Microwave oven

Abstract

The invention relates to the technical field of microwave ovens, and provides a microwave oven which comprises a frame body, a cooking cavity, a first microwave source, a first microwave transmission channel, a first microwave stirrer, a second microwave source, a second microwave transmission channel and a second microwave stirrer, the cooking cavity is arranged on the frame body; the first microwave source is arranged on the frame body; the first microwave transmission channel is arranged on the frame body; the first microwave stirrer is used for circularly shielding or reflecting part of microwaves in the first microwave transmission channel; the first microwave stirrer is positioned on the first microwave transmission channel; the second microwave source is arranged on the frame body; the second microwave transmission channel is arranged on the frame body; the second microwave stirrer is used for circularly shielding or reflecting part of microwaves in the second microwave transmission channel; and the second microwave stirrer is positioned on the second microwave transmission channel.

Description

Technical Field

[0001] The present invention belongs to the technical field of microwave ovens, and more specifically, relates to a microwave oven. Background Art

[0002] In modern cooking equipment, microwave heating equipment (such as microwave ovens) is often needed. Usually, a microwave oven is provided with a microwave source, and the microwave oven has a cooking cavity. The microwaves emitted by the microwave source enter the cooking cavity and heat the food in the cooking cavity. The microwave source is usually arranged on one side of the cooking cavity, and the microwaves emitted by the microwave source enter the cooking cavity from one side of the cooking cavity. The food in the cooking cavity relies on a single microwave source during the heating process, and the microwave source heats the food unevenly. Summary of the invention

[0003] The object of the present invention is to provide a microwave oven to solve the technical problem in the prior art that food in a cooking cavity relies on a single microwave source, resulting in uneven heating of the food.

[0004] To achieve the above object, the technical solution adopted by the present invention is: to provide a microwave oven, comprising:

[0005] Frame;

[0006] A cooking cavity; the cooking cavity is arranged on the frame;

[0007] A first microwave source; the first microwave source is disposed on the frame;

[0008] a first microwave transmission channel; the first microwave transmission channel is arranged on the frame; the first microwave transmission channel is connected to the first microwave source and the top of the cooking cavity;

[0009] a first microwave stirrer; the first microwave stirrer is used for cyclically shielding or reflecting a part of the microwaves in the first microwave transmission channel; the first microwave stirrer is located on the first microwave transmission channel;

[0010] A second microwave source; the second microwave source is disposed on the frame;

[0011] a second microwave transmission channel; the second microwave transmission channel is arranged on the frame; the second microwave transmission channel is connected to the second microwave source and the bottom of the cooking cavity;

[0012] A second microwave stirrer; the second microwave stirrer is used for cyclically shielding or reflecting part of the microwaves in the second microwave transmission channel; the second microwave stirrer is located on the second microwave transmission channel.

[0013] Furthermore, it also includes: a top inlet cavity communicating with the top of the cooking cavity and a bottom inlet cavity communicating with the bottom of the cooking cavity;

[0014] There are multiple first microwave sources; there are multiple first microwave transmission channels; multiple first microwave sources correspond to multiple first microwave transmission channels one by one; each of the first microwave transmission channels intersects at the top inlet cavity; the first microwave stirrer is located in the top inlet cavity;

[0015] There are multiple second microwave sources; there are multiple second microwave transmission channels; multiple second microwave sources correspond to multiple second microwave transmission channels one by one; each of the second microwave transmission channels intersects at the bottom inlet cavity; and the second microwave agitator is located in the bottom inlet cavity.

[0016] Further, the first microwave stirrer comprises:

[0017] A first rotating platform; the first rotating platform is located in the top inlet cavity; the first rotating platform is rotatably arranged on the frame around a first predetermined axis; the first rotating platform has a first through hole for microwaves to pass through;

[0018] The first driving mechanism is used to drive the first rotating platform to rotate; the first driving mechanism is arranged on the frame.

[0019] Furthermore, the first rotating platform includes: a plurality of blades; and the first through holes are respectively formed between adjacent blades.

[0020] Further, the second microwave agitator comprises:

[0021] A second rotating platform; the second rotating platform is located in the bottom inlet cavity; the second rotating platform is rotatably arranged on the frame around a second predetermined axis; the second rotating platform has a second through hole for microwaves to pass through;

[0022] The second driving mechanism is used to drive the second rotating platform to rotate; the second driving mechanism is arranged on the frame.

[0023] Furthermore, it also includes: a reflection plate; the second rotating platform is a disk; the second rotating platform is arranged perpendicular to the predetermined axis; and the reflection plate is arranged on the disk.

[0024] Furthermore, it also includes:

[0025] Exhaust hole; the exhaust hole is opened on the side wall of the cooking cavity;

[0026] An air inlet channel; the air inlet channel is arranged on the frame, and an outlet of the air inlet channel is connected to the top of the cooking cavity;

[0027] A fan; the fan is arranged on the frame, and the fan is located outside the entrance of the air inlet channel;

[0028] Condensation channel; the condensation channel is arranged on the frame, and the condensation channel is connected to the exhaust hole.

[0029] Furthermore, a guide member is provided in the air inlet channel; a ventilation hole is opened in the central area of ​​the guide member; an air flow channel is formed between the outer wall of the guide member and the inner wall of the air inlet channel; the ventilation hole and the air flow channel are respectively connected to the cooking cavity.

[0030] Furthermore, it also includes: a cleaning device for cleaning the bottom wall of the cooking cavity.

[0031] Furthermore, the cleaning device comprises:

[0032] A seat body; the seat body is connected to the frame body;

[0033] Liquid delivery channel;

[0034] A rotating seat; the rotating seat is rotatably arranged on the seat body;

[0035] Brush body; the brush body is arranged on the rotating seat;

[0036] A nozzle; the nozzle is arranged on the rotating seat, and the nozzle is connected to the liquid delivery channel;

[0037] Driver; the driver is used to drive the rotating seat to rotate, and the driver is arranged on the seat body.

[0038] The microwave oven provided by the present invention has the beneficial effects that: compared with the prior art, the microwave oven provided by the present invention has a cooking cavity arranged on the frame; a first microwave source is arranged on the frame, and a first microwave transmission channel is arranged on the frame; the first microwave transmission channel connects the first microwave source and the cooking cavity, and the microwaves emitted by the first microwave source can enter the cooking cavity through the first microwave transmission channel; a second microwave source is arranged on the frame, and a second microwave transmission channel is arranged on the frame; the second microwave transmission channel connects the second microwave source and the cooking cavity, and the microwaves emitted by the second microwave source can enter the cooking cavity through the second microwave transmission channel; the source of the microwaves can be the first microwave source, and the source of the microwaves can also be the second microwave source, and the cooking efficiency can be improved under the joint action of the first microwave source and the second microwave source, and the food is heated more evenly under the heating of the first microwave source and the second microwave source. The first microwave transmission channel connects the top of the cooking cavity, and the second microwave transmission channel connects the bottom of the cooking cavity, so that the first microwave source and the second microwave source can heat the food from the top and bottom of the cooking cavity respectively, so that the food is heated more evenly. The first microwave stirrer can cyclically block or reflect part of the microwaves in the first microwave transmission channel, and the first microwave stirrer can change the distribution state of the microwaves in the first microwave transmission channel; that is, the first microwave stirrer can change the distribution state of the microwaves entering the cooking cavity, so that the distribution state of the microwaves in the cooking cavity can change under the influence of the first microwave stirrer, and the food in the cooking cavity can be cooked by the dynamic microwave state, so that the heating state of the food in the cooking process is more balanced, and long-term local heating of the food is avoided; the second microwave stirrer can cyclically block or reflect part of the microwaves in the second microwave transmission channel, and the second microwave stirrer can change the distribution state of the microwaves in the second microwave transmission channel; that is, the second microwave stirrer can change the distribution state of the microwaves entering the cooking cavity, so that the distribution state of the microwaves in the cooking cavity can change under the influence of the second microwave stirrer, and the food in the cooking cavity can be cooked by the dynamic microwave state, so that the heating state of the food in the cooking process is more balanced, and long-term local heating of the food is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 A three-dimensional schematic diagram of a microwave oven provided by an embodiment of the present invention;

[0040] Figure 2 A schematic diagram of a front view of a microwave oven provided by an embodiment of the present invention;

[0041] Figure 3 for Figure 2 Middle AA section view;

[0042] Figure 4 for Figure 2 Middle BB section view;

[0043] Figure 5 for Figure 2 Middle CC section view;

[0044] Figure 6 A three-dimensional schematic diagram of a microwave oven provided in an embodiment of the present invention (with the fan hidden);

[0045] Figure 7 A three-dimensional schematic diagram of a microwave oven provided in an embodiment of the present invention (with the fan and part of the frame hidden);

[0046] Figure 8 A three-dimensional schematic diagram of a cooking cavity provided by an embodiment of the present invention;

[0047] Fig. 9 A three-dimensional schematic diagram of a disc provided in an embodiment of the present invention;

[0048] Fig.10 A three-dimensional schematic diagram of a microwave oven with a condensation channel provided in an embodiment of the present invention;

[0049] Fig.11 for Fig.10 A cross-sectional view of the fan (the cross-section is arranged vertically and passes through the axis of the fan);

[0050] Fig.12 A cross-sectional view of a fan, a flow guide, and a temperature sensor provided in an embodiment of the present invention (the cross-sectional view is vertically arranged and passes through the axis of the fan);

[0051] Fig.13 A schematic diagram of the assembly of a flow guide member provided in an embodiment of the present invention;

[0052] Fig.14 A three-dimensional schematic diagram of a flow guide member provided in an embodiment of the present invention;

[0053] Fig.15 A schematic front view of a first rotating platform provided in an embodiment of the present invention;

[0054] Fig.16 A schematic front view of a second rotating platform provided in an embodiment of the present invention;

[0055] Fig.17 A three-dimensional schematic diagram of a cleaning device provided by an embodiment of the present invention;

[0056] Fig.18 A cross-sectional schematic diagram of a cleaning device provided in an embodiment of the present invention (the first arrow: (the arrow is a dotted line, the arrow handle is a dotted line) is the liquid flow direction; the second arrow: (the arrow is a solid line, the arrow handle is a dotted line) is the suction direction.);

[0057] Fig.19 A three-dimensional schematic diagram of a rotating table provided in an embodiment of the present invention;

[0058] Fig. 20 A three-dimensional schematic diagram of a nozzle provided in an embodiment of the present invention.

[0059] Among them, the reference numerals in the figure are:

[0060] 1-frame; 11-cooking cavity; 111-partition; 21-first microwave source; 22-first microwave transmission channel; 23-top inlet cavity; 31-second microwave source; 32-second microwave transmission channel; 33-bottom inlet cavity; 41-first rotating table; 411-blade; 412-first through hole; 42-second rotating table; 422-disc; 423-reflection plate; 4231-V-shaped notch; 424-second through hole; 43-first driving mechanism; 431-columnar body; 432-ring gear; 433-first motor; 4331-first output shaft; 434-output gear; 44-second driving mechanism; 441-second output shaft; 51-exhaust hole; 52-air inlet channel; 521-air flow channel; 53-fan; 54-condensation pipe; 541-condensation channel; 542-water collection space; 55-flow guide; 551- Viewing hole; 552-protrusion; 553-ventilation hole; 554-connecting rib; 555-guiding groove; 556-annular folded flange; 56-temperature sensor; 61-base; 611-first shaft; 6111-channel; 612-second columnar cavity; 621-liquid delivery channel; 6211-first pipeline; 6212-second pipeline; 622-negative pressure extraction channel; 6221-third pipeline; 6222 -fourth pipeline; 63-rotating seat; 631-second shaft; 632-first cylindrical cavity; 633-suction hole; 641-brush body; 642-nozzle; 6421-stop surface; 65-driver; 651-third motor; 652-annular transmission belt; 661-first sealing ring; 662-second sealing ring; 67-slide rail; F1-first direction; F2-second direction; F3-third direction; W-microwave beam. DETAILED DESCRIPTION

[0061] It should be noted that the specific embodiments are only used to explain the present invention, and are not used to limit the present invention.

[0062] It should be noted that, in the description of the embodiments of the present application, unless otherwise specified, " / " means or, for example, A / B can mean A or B; "and / or" in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships, for example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. Among them, A and B can be singular or plural respectively.

[0063] It should be noted that when an element is referred to as being "fixed on" or "set on" another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" or "connected to" another element, it may be directly connected to the other element or indirectly connected to the other element. When an element is referred to as being "fixed on" or "set on" another element, it may be directly on the other element or indirectly on the other element.

[0064] It should be noted that the directions or positional relationships indicated by terms such as “length”, “width”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside” and “outside” 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. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limiting the present invention.

[0065] It should be noted that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0066] It should be noted that the term "plurality" means two or more than two, unless otherwise clearly and specifically defined.

[0067] Please also read Figures 1 to 20 The microwave oven provided by the present invention is now described. The microwave oven comprises: a frame 1, a cooking cavity 11, a first microwave source 21, a first microwave transmission channel 22, a first microwave stirrer, a second microwave source 31, a second microwave transmission channel 32, and a second microwave stirrer; the cooking cavity 11 is arranged on the frame 1; the first microwave source 21 is arranged on the frame 1; the first microwave transmission channel 22 is arranged on the frame 1; the first microwave transmission channel 22 connects the first microwave source 21 and the top of the cooking cavity 11; the first microwave stirrer is used to cyclically shield or reflect part of the microwaves in the first microwave transmission channel 22; the first microwave stirrer is located on the first microwave transmission channel 22; the second microwave source 31 is arranged on the frame 1; the second microwave transmission channel 32 is arranged on the frame 1; the second microwave transmission channel 32 connects the second microwave source 31 and the bottom of the cooking cavity 11; the second microwave stirrer is used to cyclically shield or reflect part of the microwaves in the second microwave transmission channel 32; the second microwave stirrer is located on the second microwave transmission channel 32.

[0068] In this way, a cooking cavity 11 is provided on the frame 1; a first microwave source 21 is provided on the frame 1, and a first microwave transmission channel 22 is provided on the frame 1; the first microwave transmission channel 22 connects the first microwave source 21 and the cooking cavity 11, and the microwaves emitted by the first microwave source 21 can enter the cooking cavity 11 through the first microwave transmission channel 22; a second microwave source 31 is provided on the frame 1, and a second microwave transmission channel 32 is provided on the frame 1; the second microwave transmission channel 32 connects the second microwave source 31 and the cooking cavity 11, and the microwaves emitted by the second microwave source 31 can enter the cooking cavity 11 through the second microwave transmission channel 32; the source of the microwaves can be either the first microwave source 21 or the second microwave source 31, and the cooking efficiency can be improved under the joint action of the first microwave source 21 and the second microwave source 31, and the food can be heated more evenly under the heating of the first microwave source 21 and the second microwave source 31.

[0069] In one embodiment, the first microwave transmission channel 22 is connected to the top of the cooking cavity 11, and the second microwave transmission channel 32 is connected to the bottom of the cooking cavity 11, so that the first microwave source 21 and the second microwave source 31 can heat the food from the top and bottom of the cooking cavity 11 respectively, so that the food is heated more evenly.

[0070] In one embodiment, the first microwave stirrer can cyclically block or reflect part of the microwaves in the first microwave transmission channel 22, and the first microwave stirrer can change the distribution state of the microwaves in the first microwave transmission channel 22; that is, the first microwave stirrer can change the distribution state of the microwaves entering the cooking cavity 11, so that the distribution state of the microwaves in the cooking cavity 11 can change under the influence of the first microwave stirrer, and the food in the cooking cavity 11 can be cooked by a dynamic microwave state, so that the heating state of the food during the cooking process is more balanced, and long-term local heating of the food is avoided; the second microwave stirrer can cyclically block or reflect part of the microwaves in the second microwave transmission channel 32, and the second microwave stirrer can change the distribution state of the microwaves in the second microwave transmission channel 32; that is, the second microwave stirrer can change the distribution state of the microwaves entering the cooking cavity 11, so that the distribution state of the microwaves in the cooking cavity 11 can change under the influence of the second microwave stirrer, and the food in the cooking cavity 11 can be cooked by a dynamic microwave state, so that the heating state of the food during the cooking process is more balanced, and long-term local heating of the food is avoided.

[0071] In one embodiment, the first microwave source 21 is a magnetron.

[0072] In one embodiment, the second microwave source 31 is a magnetron.

[0073] In one embodiment, the first microwave source 21 and the second microwave source 31 may emit microwave beams W, respectively.

[0074] In one embodiment, the first microwave transmission channel 22 is any one of a space, a pipe or a groove for microwave transmission.

[0075] In one embodiment, the second microwave transmission channel 32 is any one of a space, a pipe or a groove for microwave transmission.

[0076] In one embodiment, food may be placed in the cooking cavity 11 , or food may be taken out of the cooking cavity 11 .

[0077] In one embodiment, a microwave-permeable baffle 111 is provided at the bottom of the cooking cavity 11. In this way, food can be placed on the baffle 111, and the baffle 111 does not affect the microwave passing through the baffle 111 and heating the food below.

[0078] In one embodiment, the first microwave source 21 is disposed on the top of the frame 1. Thus, the first microwave source 21 is disposed on the top of the frame 1, so that the first microwave source 21 does not occupy the space in the cooking cavity 11.

[0079] In one embodiment, the second microwave source 31 is disposed at the bottom of the frame 1. Thus, the second microwave source 31 is disposed at the bottom of the frame 1, so that the second microwave source 31 does not occupy the space in the cooking cavity 11.

[0080] In one embodiment, the source of microwaves can be either the first microwave source 21 at the top of the rack 1 or the second microwave source 31 at the bottom of the rack 1. The cooking efficiency can be improved by the combined effect of the first microwave source 21 and the second microwave source 31.

[0081] Further, in one embodiment, the first microwave source 21 is located horizontally outside the cooking cavity 11. In this way, the space occupied by the first microwave source 21 directly above the cooking cavity 11 is reduced.

[0082] Further, in one embodiment, the second microwave source 31 is located horizontally outside the cooking cavity 11. In this way, the space occupied by the second microwave source 31 directly below the cooking cavity 11 is reduced.

[0083] Furthermore, in one embodiment, there are multiple first microwave sources 21, multiple first microwave transmission channels 22, and multiple first microwave sources 21 correspond to multiple first microwave transmission channels 22. In this way, multiple first microwave sources 21 can improve cooking efficiency.

[0084] Further, in one embodiment, the number of the first microwave sources 21 is two.

[0085] Furthermore, in one embodiment, there are multiple second microwave sources 31, multiple second microwave transmission channels 32, and multiple second microwave sources 31 correspond one to one with multiple second microwave transmission channels 32. In this way, multiple second microwave sources 31 can improve cooking efficiency.

[0086] Further, in one embodiment, the number of the second microwave sources 31 is four.

[0087] Furthermore, in one embodiment, part of the first microwave transmission channel 22 extends in a horizontal straight line direction; part of the second microwave transmission channel 32 extends in a horizontal straight line direction, so that microwaves can be transmitted along the first microwave transmission channel 22 or the second microwave transmission channel 32 extending in the horizontal straight line direction.

[0088] For further information, see Figures 1 to 20 As a specific embodiment of the microwave oven provided by the present invention, it also includes: a top inlet cavity 23 connected to the top of the cooking cavity 11 and a bottom inlet cavity 33 connected to the bottom of the cooking cavity 11.

[0089] In one embodiment, there are multiple first microwave sources 21; there are multiple first microwave transmission channels 22; multiple first microwave sources 21 correspond to multiple first microwave transmission channels 22; each first microwave transmission channel 22 respectively intersects at the top inlet cavity 23; and the first microwave agitator is located in the top inlet cavity 23. In this way, the microwaves in each first microwave transmission channel 22 are firstly inlet into the top inlet cavity 23, and the top inlet cavity 23 is connected with the top of the cooking cavity 11, and the microwaves in the top inlet cavity 23 can enter the cooking cavity 11 from the top of the cooking cavity 11, so as to heat the food in the cooking cavity 11 from the top.

[0090] In one embodiment, there are multiple second microwave sources 31; there are multiple second microwave transmission channels 32; multiple second microwave sources 31 correspond to multiple second microwave transmission channels 32; each second microwave transmission channel 32 respectively intersects at the bottom inlet cavity 33; and the second microwave agitator is located in the bottom inlet cavity 33. In this way, the microwaves in each second microwave transmission channel 32 are firstly inletted into the bottom inlet cavity 33, and the bottom inlet cavity 33 is connected with the bottom of the cooking cavity 11, and the microwaves in the bottom inlet cavity 33 can enter the cooking cavity 11 from the bottom of the cooking cavity 11, so as to heat the food in the cooking cavity 11 from the bottom.

[0091] For further information, see Figures 1 to 20As a specific embodiment of the microwave oven provided by the present invention, the first microwave agitator includes: a first rotating table 41 and a first driving mechanism 43; the first rotating table 41 is located in the top inlet cavity 23; the first rotating table 41 is rotatably arranged on the frame 1 around a first predetermined axis; the first rotating table 41 has a first through hole 412 for microwaves to pass through; the first driving mechanism 43 is used to drive the first rotating table 41 to rotate; the first driving mechanism 43 is arranged on the frame 1. In this way, the frame 1 is provided with a first microwave source 21, and the first microwave source 21 can emit microwaves for users to heat food; the frame 1 is provided with a first microwave transmission channel 22, and the first microwave transmission channel 22 connects the first microwave source 21 and the cooking cavity 11, and the microwaves emitted by the first microwave source 21 can enter the cooking cavity 11 through the first microwave transmission channel 22, and the microwaves can cook the food in the cooking cavity 11 after entering the cooking cavity 11; the first rotating table 41 is arranged in the top inlet cavity 23, and the frame 1 is provided with a first driving mechanism 43 for driving the first rotating table 41 to rotate, and the first driving mechanism 43 can drive the first rotating table 41 to rotate; the first rotating table 41 has a first through hole 412 for microwaves to pass through, and the first rotating table 41 can change the microwave distribution state in the first microwave transmission channel 22 during the rotation process; that is, the rotating first rotating table 41 can change the distribution state of microwaves entering the cooking cavity 11, so that the microwave distribution state in the cooking cavity 11 can change under the influence of the first rotating table 41, and the food in the cooking cavity 11 can be cooked by a dynamic microwave state, so that the heating state of the food during the cooking process is more balanced, avoiding long-term local heating of the food.

[0092] In one embodiment, a rotating table is disposed in the first microwave transmission channel 22 .

[0093] In one embodiment, the first rotating platform 41 is a one-piece member made of a microwave-impermeable material. In one embodiment, the first rotating platform 41 is a one-piece member made of a microwave-reflective material.

[0094] In one embodiment, the first predetermined axis is disposed vertically.

[0095] In one embodiment, at least two first microwave transmission channels 22 are connected to the top of the cooking cavity 11 after being intersected. In this way, microwaves in at least two first microwave transmission channels 22 can enter the cooking cavity 11 from the top of the cooking cavity 11 after being intersected.

[0096] In one embodiment, the two first microwave transmission channels 22 are connected to the top of the cooking cavity 11 after they are joined. In this way, the microwaves in the two first microwave transmission channels 22 can enter the cooking cavity 11 from the top of the cooking cavity 11 after they are joined.

[0097] In one embodiment, the top inlet cavity 23 is cylindrical; the direction in which each microwave transmission channel is inlet into the top inlet cavity 23 is a first direction F1; the first direction F1 is perpendicular to the axis of the top inlet cavity 23. In this way, the space occupied by the first microwave transmission channel 22 in the axial direction of the top inlet cavity 23 is reduced.

[0098] In one embodiment, at least two second microwave transmission channels 32 are connected to the bottom of the cooking cavity 11 after being joined. In this way, microwaves in at least two second microwave transmission channels 32 can enter the cooking cavity 11 from the bottom of the cooking cavity 11 after being joined.

[0099] In one embodiment, the four second microwave transmission channels 32 are connected to the bottom of the cooking cavity 11 after being intersected. In this way, the microwaves in the four second microwave transmission channels 32 can enter the cooking cavity 11 from the bottom of the cooking cavity 11 after being intersected.

[0100] In one embodiment, the cooking chamber 11 further includes: a bottom inlet cavity 33 connected to the bottom of the cooking chamber 11; and each second microwave transmission channel 32 respectively intersects with the bottom inlet cavity 33. In this way, the microwaves in each second microwave transmission channel 32 are firstly connected to the bottom inlet cavity 33, and the bottom inlet cavity 33 is connected to the bottom of the cooking chamber 11. The microwaves in the bottom inlet cavity 33 can enter the cooking chamber 11 from the bottom of the cooking chamber 11, so that the food in the cooking chamber 11 is heated from the bottom.

[0101] In one embodiment, the cooking cavity 11 is located between the top intake cavity 23 and the bottom intake cavity 33 .

[0102] In one embodiment, two of the second microwave transmission channels 32 form a first group, and the other two second microwave transmission channels 32 form a second group; the two second microwave transmission channels 32 in the first group converge into the bottom convergence cavity 33 in opposite directions, and the two second microwave transmission channels 32 in the second group converge into the bottom convergence cavity 33 in opposite directions. In this way, the relative convergence directions can enhance the energy distribution of microwaves in the bottom convergence cavity 33, and the cross-path design of microwaves helps to improve the interaction between microwaves and food and enhance the energy conversion rate; because the convergence directions of the second microwave transmission channels 32 in each group are opposite, the microwaves meet and cross-distribute in the bottom convergence cavity 33, which can effectively cover a wider area and reduce any dead corners of microwaves in the cooking cavity 11, thereby achieving uniform heating of food.

[0103] In one embodiment, a baffle is provided between the bottom inlet cavity 33 and the cooking cavity 11; a plurality of rectangular holes are provided on the baffle, so that microwaves can be output from the rectangular holes to the cooking cavity 11. Thus, the distribution of microwaves output to the cooking cavity 11 can be regulated through the plurality of rectangular holes.

[0104] In one embodiment, the direction in which the two second microwave transmission channels 32 in the first group merge into the bottom inlet cavity 33 is the second direction F2, and the direction in which the two second microwave transmission channels 32 in the second group merge into the bottom inlet cavity 33 is the third direction F3; the second direction F2 is arranged perpendicular to the third direction F3. In this way, microwaves in mutually perpendicular directions can enter the cooking cavity 11 from different directions after entering the bottom inlet cavity 33. In addition, it is not easy to have dead corners after microwaves in mutually perpendicular directions enter the bottom inlet cavity 33.

[0105] For further information, see Figures 1 to 20 As a specific embodiment of the microwave oven provided by the present invention, the first rotating platform 41 includes: a plurality of blades 411; and first through holes 412 are respectively formed between adjacent blades 411. In this way, microwaves can pass through between adjacent blades 411.

[0106] In one embodiment, the number of blades 411 is three.

[0107] In one embodiment, the blade 411 is a one-piece piece made of a microwave-impermeable material. In one embodiment, the blade 411 is a one-piece piece made of a microwave-reflective material.

[0108] In one embodiment, the three blades 411 are respectively and sequentially arranged around the outside of the predetermined axis. In this way, the three blades 411 can sequentially block the microwaves when rotating around the first predetermined axis.

[0109] In one embodiment, the first driving mechanism 43 includes: a columnar body 431 disposed on the frame 1, a ring gear 432 sleeved on the columnar body 431, a first motor 433 disposed on the frame 1 and having a first output shaft 4331, and an output gear 434 disposed on the first output shaft 4331 and meshing with the ring gear 432; each blade 411 is distributed and fixed on the ring gear 432. In this way, the first output shaft 4331 of the first motor 433 can drive the output gear 434 to rotate, the output gear 434 can drive the ring gear 432 to rotate, and the ring gear 432 can drive the blades 411 to rotate.

[0110] In one embodiment, the axis of the column 431 coincides with the first predetermined axis.

[0111] For further information, see Figures 1 to 20As a specific embodiment of the microwave oven provided by the present invention, the second microwave agitator includes: a second rotating table 42 and a second driving mechanism 44; the second rotating table 42 is located in the bottom inlet cavity 33; the second rotating table 42 is rotatably arranged on the frame 1 around a second predetermined axis; the second rotating table 42 has a second through hole 424 for microwaves to pass through; the second driving mechanism 44 is used to drive the second rotating table 42 to rotate; the second driving mechanism 44 is arranged on the frame 1. In this way, a second microwave source 31 is arranged on the frame 1, and the second microwave source 31 can emit microwaves for users to heat food; a second microwave transmission channel 32 is arranged on the frame 1, and the second microwave transmission channel 32 connects the second microwave source 31 and the cooking cavity 11, and the microwaves emitted by the second microwave source 31 can enter the cooking cavity 11 through the second microwave transmission channel 32, and the microwaves can cook the food in the cooking cavity 11 after entering the cooking cavity 11; a second rotating table 42 is arranged in the bottom inlet cavity 33, and a second driving mechanism 44 for driving the second rotating table 42 to rotate is arranged on the frame 1, and the second driving mechanism 44 can drive the second rotating table 42 to rotate; the second rotating table 42 has a second through hole 424 for microwaves to pass through, and the second rotating table 42 can change the microwave distribution state in the second microwave transmission channel 32 during the rotation process; that is, the rotating second rotating table 42 can change the distribution state of microwaves entering the cooking cavity 11, so that the microwave distribution state in the cooking cavity 11 can change under the influence of the second rotating table 42, and the food in the cooking cavity 11 can be cooked by the dynamic microwave state, so that the heating state of the food is more balanced during the cooking process, avoiding long-term local heating of the food.

[0112] In one embodiment, the second rotating platform 42 is a one-piece member made of a microwave-impermeable material. In one embodiment, the second rotating platform 42 is a one-piece member made of a microwave-reflective material.

[0113] In one embodiment, the second predetermined axis is disposed vertically.

[0114] For further information, see Figures 1 to 20 As a specific embodiment of the microwave oven provided by the present invention, it also includes: a reflective plate 423; the second rotating platform 42 is a disk 422; the second rotating platform 42 is arranged perpendicular to the predetermined axis; and the reflective plate 423 is arranged on the disk 422. In this way, the second rotating platform 42 rotates more smoothly; microwaves can be reflected to different directions after passing through the reflective plate 423, thereby improving the uniformity of microwave transmission.

[0115] In one embodiment, the second through hole 424 is eccentrically disposed on the disk 422. Thus, when the disk 422 rotates, the eccentric second through hole 424 can deliver microwaves to different positions.

[0116] In one embodiment, the number of the second through holes 424 is multiple; at least one second through hole 424 is a circular hole; at least one second through hole 424 has a rounded right angle. In this way, the microwaves can be transported downstream through the second through holes 424 of different shapes.

[0117] In one embodiment, the reflector 423 is in the shape of a long strip, and the central area of ​​the reflector 423 has a bent portion; and / or the edges of both ends of the reflector 423 have chamfered portions, so that microwaves can be reflected in different directions, thereby improving the uniformity of microwave transmission.

[0118] In one embodiment, the reflective plate 423 is in a strip shape, so the reflective plate 423 in the strip shape has a simple structure.

[0119] In one embodiment, the central area of ​​the reflector 423 has a bent portion; and / or the edges of both ends of the reflector 423 have chamfered portions. In this way, microwaves can be reflected to different directions by the bent portion or the chamfered portion, thereby improving the uniformity of microwave transmission.

[0120] In one embodiment, the end of the reflector 423 away from the second rotating platform 42 has a V-shaped notch 4231. In this way, microwaves can be reflected to different directions by the inner wall of the V-shaped notch 4231, thereby improving the uniformity of microwave transmission.

[0121] In one embodiment, the angle of the V-shaped notch 4231 is greater than 90 degrees. In this way, the microwaves are more dispersed after being reflected by the inner wall of the V-shaped notch 4231 with an angle greater than 90 degrees, thereby improving the uniformity of microwave transmission.

[0122] Furthermore, in one embodiment, the driving mechanism includes: a second motor provided on the frame 1 and having a second output shaft 441; and the disc 422 is connected to the second output shaft 441. Thus, the second motor can directly drive the disc 422 to rotate.

[0123] For further information, see Figures 1 to 20, as a specific embodiment of the microwave oven provided by the present invention, it also includes: an exhaust hole 51, an air inlet channel 52, a fan 53, and a condensation channel 541; the exhaust hole 51 is opened on the side wall of the cooking cavity 11; the air inlet channel 52 is arranged on the frame 1, and the outlet of the air inlet channel 52 is connected to the top of the cooking cavity 11; the fan 53 is arranged on the frame 1, and the fan 53 is located outside the entrance of the air inlet channel 52; the condensation channel 541 is arranged on the frame 1, and the condensation channel 541 is connected to the exhaust hole 51. In this way, a cooking cavity 11 is provided on the frame 1, and food can be placed in the cooking cavity 11; an air inlet channel 52 is provided on the frame 1, and the outlet of the air inlet channel 52 is connected to the top of the cooking cavity 11; a fan 53 is provided on the outside of the inlet of the air inlet channel 52, and the fan 53 is provided on the frame 1; external air can enter the air inlet channel 52 through the fan 53, and the gas in the air inlet channel 52 can enter the cooking cavity 11 from the top of the cooking cavity 11; an exhaust hole 51 is provided on the side wall of the cooking cavity 11, and some water droplets condensed on the side wall of the cooking cavity 11 can be discharged through the exhaust hole 51; the gas in the cooking cavity 11 can be discharged through the exhaust hole 51, and a condensation channel 541 is provided on the frame 1, and the condensation channel 541 is connected to the exhaust hole 51. The water vapor in the cooking cavity 11 can be condensed after entering the condensation channel 541 through the exhaust hole 51, which is convenient for reducing the water vapor in the cooking cavity 11, and also convenient for collecting the water vapor in the cooking cavity 11, reducing the influence of the water vapor in the cooking cavity 11 on the sensor.

[0124] In one embodiment, the air inlet passage 52 is a space, a chamber or a hole disposed on the frame 1 .

[0125] In one embodiment, the cooking cavity 11 is a cavity in the frame 1 .

[0126] In one embodiment, a guide member 55 is provided in the air inlet channel 52; a ventilation hole 553 is provided in the central area of ​​the guide member 55; an air flow channel 521 is formed between the outer wall of the guide member 55 and the inner wall of the air inlet channel 52; the ventilation hole 553 and the air flow channel 521 are respectively connected to the cooking cavity 11. In this way, the guide member 55 can split the air flow in the air inlet channel 52, with part of the air flow entering the cooking cavity 11 through the ventilation hole 553 and part of the air flow entering the cooking cavity 11 through the air flow channel 521.

[0127] In one embodiment, the airflow passing through the ventilation holes 553 converges into the cooking cavity 11 from top to bottom. In this way, the airflow output from the ventilation holes 553 can enter the cooking cavity 11 from top to bottom.

[0128] In one embodiment, the airflow in the airflow channel 521 blows toward the side wall of the cooking cavity 11. In this way, the air output from the airflow channel 521 can blow toward the side wall of the cooking cavity 11 to form a temperature difference so that the water vapor is cooled and condensed on the side wall.

[0129] In one embodiment, the guide member 55 is in a downward trumpet shape.

[0130] In one embodiment, the top of the guide member 55 has a protrusion 552 .

[0131] In one embodiment, the surfaces of the protrusions 552 are smoothly connected. In this way, the airflow can be divided along the surface of the protrusions 552 after encountering the protrusions 552.

[0132] In one embodiment, the viewing hole 551 is opened at the top of the protrusion 552 .

[0133] In one embodiment, ventilation holes 553 are provided on the protrusions 552 on both sides of the viewing hole 551. In this way, the ventilation holes 553 on both sides of the viewing hole 551 can maintain a relative balance of air pressure, and the airflow passing through the ventilation holes 553 on both sides of the viewing hole 551 can take away water vapor from both sides of the viewing hole 551, so that the temperature sensor 56 can detect the temperature of the food through the viewing hole 551.

[0134] In one embodiment, the ventilation holes 553 are arranged in two rows, and the two rows of ventilation holes 553 are respectively located on both sides of the viewing hole 551. In one embodiment, the viewing hole 551 is a strip-shaped hole.

[0135] In one embodiment, the diameter of the ventilation hole 553 is smaller than that of the viewing hole 551 .

[0136] In one embodiment, the inclination of the surface of the protrusion 552 (inclination: the angle between a tangent plane at any point on the surface of the protrusion 552 and a horizontal plane) gradually increases from the top to the bottom. In this way, when the airflow flows along the surface of the protrusion 552, the airflow tends to gradually deviate from the surface of the protrusion 552, reducing the impact of the airflow on the surface of the protrusion 552.

[0137] In one embodiment, it further includes: a connecting rib 554 disposed on the flow guide 55 , and the flow guide 55 is fixed to the frame 1 through the connecting rib 554 .

[0138] In one embodiment, guide grooves 555 are respectively provided at the positions where both sides of the connecting rib 554 intersect with the guide member 55 to reduce turbulence generated when the airflow passes around the connecting rib 554 .

[0139] In one embodiment, there are multiple connecting ribs 554. In one embodiment, multiple connecting ribs 554 are arranged along the edge of the guide member 55.

[0140] In one embodiment, the bottom edge of the guide member 55 is provided with an annular folded flange 556. In this way, when the airflow flows along the surface of the guide member 55 to the bottom of the guide member 55, the airflow can contact the annular folded flange 556 and adjust its direction. In one embodiment, the airflow direction changes for the first time when the airflow flows from the surface of the protrusion 552 to the surface of the guide member 55, the airflow direction changes for the second time when the airflow flows from the surface of the guide member 55 to the guide groove 555, the airflow direction changes for the third time when the airflow flows from the guide groove 555 to the surface of the guide member 55, and the airflow direction changes for the fourth time when the airflow flows from the surface of the guide member 55 through the annular folded flange 556. In this way, the airflow can buffer the airflow after four changes in direction, and it is convenient to guide the airflow at different positions on the airflow path to different directions, so that the airflow can apply stress to the guide member 55 from different directions, reducing the stress fatigue of the guide member 55 caused by the impact of long-term airflow in the same direction.

[0141] In one embodiment, for any row of ventilation holes 553, the diameters of the plurality of ventilation holes 553 are d n =1.5+sin(n), where d n The unit is millimeter, and d n is the diameter of the nth ventilation hole 553, and n is greater than or equal to. In this way, in a row of ventilation holes 553, the apertures between adjacent ventilation holes 553 will change, so that adjacent ventilation holes 553 are not easy to resonate during the exhaust process.

[0142] In one embodiment, the downstream of the guide groove 555 is close to the annular folded flange 556 , and the guide groove 555 is spaced apart from the annular folded flange 556 .

[0143] In one embodiment, the flow guide 55 and the surface of the annular folded flange 556 are smoothly connected.

[0144] In one embodiment, the annular folded flange 556 is convexly disposed on the horizontal outer side of the guide member 55. In this way, the annular folded flange 556 can intercept the airflow flowing through the outer surface of the guide member 55 and flowing in the vertical direction, and all of the airflow can be blocked by the annular folded flange 556.

[0145] In one embodiment, the annular folded flange 556 is in a plate shape, and the annular folded flange 556 is perpendicular to the vertical direction.

[0146] In one embodiment, the exhaust hole 51 is communicated with the bottom of the cooking cavity 11. In this way, water vapor can be easily discharged from the bottom of the cooking cavity 11.

[0147] In one embodiment, there are multiple exhaust holes 51 , so that water vapor or condensation beads can be discharged from the multiple exhaust holes 51 . In one embodiment, the multiple exhaust holes 51 surround the side wall of the cooking cavity 11 .

[0148] In one embodiment, the cooking chamber 11 further includes: a temperature sensor 56 for detecting the temperature of food; the temperature sensor 56 is located between the fan 53 and the guide member 55; and the guide member 55 is provided with a viewing hole 551 for the temperature sensor 56 to detect the food in the cooking chamber 11. In this way, the temperature sensor 56 can detect the temperature of the food through the viewing hole 551.

[0149] In one embodiment, the temperature sensor 56 is an infrared sensor. In one embodiment, the temperature sensor 56 and the camera sensor exist at the same time, or one of them exists.

[0150] In one embodiment, it further comprises: a vertically arranged condenser tube 54; the tube cavity in the condenser tube 54 is a condensation channel 541; and the bottom of the condenser tube 54 has a water collection space 542 connected with the exhaust hole 51. In this way, when water vapor moves upward along the side wall of the condenser tube 54, it is easy to contact with the inner wall of the condensation channel 541 and condense, and the condensed water can be gathered in the water collection space 542.

[0151] In one embodiment, there are multiple condensation tubes 54 , so that the water vapor can be output through the multiple condensation tubes 54 .

[0152] In one embodiment, a drain port is provided at the bottom of the water collection space 542. Thus, the water in the water collection space 542 can be discharged to the outside through the drain port.

[0153] In one embodiment, the air inlet passage 52 is a space, a chamber or a hole 6111 disposed on the frame 1 .

[0154] For further information, see Figures 1 to 20 As a specific embodiment of the microwave oven provided by the present invention, it further includes: a cleaning device for cleaning the bottom wall of the cooking cavity 11. In this way, the bottom wall of the cooking cavity 11 can be cleaned by the cleaning device.

[0155] For further information, see Figures 1 to 20As a specific embodiment of the microwave oven provided by the present invention, the rotating seat 63 device includes: a seat body 61, a liquid delivery channel 621, a rotating seat 63, a brush body 641, a nozzle 642, and a driver 65; the seat body 61 is connected to the frame body 1; the rotating seat 63 is rotatably arranged on the seat body 61; the brush body 641 is arranged on the rotating seat 63; the nozzle 642 is arranged on the rotating seat 63, and the nozzle 642 is connected to the liquid delivery channel 621; the driver 65 is used to drive the rotating seat 63 to rotate, and the driver 65 is arranged on the seat body 61. In this way, the rotating seat 63 is rotatably arranged on the seat body 61, and the rotating seat 63 can rotate relative to the seat body 61; a driver 65 is arranged on the seat body 61, and the driver 65 can drive the rotating seat 63 to rotate; a nozzle 642 is arranged on the rotating seat 63, and the rotating seat 63 can spray the rotating seat 63 liquid to the external object during the rotation process to rotate the seat 63; a brush body 641 is arranged on the rotating seat 63, and the rotating seat 63 can drive the brush body 641 to move during the rotation process to rotate the seat 63 to the external object; that is, during the rotation of the rotating seat 63, the nozzle 642 can spray the rotating seat 63 liquid, and the brush body 641 can also rotate the seat 63 at the same time, which greatly improves the efficiency of the rotating seat 63.

[0156] In one embodiment, it further includes: a liquid reservoir; the liquid reservoir is connected to the spray head 642.

[0157] In one embodiment, it further includes: a slide rail 67, a slide table, and a driving unit; the slide table is slidably disposed on the slide rail 67, and the seat body 61 is disposed on the slide table; the seat body 61 can slide along with the slide table.

[0158] In one embodiment, the liquid in the rotating seat 63 is detergent.

[0159] In one embodiment, the liquid delivery channel 621 includes: a first pipe 6211 disposed on the seat body 61 and a second pipe 6212 disposed on the rotating seat 63; the first pipe 6211 is connected to the second pipe 6212; and the nozzle 642 is connected to the second pipe 6212. In this way, external liquid can be delivered to the nozzle 642 through the first pipe 6211 and the second pipe 6212.

[0160] In one embodiment, the liquid source is in communication with the first conduit 6211 .

[0161] In one embodiment, the rotating seat 63 is rotatably disposed on the seat body 61 around the first shaft 611. In this way, the rotating seat 63 can rotate around the first shaft 611.

[0162] In one embodiment, it also includes: a first sealing ring 661; a first columnar cavity 632 is provided on the rotating seat 63, and the first shaft body 611 is inserted in the first columnar cavity 632; the first shaft body 611 has a channel 6111 extending along the first shaft body 611, and the channel 6111 connects the first pipe 6211 and the second pipe 6212; the first sealing ring 661 is sleeved on the first shaft body 611, and the first sealing ring 661 seals the gap between the inner wall of the first columnar cavity 632 and the outer wall of the first shaft body 611. In this way, the first shaft body 611 is inserted into the first cylindrical cavity 632, and the rotating seat 63 can rotate around the first shaft body 611; the channel 6111 in the first shaft body 611 connects the first pipe 6211 and the second pipe 6212, so that the liquid in the first pipe 6211 can enter the second pipe 6212 through the channel 6111; the first sealing ring 661 can seal the gap between the first shaft body 611 and the inner wall of the first cylindrical cavity 632.

[0163] In one embodiment, the nozzle 642 is provided with a plurality of stop surfaces 6421 facing in different directions; each stop surface 6421 is respectively located on the spray path of the nozzle 642. In this way, the nozzle 642 sprays the liquid on the plurality of stop surfaces 6421, and the plurality of stop surfaces 6421 face different directions for splashing, so that the liquid is sprayed in different directions to rotate the seat 63.

[0164] In one embodiment, the number of the stop surfaces 6421 is three.

[0165] In one embodiment, it further comprises: a negative pressure extraction channel 622 and a suction hole 633; ​​the suction hole 633 is disposed on the rotating seat 63, and the suction hole 633 is connected to the negative pressure extraction channel 622. In this way, the liquid or food residues produced by the rotating seat 63 can be extracted to other locations through the suction hole 633 and the negative pressure extraction channel 622.

[0166] In one embodiment, it also includes: a negative pressure source; the negative pressure source is connected to the negative pressure extraction channel 622.

[0167] In one embodiment, the negative pressure extraction channel 622 includes: a third pipe 6221 disposed on the seat body 61 and a fourth pipe 6222 disposed on the rotating seat 63; the third pipe 6221 is connected to the fourth pipe 6222; and the suction hole 633 is connected to the fourth pipe 6222. In this way, liquid or food residue can be sucked to the outside through the suction hole 633, the fourth pipe 6222 and the third pipe 6221 in sequence.

[0168] In one embodiment, the suction hole 633 is a strip-shaped hole, so that liquid or food residue can be sucked at different positions in the strip-shaped extension direction of the suction hole 633.

[0169] In one embodiment, the device further comprises: a second sealing ring 662, a second shaft body 631 disposed on the rotating seat 63, and a second cylindrical cavity 612 disposed on the seat body 61; the first shaft body 611 and the second shaft body 631 are coaxially disposed; the second shaft body 631 is inserted into the second cylindrical cavity 612; the second sealing ring 662 is sleeved on the second shaft body 631, and the second sealing ring 662 seals the gap between the inner wall of the second cylindrical cavity 612 and the outer wall of the second shaft body 631. In this way, the second shaft body 631 is inserted into the second cylindrical cavity 612, and the rotating seat 63 can rotate around the second shaft body 631; the second sealing ring 662 can seal the gap between the second shaft body 631 and the inner wall of the second cylindrical cavity 612.

[0170] In one embodiment, the driver 65 includes: a third motor 651 and an annular transmission belt 652; the rotating seat 63 has a cylindrical portion coaxially arranged with the second shaft 631; the third motor 651 is arranged on the seat 61, one end of the annular transmission belt 652 is sleeved on the cylindrical portion, and the other end of the annular transmission belt 652 is sleeved on the output shaft of the third motor 651. In this way, the third motor 651 can drive the rotating seat 63 to rotate around the second shaft 631 through the annular transmission belt 652.

[0171] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A microwave oven, characterized in that: include: Frame; Cooking chamber; The cooking cavity is arranged on the frame; A first microwave source; The first microwave source is disposed on the frame; a first microwave transmission channel; The first microwave transmission channel is arranged on the frame; The first microwave transmission channel communicates with the first microwave source and the top of the cooking cavity; a first microwave stirrer; The first microwave stirrer is used for cyclically shielding or reflecting a part of the microwaves in the first microwave transmission channel; The first microwave stirrer is located on the first microwave transmission channel; A second microwave source; the second microwave source is disposed on the frame; a second microwave transmission channel; The second microwave transmission channel is arranged on the frame; The second microwave transmission channel communicates with the second microwave source and the bottom of the cooking cavity; a second microwave stirrer; The second microwave stirrer is used for cyclically shielding or reflecting a part of the microwaves in the second microwave transmission channel; The second microwave stirrer is located on the second microwave transmission channel.

2. The microwave oven according to claim 1, characterized in that Also includes: a top inlet cavity communicating with the top of the cooking cavity and a bottom inlet cavity communicating with the bottom of the cooking cavity; The number of the first microwave sources is multiple; There are multiple first microwave transmission channels; the multiple first microwave sources correspond to the multiple first microwave transmission channels one by one; the first microwave transmission channels respectively intersect at the top inlet cavity; There are multiple second microwave sources; there are multiple second microwave transmission channels; multiple second microwave sources correspond to multiple second microwave transmission channels one by one; and each of the second microwave transmission channels respectively intersects at the bottom inlet cavity.

3. The microwave oven according to claim 2, characterized in that The first microwave agitator comprises: A first rotating platform; the first rotating platform is located in the top inlet cavity; the first rotating platform is rotatably arranged on the frame around a first predetermined axis; the first rotating platform has a first through hole for microwaves to pass through; The first driving mechanism is used to drive the first rotating platform to rotate; the first driving mechanism is arranged on the frame.

4. The microwave oven according to claim 3, characterized in that The first rotating platform comprises: a plurality of blades; and the first through holes are respectively formed between adjacent blades.

5. The microwave oven according to claim 2, characterized in that The second microwave agitator comprises: A second rotating platform; the second rotating platform is located in the bottom inlet cavity; the second rotating platform is rotatably arranged on the frame around a second predetermined axis; the second rotating platform has a second through hole for microwaves to pass through; The second driving mechanism is used to drive the second rotating platform to rotate; the second driving mechanism is arranged on the frame.

6. The microwave oven according to claim 5, characterized in that Also includes: Reflective panels; The second rotating platform is a circular disk; the second rotating platform is arranged perpendicular to the predetermined axis; and the reflecting plate is arranged on the circular disk.

7. The microwave oven according to claim 1, wherein: Also includes: Exhaust hole; the exhaust hole is opened on the side wall of the cooking cavity; Air inlet channel; The air inlet channel is arranged on the frame, and the outlet of the air inlet channel is communicated with the top of the cooking cavity; A fan; the fan is arranged on the frame, and the fan is located outside the entrance of the air inlet channel; Condensation channel; the condensation channel is arranged on the frame, and the condensation channel is connected to the exhaust hole.

8. The microwave oven according to claim 7, characterized in that A guide member is arranged in the air inlet channel; a ventilation hole is opened in the central area of ​​the guide member; an air flow channel is formed between the outer wall of the guide member and the inner wall of the air inlet channel; the ventilation hole and the air flow channel are respectively connected to the cooking cavity.

9. The microwave oven according to any one of claims 1 to 8, characterized in that: Also includes: A cleaning device for cleaning the bottom wall of the cooking cavity.

10. The microwave oven according to claim 9, characterized in that The cleaning device comprises: A seat body; the seat body is connected to the frame body; Liquid delivery channel; A rotating seat; the rotating seat is rotatably arranged on the seat body; Brush body; the brush body is arranged on the rotating seat; A nozzle; the nozzle is arranged on the rotating seat, and the nozzle is connected to the liquid delivery channel; Driver; the driver is used to drive the rotating seat to rotate, and the driver is arranged on the seat body.

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