the volume occupied by the heat exchange component.

[0028] To achieve the second purpose of the present invention, an embodiment of the present invention provides a cooking device, comprising: a cooking device cavity; a heating device; and a heat exchange component suitable for driving air flow to enable heat exchange between the heating device and the cooking device cavity.

[0029] The cooking device provided by the embodiment of the present invention includes the heat exchange component of any embodiment of the present invention, and thus has all the beneficial effects of the heat exchange component of any embodiment of the present invention, which will not be described in detail here.

[0030] In the above technical solution, the cooking equipment is one of the following: an oven, a steamer, a steam-bake-and-steamer device, a frying oven, and an air fryer.

[0031] Additional aspects and advantages of the present invention will become apparent from the following description or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0033] Figure 1 A schematic diagram of a three-dimensional structure of a cooking device according to some embodiments of the present invention;

[0034] Figure 2 It is a bottom view structural schematic diagram of a heat exchange assembly according to some embodiments of the present invention;

[0035] Figure 3 It is a schematic side view of the structure of the heat exchange assembly of some embodiments of the present invention;

[0036] Figure 4It is a schematic diagram of the exploded structure of the heat exchange assembly of some embodiments of the present invention;

[0037] Figure 5 It is a schematic cross-sectional structural diagram of a heat exchange assembly according to some embodiments of the present invention;

[0038] Figure 6 Schematic diagram of the exploded structure of the heat exchange assembly of other embodiments of the present invention;

[0039] Figure 7 Schematic diagrams of cross-sectional structures of heat exchange components of other embodiments of the present invention;

[0040] Figure 8 A schematic diagram of a top view of a cooking device according to some embodiments of the present invention;

[0041] Fig. 9 It is a schematic diagram of the installation and assembly of the air duct heat dissipation component and the motor in some embodiments of the present invention;

[0042] Fig.10 It is a schematic side view of the structure of the air duct heat dissipation assembly of some embodiments of the present invention;

[0043] Fig.11 Schematic diagram of the composition of cooking equipment according to some embodiments of the present invention.

[0044] The corresponding relationship between the reference numerals and the component names is as follows:

[0045] 10: fan blade, 12: rear side wall of fan blade, 14: front side wall of fan blade, 16: recessed portion, 18: fan blade through hole, 20: motor, 22: motor output shaft, 30: air guide cover, 32: rear side wall of air guide cover, 34: front side wall of air guide cover, 36: air guide cover fixing portion, 38: air guide cover through hole, 40: air duct heat dissipation component, 42: air duct structure, 44: cooling fan blade, 46: cooling motor, 302: first air guide cover, 304: second air guide cover, 362: top wall, 364: side wall, 422: air inlet, 424: air outlet, 500: cooking device, 502: cooking device cavity, 504: heating device, 506: heat exchange component, 508: upper cover, 510: mechanical knob. DETAILED DESCRIPTION

[0046] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0047] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0048] Please refer to Appendix 1 to Fig.11 The technical solutions of some embodiments of the present invention are described.

[0049] The embodiments of the present invention provide some cooking devices and heat exchange components suitable for the cooking devices. Among them, the cooking devices provided by the embodiments of the present invention are cooking devices using a hot air heat exchange system. The cooking devices using a hot air heat exchange system drive air to flow in the cooking devices through the heat exchange components, and continuously apply the hot air heated by the heating device to the food materials to achieve cooking of the food materials. The cooking devices provided by the embodiments of the present invention can be ovens, steamers, steam-bake-in-one devices, deep-fry ovens, and air fryers.

[0050] Among them, Figure 1 As shown, the heat exchange assembly provided in the embodiment of the present invention can be arranged at the top or side of the cooking device 500, such as below the upper cover 508 of the cooking device 500, or at the inner side wall of the cooking device 500. Figure 1 A mechanical oven controlled by a mechanical knob 510 is provided. It can be understood that the heat exchange component provided in the embodiment of the present invention can also be applied to an electrically controlled oven controlled by a control circuit board, or other cooking equipment such as a steamer and an air fryer.

[0051] Since the heat exchange components in the related art are thick and large in size, the cooking equipment has a larger volume and occupies a larger space, which affects the overall structural proportion and appearance of the cooking equipment, and especially reduces the overall volume ratio of the cooking equipment.

[0052] In view of this, embodiments of the present invention provide some heat exchange components, which reduce the overall thickness or height of the heat exchange components through structural improvement, thereby reducing the volume and space occupied by the cooking device.

[0053] Embodiment 1:

[0054] like Figures 2 to 5 As shown, this embodiment provides a heat exchange component, which is suitable for driving air to flow in a cooking device. The heat exchange component of this embodiment includes: a fan blade 10, a motor 20 and an air guide cover 30, wherein the motor 20 is connected to the fan blade 10 and is suitable for driving the fan blade 10 to rotate, the air guide cover 30 is arranged between the fan blade 10 and the motor 20, at least a part of the motor 20 is embedded in the air guide cover 30, and at least a part of the air guide cover 30 is embedded in the fan blade 10.

[0055] Specifically, Figure 5 As shown, the motor 20 is provided with at least a portion of one end of the motor output shaft 22 embedded in the air guide cover 30, the motor output shaft 22 of the motor 20 passes through the air guide cover 30, and is connected to the fan blade 10, and the fan blade 10 is provided with a fan blade through hole 18 suitable for the motor output shaft 22 of the motor 20 to extend into. The motor 20 drives the fan blade 10 to rotate to achieve the driving of hot air. The sequential nesting structure of the motor 20, the air guide cover 30 and the fan blade 10 reduces the height or thickness of the heat exchange component, thereby reducing the volume and space occupied by the heat exchange component.

[0056] Embodiment 2:

[0057] like Figure 4 and Figure 5 As shown, in addition to the technical features of the above-mentioned embodiment 1, this embodiment further includes the following technical features.

[0058] In this embodiment, the fan blade 10 includes: a rear side wall 12, a front side wall 14 and a recessed portion 16, wherein the first side of the recessed portion 16 is recessed from the rear side wall 12 to the front side wall 14, the second side of the recessed portion 16 protrudes outward from the front side wall 14, and at least a portion of the air guide cover 30 is embedded in the first side of the recessed portion 16.

[0059] Among them, the side wall of the fan blade 10 close to the wind guide cover 30 is the fan blade rear side wall 12, the side wall of the fan blade 10 away from the wind guide cover 30 is the fan blade front side wall 14, the first side of the recessed portion 16 is the side transitionally connected to the fan blade rear side wall 12, and the second side of the recessed portion 16 is the side transitionally connected to the fan blade front side wall 14. The recessed portion 16 is arranged in the middle position of the fan blade 10, forming a disc-shaped structure with a concave bottom surface. The concave bottom surface of the recessed portion 16 can be a horizontal plane, and the two sub-blades of the L-shaped fan blade are respectively parallel and perpendicular to the concave bottom surface, and the sub-blades perpendicular to the concave surface can push hot air to generate airflow, and the sub-blades parallel to the concave surface are provided with air holes to disperse the airflow. The fan blade 10 is located in the cavity of the wind guide cover 30, and is spaced a certain distance from the inner wall of the wind guide cover 30, so that the fan blade 10 rotates rapidly under the drive of the motor 20 to send hot air into the cooking device to heat the food.

[0060] Embodiment 3:

[0061] like Figure 4 and Figure 5 As shown, in addition to the technical features of the above embodiments, this embodiment further includes the following technical features.

[0062] The air guide cover 30 includes: a rear side wall 32 of the air guide cover, a front side wall 34 of the air guide cover, and a wind guide cover fixing portion 36. The first side of the air guide cover fixing portion 36 is recessed from the rear side wall 32 of the air guide cover toward the front side wall 34 of the air guide cover, and the second side of the air guide cover fixing portion 36 protrudes outward from the front side wall 34 of the air guide cover. At least a portion of the motor 20 is embedded in the first side of the air guide cover fixing portion 36, and at least a portion of the second side of the air guide cover fixing portion 36 is embedded in the fan blade 10.

[0063] like Figure 3 As shown, the air guide cover 30 is located between the motor 20 and the fan blades 10, and the air guide cover fixing portion 36 is provided to achieve mutual embedding of the air guide cover 30, the motor 20 and the fan blades 10, and the structure is compact.

[0064] Specifically, Figure 4 and Figure 5 As shown, the air guide cover 30 includes a bottom wall and an annular side wall, the annular side wall is arranged at the edge of the bottom wall, and defines a cavity structure together with the bottom wall, and the bottom wall is penetrated by the motor output shaft 22. The side of the air guide cover 30 close to the fan blade in the axial direction of the fan blade 10 is the front side wall 34 of the air guide cover, and the side of the air guide cover 30 away from the fan blade in the axial direction of the fan blade 10 is the rear side wall 32 of the air guide cover, the first side of the air guide cover fixing portion 36 is located on the same side as the rear side wall 32 of the air guide cover, and the second side of the air guide cover fixing portion 36 is located on the same side as the front side wall 34 of the air guide cover. The air guide cover fixing portion 36 is circumferentially arranged around the motor output shaft 22 of the extended motor 20 to form a disc-shaped structure with a concave bottom surface. At least a portion of the second side of the air guide cover fixing portion 36 is embedded in the recessed portion 16 of the fan blade 10. An air guide cover through hole 38 is provided at the center of the air guide cover fixing portion 36 for passing the motor output shaft 22 through the air guide cover 30 to be connected with the recessed portion 16 of the fan blade 10.

[0065] In addition, a groove is provided on the rear side wall 32 of the air guide cover, which is recessed from the first side to the second side. The groove runs through the length to both ends. The air guide cover fixing portion 36 is provided at the bottom of the groove. The setting of the groove can make the motor 20 embedded in the air guide cover 30 extend deeper, which can ensure the wall thickness of the air guide cover 30 and meet its structural strength requirements.

[0066] Embodiment 4:

[0067] like Figure 4 As shown, in addition to the technical features of the above embodiments, this embodiment further includes the following technical features.

[0068] The shape of the air scoop fixing portion 36 is one of the following: a truncated cone or a truncated cone. First, the outwardly protruding portion of the air scoop fixing portion 36 is a truncated cone or a truncated cone, so as to cooperate with the recessed portion 16 and be embedded in the recessed portion 16. Second, the inwardly recessed side wall of the air scoop fixing portion 36 is formed into a truncated cone or a truncated cone, so as to cooperate with the embedded portion of the motor 20, so that the motor 20 is partially embedded in the air scoop fixing portion 36.

[0069] The frustum-shaped or truncated cone-shaped air guide cover fixing portion 36 makes the installation structure combined with the motor 20 more stable, and makes the structure in which the air guide cover fixing portion 36 and the recessed portion 16 of the fan blade 10 are embedded in each other more compactly.

[0070] Embodiment 5:

[0071] like Figure 5 As shown, in addition to the technical features of the above embodiments, this embodiment further includes the following technical features.

[0072] The air guide cover fixing portion 36 includes: a top wall 362 and a side wall 364, wherein the side wall 364 is arranged around the top wall 362, one end of the side wall 364 is connected to the periphery of the top wall 362, and the other end of the side wall 364 extends outward obliquely from the periphery of the top wall 362, so that an open space is defined between the side wall 364 and the motor 20.

[0073] The air guide cover fixing portion 36 is inclined outward from the top wall 362, and the portion of the motor 20 embedded in the air guide cover fixing portion 36 is in contact with the top wall 362, and an open space is formed between the side wall 364, which facilitates the fixation of the portion of the motor 20 embedded in the air guide cover fixing portion 36, and is easy to install. The open space is more conducive to the heat dissipation of the motor 20, which can increase the service life of the motor 20.

[0074] Embodiment 6:

[0075] like Figure 6 and Figure 7 As shown, in addition to the technical features of the above embodiments, this embodiment further includes the following technical features.

[0076] The wind guide cover 30 includes: a first wind guide cover 302 and a second wind guide cover 304, wherein at least a portion of the motor 20 is embedded in the first wind guide cover 302, at least a portion of the first wind guide cover 302 is embedded in the second wind guide cover 304, and at least a portion of the second wind guide cover 304 is embedded in the fan blade 10. The first wind guide cover 302 is embedded in the second wind guide cover 304, which reduces the axial height of the wind guide cover 30.

[0077] Specifically, Figure 7As shown, the first air guide cover 302 includes a bottom wall and an annular side wall, wherein the bottom wall includes an air guide cover rear side wall 32 and an air guide cover front side wall 34, the annular side wall is arranged at the edge of the bottom wall, and together with the bottom wall, defines a cavity structure, and the bottom wall is provided with a motor output shaft 22. The second air guide cover 304 includes a bottom wall and an annular side wall, the annular side wall is arranged at the edge of the bottom wall, and together with the bottom wall, defines a cavity structure, and the bottom wall is provided with a motor output shaft 22. Among them, the edge of the annular side wall of the second air guide cover 304 extends an annular edge to the outside of the cavity structure, the bottom wall and the annular side wall of the second air guide cover 304 are placed in the cavity structure of the first air guide cover 302, and the edge of the annular side wall of the first air guide cover 302 is connected to the annular edge of the second air guide cover 304, so as to define a heat insulation cavity between the first air guide cover 302 and the second air guide cover 304, thereby improving the heat insulation performance of the air guide cover 30.

[0078] In addition, the air guide cover fixing portion 36 is provided on both the first air guide cover 302 and the second air guide cover 304 , and the outwardly protruding portion of the air guide cover fixing portion 36 on the second air guide cover 304 is embedded in the recessed portion 16 .

[0079] Embodiment 7:

[0080] like Figure 6 and Figure 7 As shown, in addition to the technical features of the above embodiments, this embodiment further includes the following technical features.

[0081] The heat exchange assembly further includes a heat insulating material, which is disposed between the first air guide cover 302 and the second air guide cover 304 .

[0082] The heat insulating material can further improve the heat insulating performance of the air duct.

[0083] Embodiment 8:

[0084] like Figures 8 to 10 As shown, in addition to the technical features of the above embodiments, this embodiment further includes the following technical features.

[0085] The heat exchange component also includes an air duct heat dissipation component 40, which is suitable for driving external air to exchange heat with the motor 20 to accelerate the heat exchange efficiency of the heat exchange component, improve the service life of the motor 20 and the safety of the cooking equipment.

[0086] Since the motor 20 gradually heats up during use, the service life of the motor 20 is impaired. In order to extend the service life of the motor 20 and to ensure the safety of the heat exchange component during use and the safety of the cooking device, the present embodiment provides a corresponding air duct heat dissipation component 40 for the heat exchange component.

[0087] Embodiment 9:

[0088] like Figure 8 and Fig. 9 As shown, in addition to the technical features of the above embodiments, this embodiment further includes the following technical features.

[0089] The air duct heat dissipation assembly 40 includes: an air duct structure 42, a cooling fan blade 44 and a cooling motor 46, wherein the air duct structure 42 includes an air inlet 422 and an air outlet 424, the cooling fan blade 44 is arranged at the air inlet 422, and the cooling motor 46 is connected to the cooling fan blade 44 and is suitable for driving the cooling fan blade 44 to rotate. The cooling fan blade 44 drives the external air to enter the air inlet 422 and be discharged from the air outlet 424 by rotating, so that the external air and the motor 20 perform heat exchange.

[0090] Specifically, the air duct structure 42 is in a curved tube shape, the motor 20 extends into the air duct structure 42, and the cold air motor 46 is disposed in the air inlet 422 to drive the cold air fan blades 44 to rotate, so that the cold air entering the air duct structure 42 from the air inlet 422 is heated after heat exchange with the heated motor 20, and then the heated air is discharged from the air outlet 424. The cold air fan blades 44 rotate continuously under the drive of the cold air motor 46 to continuously send cold air into the air duct structure 42 to exchange heat with the motor 20, thereby achieving the purpose of cooling the motor 20, thereby increasing the service life of the motor 20 and ensuring the safety of the cooking device.

[0091] Embodiment 10:

[0092] like Figure 8 and Fig. 9 As shown, in addition to the technical features of the above embodiments, this embodiment further includes the following technical features.

[0093] The outer side wall of the air duct structure 42 is in contact with the motor 20 , which can improve the cooling effect of the motor 20 and further accelerate the cooling speed.

[0094] Embodiment 11:

[0095] like Figures 1 to 10 As shown, in addition to the technical features of the above embodiments, this embodiment further includes the following technical features.

[0096] The present embodiment provides a heat exchange component, which is suitable for driving air to flow in a cooking device, and includes: a fan blade 10, a motor 20, an air guide cover 30 and an air duct heat dissipation component 40. The motor 20 is connected to the fan blade 10 and is suitable for driving the fan blade 10 to rotate. The air guide cover 30 is arranged between the fan blade 10 and the motor 20. At least a portion of the motor 20 is embedded in the air guide cover 30. At least a portion of the air guide cover 30 is embedded in the fan blade 10. At least a portion of the motor 20 is connected to the air duct heat dissipation component 40. The air duct heat dissipation component 40 is suitable for driving external air to exchange heat with the motor 20.

[0097] Among them, the fan blade 10 includes: a rear side wall 12 of the fan blade, a front side wall 14 of the fan blade and a recessed portion 16, wherein the first side of the recessed portion 16 is recessed from the rear side wall 12 of the fan blade toward the front side wall 14 of the fan blade, and the second side of the recessed portion 16 protrudes outward from the front side wall 14 of the fan blade, and at least a portion of the air guide cover 30 is embedded in the first side of the recessed portion 16.

[0098] The wind guide cover 30 includes: a first wind guide cover 302 and a second wind guide cover 304. At least a portion of the motor 20 is embedded in the first wind guide cover 302, at least a portion of the first wind guide cover 302 is embedded in the second wind guide cover 304, and at least a portion of the second wind guide cover 304 is embedded in the fan blade 10. The first wind guide cover 302 is embedded in the second wind guide cover 304, which reduces the axial height of the wind guide cover 30.

[0099] The first air scoop 302 includes: an air scoop rear side wall 32, an air scoop front side wall 34, an air scoop fixing portion 36 and an annular side wall, and the second air scoop 304 includes: an air scoop rear side wall 32, an air scoop front side wall 34, an air scoop fixing portion 36, an annular side wall and an annular edge. The second air scoop 304 is embedded in the first air scoop 302, and the edge of the annular side wall of the first air scoop 302 is connected to the annular side wall of the second air scoop 304, so as to define a heat insulation cavity between the first air scoop 302 and the second air scoop 304, and the heat insulation cavity is filled with heat insulation material.

[0100] The first side of the air scoop fixing part 36 is recessed from the air scoop rear side wall 32 toward the air scoop front side wall 34, and the second side of the air scoop fixing part 36 is protruded outward from the air scoop front side wall 34. The air scoop fixing part 36 includes: a top wall 362 and a side wall 364. The side wall 364 is arranged around the top wall 362, one end of the side wall 364 is connected to the periphery of the top wall 362, and the other end of the side wall 364 is inclined outward from the periphery of the top wall 362, so that an open space is defined between the side wall 364 and the motor 20. The air scoop fixing part 36 is inclined outward from the top wall 362, and the part of the motor 20 embedded in the air scoop fixing part 36 is in contact with the top wall 362, and an open space is formed between the motor 20 and the side wall 364, so that the part of the motor 20 embedded in the air scoop fixing part 36 is convenient for fixing, and the installation is convenient. The open space is more conducive to the heat dissipation of the motor 20, and the service life of the motor 20 can be increased.

[0101] The air guide cover fixing portion 36 has one of the following shapes: a truncated cone or a truncated cone.

[0102] At least a portion of the motor 20 is embedded in a first side of the air scoop fixing portion 36 of the first air scoop 302, and at least a portion of a second side of the air scoop fixing portion 36 of the second air scoop 304 is embedded in the fan blade 10. The air scoop 30 is located between the motor 20 and the fan blade 10, and the air scoop fixing portion 36 is provided to achieve mutual embedding of the air scoop 30, the motor 20, and the fan blade 10, so that the structure is compact.

[0103] The air duct heat dissipation assembly 40 includes: an air duct structure 42, a cooling fan blade 44 and a cooling motor 46, wherein the air duct structure 42 includes an air inlet 422 and an air outlet 424, the cooling fan blade 44 is arranged at the air inlet 422, and the cooling motor 46 is connected to the cooling fan blade 44, and is suitable for driving the cooling fan blade 44 to rotate. The cooling fan blade 44 drives the external air to enter the air inlet 422 and be discharged from the air outlet 424 by rotating, so that the external air exchanges heat with the motor 20. The air duct heat dissipation assembly 40 is suitable for driving the external air to exchange heat with the motor 20, so as to accelerate the heat exchange efficiency of the heat exchange assembly, improve the service life of the motor 20 and the safety of the cooking device.

[0104] Embodiment 12:

[0105] See also Fig.11 This embodiment provides a cooking device 500, including: a cooking device cavity 502, a heating device 504 and a heat exchange component 506, wherein the heat exchange component 506 is suitable for driving air flow to enable heat exchange between the heating device 504 and the cooking device cavity 502.

[0106] The cooking device 500 further includes an upper cover 508, a bottom and an outer cover, which together define a cooking device cavity 502, wherein a mechanical knob 510 or an electric control knob and a display screen are provided on the top of the outer cover. The heat exchange component 506 is provided between the heating device 504 and the cooking device cavity 502, the heating device 504 heats the air, and the heat exchange component 506 sends the heated air into the cooking device cavity 502 to heat the food and take away the moisture in the cooking device cavity 502.

[0107] The heat exchange component 506 can be arranged on the top of the cooking device cavity 502, which can reduce the height of the whole machine, make the appearance of the whole machine more coordinated, and improve the volume ratio of the whole machine.

[0108] The heat exchange assembly 506 can also be arranged on the side of the cooking device cavity 502, so that the size can be reduced and the appearance of the whole machine is more coordinated.

[0109] In summary, the beneficial effects of the embodiments of the present invention are:

[0110] 1. The nested arrangement of the motor, air guide cover and fan blades in the heat exchange assembly can reduce the volume of the heat exchange assembly, improve the volume ratio of the whole machine, and make the appearance of the whole machine more coordinated.

[0111] 2. The double-layer wind guide cover and the air duct structure can achieve good heat dissipation effect for devices that need heat dissipation, such as motors.

[0112] In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0113] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by terms such as “upper”, “lower”, “left”, “right”, “front” and “back” are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific direction, be constructed and operated in a specific orientation, and therefore, cannot be understood as a limitation on the present invention.

[0114] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0115] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A heat exchange assembly, suitable for driving air to flow in a cooking device, characterized in that: include: Fan blades; A motor connected to the fan blades and adapted to drive the fan blades to rotate; An air guide cover is arranged between the fan blades and the motor; Wherein, at least a portion of the motor is embedded in the air guide cover, and at least a portion of the air guide cover is embedded in the fan blade; The heat exchange component also includes: An air duct heat dissipation component, adapted to drive external air to exchange heat with the motor; The air duct heat dissipation component comprises: Air duct structure, including air inlet and air outlet; Cooling fan blades, arranged at the air inlet; A cooling air motor, connected to the cooling air fan blades, and adapted to drive the cooling air fan blades to rotate; The cooling fan blades rotate to drive the external air into the air inlet and discharge it from the air outlet, so that the external air exchanges heat with the motor; The air duct structure is in a curved tube shape, the motor extends into the air duct structure, and the outer side wall of the air duct structure is in contact with the motor.

2. The heat exchange assembly according to claim 1, characterized in that: The fan blades include: The rear side wall of the fan blade; Front side wall of fan blade; A recessed portion, wherein a first side of the recessed portion is recessed from the rear side wall of the fan blade toward the front side wall of the fan blade, and a second side of the recessed portion is protruded outward from the front side wall of the fan blade; Wherein, at least a portion of the air guide cover is embedded in the first side of the recessed portion.

3. The heat exchange assembly according to claim 1, characterized in that: The air guide cover comprises: The rear side wall of the air guide hood; Front side wall of air guide hood; An air scoop fixing portion, wherein a first side of the air scoop fixing portion is recessed from the rear side wall toward the front side wall of the air scoop, and a second side of the air scoop fixing portion is protruded outward from the front side wall of the air scoop; Wherein, at least a portion of the motor is embedded in a first side of the air guide cover fixing portion, and at least a portion of a second side of the air guide cover fixing portion is embedded in the fan blade.

4. The heat exchange assembly according to claim 3, characterized in that: The shape of the fixing portion is one of the following: Truncated cone or truncated cone.

5. The heat exchange assembly according to claim 3, characterized in that: The fixing portion comprises: top wall; The side wall is arranged around the top wall, one end of which is connected to the periphery of the top wall, and the other end of which extends outward obliquely from the periphery of the top wall, so that an open space is defined between the side wall and the motor.

6. The heat exchange assembly according to claim 1, characterized in that: The air guide cover comprises: The first air guide cover; The second air guide cover; Wherein, at least a part of the motor is embedded in the first air guide cover, at least a part of the first air guide cover is embedded in the second air guide cover, and at least a part of the second air guide cover is embedded in the fan blade.

7. The heat exchange assembly according to claim 6, characterized in that: Also includes: The heat insulating material is arranged between the first air guide cover and the second air guide cover.

8. A cooking device, characterized in that: include: Cooking equipment cavity; Heating device; The heat exchange assembly according to any one of claims 1 to 7 is suitable for driving air flow to enable heat exchange between the heating device and the cooking equipment cavity.

9. The cooking device according to claim 8, characterized in that The cooking device is one of the following: an oven, a steamer, a steam-bake-and-steam device, a frying oven, and an air fryer.

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