CN109819540B - Double-cavity double-door microwave oven and control method thereof - Google Patents
Double-cavity double-door microwave oven and control method thereof Download PDFInfo
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- CN109819540B CN109819540B CN201910166277.4A CN201910166277A CN109819540B CN 109819540 B CN109819540 B CN 109819540B CN 201910166277 A CN201910166277 A CN 201910166277A CN 109819540 B CN109819540 B CN 109819540B
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Abstract
The invention discloses a double-cavity double-door microwave oven which comprises a first cavity, a first antenna stirrer, a magnetron, a second antenna stirrer, a second cavity, a waveguide, a first microwave introduction assembly, a second microwave introduction assembly and a microwave oven shell, wherein the magnetron is arranged in the middle of the inner side of the microwave oven shell and fixedly arranged at the upper part of the waveguide, and the waveguide is fixedly arranged with the microwave oven shell. According to the microwave oven, the first microwave introduction assembly and the second microwave introduction assembly work cooperatively, the second motor and the fourth motor rotate to drive the first metal shaft and the second metal shaft to enter the waveguide port, the first metal shaft introduces microwaves into the first cavity, the second metal shaft introduces microwaves into the second cavity, the antenna stirrer uniformly distributes microwaves in the cavity, and whether the first metal shaft and the second metal shaft introduce microwaves into the cavity or not is realized by controlling the second motor and the fourth motor to rotate positively and negatively, so that a single-cavity and double-cavity working mode is realized, meanwhile, the two cavities are not interfered with each other, and convenience is brought to users.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a double-cavity double-door microwave oven and a control method thereof.
Background
Along with the continuous acceleration of the life rhythm of people, the traditional ways of frying and frying food in an oil pan are not suitable for the life style of modern people, more and more young people choose ways of cooking food in a microwave oven, the working principle of the microwave oven is that a power supply supplies high voltage of about 4000V to a magnetron, the magnetron continuously generates microwaves under the excitation of the power supply, the microwaves are coupled into a cooking cavity through a waveguide system, the purpose of quickly cooking food is achieved by utilizing the microwaves to heat the food, the existing microwave ovens in the industry at present are generally single-cavity and single-door microwave ovens, and when the number of the heated cooked food is large, the food must be separately and singly heated according to the sequence, so that the purpose of quickly cooking the food is very inconvenient and time-consuming.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, an object of the present invention is to provide a dual-cavity dual-door microwave oven and a control method thereof, which realize a single-cavity and dual-cavity operation mode, and the two cavities work without interference, thereby facilitating the use of users and improving the use experience of users.
According to the embodiment of the invention, the dual-cavity dual-door microwave oven comprises a first shell, a first antenna stirrer, a magnetron, a second antenna stirrer, a second shell, a waveguide, a first microwave introduction component, a second microwave introduction component and a microwave oven shell, wherein the magnetron is arranged in the middle of the inner side of the microwave oven shell, the magnetron is fixedly arranged at the upper part of the waveguide, the waveguide is fixedly arranged with the microwave oven shell, the first shell is arranged at the left side of the magnetron, the first shell and the microwave oven shell are fixedly arranged through screws, the second shell is arranged at the right side of the magnetron, the second shell and the microwave oven shell are fixedly arranged through screws, a first microwave inlet is formed in the bottom of the first shell, the left part of the waveguide corresponds to the first microwave inlet, the upper part of the first microwave introduction component penetrates through the first waveguide and is arranged in the first microwave inlet, the first microwave inlet is fixedly arranged at the upper part of the first microwave inlet, the first microwave introduction component is fixedly arranged at the second antenna stirrer, the second shell is arranged at the right side of the second microwave introduction component, the second microwave inlet corresponds to the second microwave inlet, and the second microwave introduction component is fixedly arranged at the bottom of the second microwave inlet.
Preferably, the first microwave introducing component comprises a first fixed mounting box, a first gear, a first motor shaft, a first screw rod, a second motor and a first metal shaft, wherein the top of the first metal shaft is fixedly provided with the first antenna stirrer, the bottom of the first metal shaft is arranged inside the first waveguide port through a bearing seat, the lower part of the first waveguide port is fixedly provided with the first screw rod, the first screw rod is not in direct contact with the first metal shaft, the inside of the first screw rod is of a hollow structure, the first motor shaft penetrates through the inside of the first screw rod, the top of the first motor shaft is fixedly provided with the first metal shaft, the bottom of the first motor shaft is fixedly provided with the first motor, the outer side of the first screw rod is coupled with the first gear, the right side of the first gear is provided with the second motor, the first gear and the first screw rod are fixedly provided inside the first fixed mounting box, the first motor is fixedly provided with the lower part of the first motor shaft, and the first motor is fixedly provided with the first fixed mounting box.
Preferably, the second microwave introducing assembly comprises a second fixed mounting box, a second gear, a third motor, a second motor shaft, a second screw rod, a fourth motor and a second metal shaft, wherein the top of the second metal shaft is fixedly provided with the second antenna stirrer, the bottom of the second metal shaft is arranged inside the second waveguide port through a bearing seat, the lower part of the second waveguide port is fixedly provided with the second screw rod, the second screw rod is not in direct contact with the second metal shaft, the second screw rod is of a hollow structure, the second motor shaft penetrates through the inside of the second screw rod, the top of the second motor shaft is fixedly provided with the second metal shaft, the bottom of the second motor shaft is fixedly provided with the third motor, the outer side of the second screw rod is fixedly provided with the second gear, the right side of the second gear is provided with the fourth motor, the second gear and the second screw rod are fixedly provided inside the second fixed mounting box, the third motor is fixedly provided with the lower part of the second fixed mounting box, and the fourth motor is fixedly provided with the right fixed mounting box.
Preferably, the first housing and the microwave oven housing form a first cavity, and the second housing and the microwave oven housing form a second cavity.
Preferably, the left part of the microwave oven shell is fixedly provided with a first closed door through a hinge, the right part of the microwave oven shell is fixedly provided with a second closed door through a hinge, and the middle part of the microwave oven shell is fixedly provided with a control panel.
Preferably, the first fixed mounting box, the first gear, the first motor shaft and the first screw rod are made of plastic Teflon materials.
Preferably, the second fixed mounting box, the second gear, the second motor shaft and the second screw rod are made of plastic Teflon materials.
Preferably, the method steps are as follows:
s1: the power supply of the double-cavity double-door microwave oven is turned on, and a user selects a double-cavity working mode or a single-cavity working mode according to own requirements;
S2: the user selects the dual-cavity working mode: the method comprises the steps that a user turns on a second motor power supply and a fourth motor power supply on a control panel to drive a first gear and a second gear to rotate, a first screw rod drives a first metal shaft to descend into a first waveguide port, a second screw rod drives a second metal shaft to enter the second waveguide port, the second motor power supply and the fourth motor power supply are turned off, a magnetron, a first motor and a third motor power supply are turned on, a first motor shaft drives a first antenna stirrer to rotate, a second motor shaft drives a second antenna stirrer to rotate, microwaves emitted by the magnetron are led into the first cavity through the first waveguide port by the first metal shaft, the first antenna stirrer rotates to enable microwaves to be uniformly distributed in the first cavity, microwaves emitted by the magnetron are led into the second cavity through the second waveguide port by the second metal shaft, the second antenna stirrer rotates to enable microwaves to be uniformly distributed in the second cavity, the first motor power supply, the second motor power supply and the second motor power supply are turned off, the microwaves emitted by the magnetron are not reversely distributed in the second cavity, and the second motor power supply are turned off, and the microwaves emitted by the magnetron are completely separated from the second metal shaft;
S3: the user selects a single-cavity working mode;
S4: the first cavity works and the second cavity stands by: the user turns on the second motor power supply on the control panel to drive the first gear, the first screw rod drives the first metal shaft to descend to enter the first waveguide port, the second motor power supply is turned off, the magnetron and the first motor are turned on, the first motor shaft drives the first antenna stirrer to rotate, microwaves emitted by the magnetron are guided into the first cavity through the first waveguide port by the first metal shaft, the first antenna stirrer rotates to enable the microwaves to be uniformly distributed in the first cavity, after the first cavity is heated by microwaves uniformly distributed, the first motor power supply is turned off, the second motor power supply is turned on, the first metal shaft ascends to be separated from the first waveguide port, the microwave oven power supply is turned off, the third motor and the fourth motor are powered off in the whole course, the second metal shaft is always separated from the second waveguide port, the microwaves cannot be guided into the second cavity, and the food cannot be heated in the second cavity;
S5: the first cavity is standby, and the second cavity works: the user turns on the control panel the fourth motor power drives the second gear rotates, the second lead screw drives the second metal axle gets into the second waveguide mouth, closes the fourth motor power, opens magnetron, third motor power, the second motor shaft drives the rotation of second antenna agitator, the microwave that the magnetron launched is passed through the second waveguide mouth is by second metal axle is led into inside the second cavity, the second antenna agitator rotates, makes microwave evenly distributed in the second cavity, the inside microwave heating food of second cavity is through evenly distributed, after the heating is accomplished, closes third motor power, opens fourth motor power, makes the fourth motor reverse, the second metal axle breaks away from the second waveguide mouth, closes microwave oven power, first motor, second motor whole journey outage, first metal axle breaks away from always the first waveguide mouth, the microwave can't lead into inside the first cavity, the inside unable heating food of first cavity.
In the invention, the following components are added:
1. the two chambers are divided, and each chamber is completely independent, and can work simultaneously or independently. The working mode can be selected according to the requirements of users, and the user can use the device conveniently.
2. The microwave system is used, the main components of the microwave system, namely a magnetron, a waveguide and the like are one, 2 waveguide ports are formed in the waveguide, the waveguide ports are respectively arranged at the bottoms of two cooking cavities, the microwave system emits microwaves, and the microwaves are introduced into the cooking cavities through microwave introduction assemblies arranged at the waveguide ports of each cavity. The control system selects the working mode on the control panel according to the user demand, so that the cost is saved.
3. The double-door structure has the advantages that the two chambers are provided with the independent door bodies, the left side chamber body is opened left to the door, the right side chamber body is opened left to the door, the two door bodies are opened left to the right and are not interfered with each other, in the use process of a user, the space volume of the working chamber is increased, and the use of the user is facilitated.
4. The antenna stirrer is effectively controlled by motor driving, and for a cavity which does not need to work, the position of the metal shaft of the antenna stirrer is controlled, and the metal shaft of the stirrer is lifted out of the waveguide, so that microwaves cannot be introduced into the cavity, and the corresponding cavity is controlled to be not work.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the internal structure of a dual-cavity dual-door microwave oven according to the present invention;
FIG. 2 is a schematic view of the external structure of a dual-cavity dual-door microwave oven according to the present invention;
FIG. 3 is a block diagram of a dual-cavity dual-door microwave oven according to the present invention;
FIG. 4 is a cross-sectional view of a first microwave introduction assembly according to the present invention;
Fig. 5 is a schematic diagram of circuit connection of a dual-cavity dual-door microwave oven according to the present invention.
In the figure: 1-first housing, 2-first antenna stirrer, 3-magnetron, 4-second antenna stirrer, 5-second housing, 6-first fixed mounting box, 7-first gear, 8-first motor, 9-first motor shaft, 10-first screw, 11-second motor, 12-waveguide, 13-second fixed mounting box, 14-second gear, 15-third motor, 16-second motor shaft, 17-second screw, 18-fourth motor, 19-microwave oven housing, 20-second closed door, 21-second cavity, 22-control panel, 23-first cavity, 24-first closed door, 25-first metal shaft, 26-second metal shaft.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-2, a dual-cavity dual-door microwave oven comprises a first shell 1, a first antenna stirrer 2, a magnetron 3, a second antenna stirrer 4, a second shell 5, a waveguide 12, a first microwave introduction component, a second microwave introduction component and a microwave oven shell 19, wherein the magnetron 3 is arranged in the middle of the inner side of the microwave oven shell 19, the magnetron 3 is fixedly arranged at the upper part of the waveguide 12, the waveguide 12 is fixedly arranged with the microwave oven shell 19, a first shell 1 is arranged at the left side of the magnetron 3, the first shell 1 is fixedly arranged with the microwave oven shell 19 through screws, a second shell 5 is arranged at the right side of the magnetron 3, the second shell 5 is fixedly arranged with the microwave oven shell 19 through screws, a first microwave inlet is formed in the bottom of the first shell 1, the left part of the waveguide 12 corresponds to the first microwave inlet, the first microwave introduction component is fixedly arranged at the upper part of the first microwave introduction component, the waveguide 2 is fixedly arranged at the upper part of the waveguide 12, a second microwave inlet is formed at the bottom of the second shell 5, the right part of the second shell 12 corresponds to the second microwave inlet, the second microwave introduction component is fixedly arranged at the second microwave inlet 4, and the second microwave introduction component is fixedly arranged at the second microwave inlet;
Referring to fig. 1 and 4, the first microwave introduction assembly comprises a first fixed mounting box 6, a first gear 7, a first motor 8, a first motor shaft 9, a first screw rod 10, a second motor 11 and a first metal shaft 25, wherein the top of the first metal shaft 25 is fixedly provided with a first antenna stirrer 2, the bottom of the first metal shaft 25 is arranged in a first waveguide port through a bearing seat, the lower part of the first waveguide port is fixedly provided with the first screw rod 10, the first screw rod 10 is not in direct contact with the first metal shaft 25, the inside of the first screw rod 10 is of a hollow structure, the first motor shaft 9 passes through the inside of the first screw rod 10, the top of the first motor shaft 9 is fixedly provided with the first metal shaft 25, the bottom of the first motor shaft 9 is fixedly provided with the first motor 8, the first gear 7 is coupled and arranged at the outer side of the first screw rod 10, the right side of the first gear 7 is provided with the second motor 11, the first gear 7 and the first screw rod 10 is fixedly provided in the inside of the first fixed mounting box 6, the first motor 8 is fixedly provided with the lower part of the first fixed mounting box 6, and the second motor 11 is fixedly provided with the right part of the first box 6; the second microwave introduction assembly comprises a second fixed mounting box 13, a second gear 14, a third motor 15, a second motor shaft 16, a second screw rod 17, a fourth motor 18 and a second metal shaft 26, wherein the top of the second metal shaft 26 is fixedly provided with a second antenna stirrer 4, the bottom of the second metal shaft 26 is arranged in a second waveguide port through a bearing seat, the second screw rod 17 is fixedly arranged at the lower part of the second waveguide port, the second screw rod 17 is not in direct contact with the second metal shaft 26, the second screw rod 17 is of a hollow structure, the second motor shaft 16 passes through the inside of the second screw rod 17, the top of the second motor shaft 16 is fixedly arranged with the second metal shaft 26, the bottom of the second motor shaft 16 is fixedly arranged with the third motor 15, the second screw rod 17 is externally coupled with the second gear 14, the right side of the second gear 14 is provided with the fourth motor 18, the second gear 14 and the second screw rod 17 are fixedly arranged in the second fixed mounting box 13, the third motor 15 is fixedly arranged at the lower part of the second fixed mounting box 13, and the fourth motor 18 is fixedly arranged at the right part of the second fixed mounting box 13; the first shell 1 and the microwave oven shell 19 form a first cavity 23, and the second shell 5 and the microwave oven shell 19 form a second cavity 21; the left part of the microwave oven shell 19 is fixedly provided with a first closed door 24 through a hinge, the right part of the microwave oven shell 19 is fixedly provided with a second closed door 20 through a hinge, and the middle part of the microwave oven shell 19 is fixedly provided with a control panel 22; the first fixed mounting box 6, the first gear 7, the first motor shaft 9 and the first screw rod 10 are made of plastic Teflon materials; the second fixed mounting box 13, the second gear 14, the second motor shaft 16 and the second screw rod 17 are made of plastic Teflon materials.
Referring to fig. 5, fig. 5 is a schematic diagram of circuit connection of the dual-door microwave oven, in which SC1 is a door sensing switch (down), SC2 is a door interlocking switch (in), SC3 is an interlocking monitoring switch (up), MT1 is a magnetron temperature limiter, MT2 is a fireproof temperature controller, GM is a first motor 8, sm is a second motor 11, GM is a third motor 15, sm is a fourth motor 18, and l is an oven lamp.
Referring to fig. 3, the working steps are as follows:
S1: opening a power supply of the double-cavity double-door microwave oven, and selecting a double-cavity working mode or a single-cavity working mode according to own requirements by a user;
S2: the user selects the dual-cavity operating mode: the user turns on the power supply of the second motor 11 and the fourth motor 18 on the control panel 22 to drive the first gear 7 and the second gear 14 to rotate, the first screw rod 10 drives the first metal shaft 25 to descend into the first waveguide port, the second screw rod 17 drives the second metal shaft 26 to enter the second waveguide port, the power supply of the second motor 11 and the fourth motor 18 is turned off, the power supply of the magnetron 3, the first motor 8 and the third motor 15 is turned on, the first motor shaft 9 drives the first antenna stirrer 2 to rotate, the second motor shaft 16 drives the second antenna stirrer 4 to rotate, microwaves emitted by the magnetron 3 are guided into the first cavity 23 through the first waveguide port by the first metal shaft 25, the first antenna stirrer 2 rotates to uniformly distribute microwaves in the first cavity 23, the microwaves emitted by the magnetron 3 are guided into the second cavity 21 through the second metal shaft 26, the second antenna stirrer 4 rotates to uniformly distribute in the second cavity 21, the microwaves are heated by the motors uniformly distributed in the first cavity 23 and the second cavity 21 through the motors, the first motors uniformly distributed in the second cavity 21 are turned off, the first metal shaft 25 and the fourth motor shaft is turned off, and the first metal shaft 18 and the fourth motor shaft is turned off, and the second metal shaft 18 is not separated from the first cavity 11 and the fourth metal shaft is turned off;
S3: the user selects a single-cavity working mode;
S4: the first cavity 23 works and the second cavity 21 stands by: the user turns on the power supply of the second motor 11 on the control panel 22 to drive the first gear 7, the first screw rod 10 drives the first metal shaft 25 to descend into the first waveguide port, the second motor 11 power supply is turned off, the magnetron 3 and the first motor 8 are turned on, the first motor shaft 9 drives the first antenna stirrer 2 to rotate, microwaves emitted by the magnetron 3 are guided into the first cavity 23 through the first waveguide port by the first metal shaft 25, the first antenna stirrer 2 rotates to enable the microwaves to be uniformly distributed in the first cavity 23, the first cavity 23 heats food through uniformly distributed microwaves, after the heating is completed, the first motor 8 power supply and the second motor 11 power supply are turned off, the first metal shaft 25 is lifted to be separated from the first waveguide port, the microwave oven power supply is turned off, the third motor 15 and the fourth motor 18 are powered off in the whole course, the second metal shaft 26 is always separated from the second waveguide port, the microwaves cannot be guided into the second cavity 21, and the food cannot be heated in the second cavity 21;
s5: the first cavity 23 stands by and the second cavity 21 works: the user turns on the fourth motor 18 power supply on the control panel 22 to drive the second gear 14 to rotate, the second screw rod 17 drives the second metal shaft 26 to enter the second waveguide port, the fourth motor 18 power supply is turned off, the magnetron 3 is turned on, the third motor 15 power supply is turned on, the second motor shaft 16 drives the second antenna stirrer 4 to rotate, microwaves emitted by the magnetron 3 are guided into the second cavity 21 through the second waveguide port by the second metal shaft 26, the second antenna stirrer 4 rotates, the microwaves are uniformly distributed in the second cavity 21, the interior of the second cavity 21 heats food through uniformly distributed microwaves, after heating is completed, the third motor 15 power supply is turned off, the fourth motor 18 power supply is turned on, the fourth motor 18 is turned back, the second metal shaft 26 is separated from the second waveguide port, the microwave oven power supply is turned off, the first motor 8 and the second motor 11 are powered off in the whole course, the first metal shaft 25 is always separated from the first waveguide port, the microwaves cannot be guided into the first cavity 23, and the interior of the first cavity 23 cannot heat food.
In summary, the present invention:
1. the two chambers are divided, and each chamber is completely independent, and can work simultaneously or independently. The working mode can be selected according to the requirements of users, and the user can use the device conveniently.
2. The microwave system is used, the main components of the microwave system, namely a magnetron, a waveguide and the like are one, 2 waveguide ports are formed in the waveguide, the waveguide ports are respectively arranged at the bottoms of two cooking cavities, the microwave system emits microwaves, and the microwaves are introduced into the cooking cavities through microwave introduction assemblies arranged at the waveguide ports of each cavity. The control system selects the working mode on the control panel according to the user demand, so that the cost is saved.
3. The double-door structure has the advantages that the two chambers are provided with the independent door bodies, the left side chamber body is opened left to the door, the right side chamber body is opened left to the door, the two door bodies are opened left to the right and are not interfered with each other, in the use process of a user, the space volume of the working chamber is increased, and the use of the user is facilitated.
4. The antenna stirrer is effectively controlled by motor driving, and for a cavity which does not need to work, the position of the metal shaft of the antenna stirrer is controlled, and the metal shaft of the stirrer is lifted out of the waveguide, so that microwaves cannot be introduced into the cavity, and the corresponding cavity is controlled to be not work.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. A double-cavity double-door microwave oven is characterized in that: the microwave oven comprises a first shell, a first antenna stirrer, a magnetron, a second antenna stirrer, a second shell, a waveguide, a first microwave introduction component, a second microwave introduction component and a microwave oven shell, wherein the magnetron is arranged in the middle of the inner side of the microwave oven shell, the magnetron is fixedly arranged on the upper part of the waveguide, the waveguide and the microwave oven shell are fixedly arranged on the left side of the magnetron, the first shell and the microwave oven shell are fixedly arranged through screws, the second shell is arranged on the right side of the magnetron, the second shell and the microwave oven shell are fixedly arranged through screws, a first microwave inlet is formed in the bottom of the first shell, the left part of the waveguide corresponds to the first microwave inlet, the upper part of the first microwave introduction component penetrates through the first waveguide inlet and is fixedly arranged in the first microwave inlet, the first antenna stirrer is arranged on the left side of the magnetron, a second shell is fixedly arranged on the bottom of the second antenna stirrer, the second shell corresponds to the second waveguide inlet, the second microwave introduction component is fixedly arranged on the right side of the second microwave inlet, and the second microwave introduction component penetrates through the second waveguide inlet;
The first microwave introduction assembly comprises a first fixed mounting box, a first gear, a first motor shaft, a first screw rod, a second motor and a first metal shaft, wherein the top of the first metal shaft is fixedly provided with the first antenna stirrer, the bottom of the first metal shaft is arranged inside the first waveguide port through a bearing seat, the first screw rod is fixedly arranged at the lower part of the first waveguide port, the first screw rod is not in direct contact with the first metal shaft, the inside of the first screw rod is of a hollow structure, the first motor shaft penetrates through the inside of the first screw rod, the top of the first motor shaft is fixedly arranged with the first metal shaft, the bottom of the first motor shaft is fixedly arranged with the first motor, the outer side of the first screw rod is coupled with the first gear, the right side of the first gear is provided with the second motor, the first gear and the first screw rod are fixedly arranged inside the first fixed mounting box, the first motor is fixedly arranged at the lower part of the first fixed mounting box, and the first motor shaft penetrates through the inside the first screw rod, and the first motor shaft is fixedly arranged at the right part of the first fixed mounting box;
The second microwave introduction assembly comprises a second fixed mounting box, a second gear, a third motor, a second motor shaft, a second screw rod, a fourth motor and a second metal shaft, wherein the top of the second metal shaft is fixedly provided with the second antenna stirrer, the bottom of the second metal shaft is arranged inside the second waveguide port through a bearing seat, the lower part of the second waveguide port is fixedly provided with the second screw rod, the second screw rod is not in direct contact with the second metal shaft, the second screw rod is of a hollow structure, the second motor shaft penetrates through the inside of the second screw rod, the top of the second motor shaft is fixedly provided with the second metal shaft, the bottom of the second motor shaft is fixedly provided with the third motor, the outer side of the second screw rod is coupled with the second gear, the right side of the second gear is provided with the fourth motor, the second gear and the second screw rod are fixedly provided inside the second fixed mounting box, the third motor is fixedly provided with the lower part of the second fixed mounting box, and the fourth motor is fixedly provided with the right fixed mounting box;
the first shell and the microwave oven shell form a first cavity, and the second shell and the microwave oven shell form a second cavity;
The left part of the microwave oven shell is fixedly provided with a first closed door through a hinge, and the right part of the microwave oven shell is fixedly provided with a second closed door through a hinge.
2. A dual-cavity dual-door microwave oven as claimed in claim 1, wherein: the middle part of the microwave oven shell is fixedly provided with a control panel.
3. A dual-cavity dual-door microwave oven as claimed in claim 1, wherein: the first fixed mounting box, the first gear, the first motor shaft and the first screw rod are made of plastic Teflon materials.
4. A dual-cavity dual-door microwave oven as claimed in claim 1, wherein: the second fixed mounting box, the second gear, the second motor shaft and the second screw rod are made of plastic Teflon materials.
5. The control method of a double cavity double door microwave oven according to claim 2, wherein the method comprises the steps of:
s1: the power supply of the double-cavity double-door microwave oven is turned on, and a user selects a double-cavity working mode or a single-cavity working mode according to own requirements;
S2: the user selects the dual-cavity working mode: the method comprises the steps that a user turns on a second motor power supply and a fourth motor power supply on a control panel to drive a first gear and a second gear to rotate, a first screw rod drives a first metal shaft to descend into a first waveguide port, a second screw rod drives a second metal shaft to enter the second waveguide port, the second motor power supply and the fourth motor power supply are turned off, a magnetron, a first motor and a third motor power supply are turned on, a first motor shaft drives a first antenna stirrer to rotate, a second motor shaft drives a second antenna stirrer to rotate, microwaves emitted by the magnetron are led into the first cavity through the first waveguide port by the first metal shaft, the first antenna stirrer rotates to enable microwaves to be uniformly distributed in the first cavity, microwaves emitted by the magnetron are led into the second cavity through the second waveguide port by the second metal shaft, the second antenna stirrer rotates to enable microwaves to be uniformly distributed in the second cavity, the first motor power supply, the second motor power supply and the second motor power supply are turned off, the microwaves emitted by the magnetron are not reversely distributed in the second cavity, and the second motor power supply are turned off, and the microwaves emitted by the magnetron are completely separated from the second metal shaft;
S3: the user selects a single-cavity working mode;
S4: the first cavity works and the second cavity stands by: the user turns on the second motor power supply on the control panel to drive the first gear, the first screw rod drives the first metal shaft to descend to enter the first waveguide port, the second motor power supply is turned off, the magnetron and the first motor are turned on, the first motor shaft drives the first antenna stirrer to rotate, microwaves emitted by the magnetron are guided into the first cavity through the first waveguide port by the first metal shaft, the first antenna stirrer rotates to enable the microwaves to be uniformly distributed in the first cavity, after the first cavity is heated by microwaves uniformly distributed, the first motor power supply is turned off, the second motor power supply is turned on, the first metal shaft ascends to be separated from the first waveguide port, the microwave oven power supply is turned off, the third motor and the fourth motor are powered off in the whole course, the second metal shaft is always separated from the second waveguide port, the microwaves cannot be guided into the second cavity, and the food cannot be heated in the second cavity;
S5: the first cavity is standby, and the second cavity works: the user turns on the control panel the fourth motor power drives the second gear rotates, the second lead screw drives the second metal axle gets into the second waveguide mouth, closes the fourth motor power, opens magnetron, third motor power, the second motor shaft drives the rotation of second antenna agitator, the microwave that the magnetron launched is passed through the second waveguide mouth is by second metal axle is led into inside the second cavity, the second antenna agitator rotates, makes microwave evenly distributed in the second cavity, the inside microwave heating food of second cavity is through evenly distributed, after the heating is accomplished, closes third motor power, opens fourth motor power, makes the fourth motor reverse, the second metal axle breaks away from the second waveguide mouth, closes microwave oven power, first motor, second motor whole journey outage, first metal axle breaks away from always the first waveguide mouth, the microwave can't lead into inside the first cavity, the inside unable heating food of first cavity.
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