CN114340072B - Antenna device for microwave oven and microwave oven - Google Patents
Antenna device for microwave oven and microwave oven Download PDFInfo
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- CN114340072B CN114340072B CN202111578069.9A CN202111578069A CN114340072B CN 114340072 B CN114340072 B CN 114340072B CN 202111578069 A CN202111578069 A CN 202111578069A CN 114340072 B CN114340072 B CN 114340072B
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Abstract
本文提供了一种微波炉用天线装置及微波炉。微波炉用天线装置包括：天线轴；和天线叶片，其上设置有安装部，安装部偏离天线叶片的中心，天线叶片通过安装部固定在天线轴的一端，天线轴的另一端用于与驱动装置传动连接。该天线装置，由于安装部和天线轴相对于天线叶片偏心布置，因此天线叶片本身在转动过程中就产生了不对称性，从而在仿真过程中只需要针对天线叶片的不同形状、尺寸进行仿真即可，不需要对天线叶片考虑开孔，也就不再需要考虑开孔位置、数量、大小、形状等因素，仿真更容易操作，能够有效降低天线装置的设计难度，缩短天线装置的验证时间。
This article provides an antenna device for a microwave oven and a microwave oven. The antenna device for a microwave oven includes: an antenna shaft; and an antenna blade, on which a mounting portion is provided, the mounting portion is offset from the center of the antenna blade, the antenna blade is fixed to one end of the antenna shaft through the mounting portion, and the other end of the antenna shaft is used for transmission connection with a driving device. In this antenna device, since the mounting portion and the antenna shaft are eccentrically arranged relative to the antenna blade, the antenna blade itself produces asymmetry during the rotation process, so that in the simulation process, it is only necessary to simulate the different shapes and sizes of the antenna blade, and it is no longer necessary to consider the opening of the antenna blade, and it is no longer necessary to consider the position, number, size, shape and other factors of the opening. The simulation is easier to operate, which can effectively reduce the design difficulty of the antenna device and shorten the verification time of the antenna device.
Description
Technical Field
The invention relates to the field of electrical equipment, in particular to an antenna device for a microwave oven and the microwave oven.
Background
The prior microwave oven comprises a main body, a first magnetron, a second magnetron, a first waveguide, a second waveguide, an antenna device, a second antenna device and a food carrier plate, wherein the first magnetron, the second magnetron, the first waveguide and the second waveguide are all arranged outside the main body, the first waveguide is arranged on the lower side wall (namely a bearing wall) of the main body, the second waveguide is arranged on the upper side wall (namely a second side wall) of the main body, the antenna device (one) is arranged at the center position of the lower side wall of the main body, the second antenna device (one) is arranged at the center position of the upper side wall of the main body, and the food carrier plate is arranged in the main body and on the lower side wall of the main body.
The antenna device and the second antenna device comprise antenna blades and antenna shafts, the antenna blades are in round or central symmetry patterns, the centers of the antenna blades are provided with mounting portions, and the antenna blades are fixedly connected with the antenna shafts through the mounting portions. In the antenna design process, grooves and holes are required to be formed in the antenna blades after simulation so as to realize uniform microwave distribution. Because the slots and holes which need to be formed in the antenna blade are more, the selectable space of the holes and the slots is too large, and no design rule can be circulated, so that the design process is difficult, and the verification can be completed after a few months.
Disclosure of Invention
The invention mainly aims to provide an antenna device for a microwave oven, which has the advantages of small design process difficulty and short verification time.
The invention also provides a microwave oven.
In order to achieve the above purpose, the antenna device for the microwave oven provided by the embodiment of the invention comprises an antenna shaft and an antenna blade, wherein the antenna blade is provided with a mounting part, the mounting part is deviated from the center of the antenna blade, the antenna blade is fixed at one end of the antenna shaft through the mounting part, and the other end of the antenna shaft is used for being in transmission connection with a driving device.
In an exemplary embodiment, the antenna blade includes a blade body and a mounting wall having one end connected to one end of the blade body, the mounting portion being located on the mounting wall.
In an exemplary embodiment, the length of the antenna blade is 40-55 mm.
In an exemplary embodiment, the edge of the blade body is one of a circular arc edge structure, an elliptical arc edge structure, a triangular edge structure, a rectangular edge structure and a special-shaped edge structure, and the edge of the mounting wall is a circular arc edge structure.
In an exemplary embodiment, the edge of the blade body is in a circular arc edge structure, the center of the installation wall is located at the outer side of the blade body, and the length of the antenna blade is 42-46 mm.
In an exemplary embodiment, the edge of the blade body is an elliptical arc edge structure, the center of the installation wall is located at the outer side of the blade body, the center of the installation wall is collinear with the long axis of the blade body, and the length of the antenna blade is 42-46 mm.
In an exemplary embodiment, the edge of the blade body is in a regular triangle edge structure, the center of the installation wall is located at the outer side of the blade body, the center of the installation wall is collinear with a center line of the blade body, and the length of the antenna blade is 50-55 mm.
In an exemplary embodiment, the edge of the blade body is of a rectangular edge structure, the center of the installation wall is located at the middle point of one long edge of the blade body, and the length of the blade body is 48-52 mm.
In an exemplary embodiment, the mounting portion is a through hole, a screw hole is formed in one end of the antenna shaft, and a screw is screwed into the screw hole through the through hole.
In an exemplary embodiment, the antenna device for the microwave oven further comprises a driving device, wherein the other end of the antenna shaft is in transmission connection with the driving device, the driving device is used for driving the antenna shaft and the antenna blade to rotate together, and the axis of the antenna shaft is perpendicular to the side face of the antenna blade.
The microwave oven provided by the embodiment of the invention comprises the antenna device for the microwave oven.
In an exemplary embodiment, the microwave oven further comprises a main body having a carrying wall opposite to the food carrying plate, wherein a plurality of antenna devices for the microwave oven are rotatably arranged on the carrying wall, and the plurality of antenna devices for the microwave oven are offset from the center of the carrying wall.
In an exemplary embodiment, the rotational speeds of a plurality of said drives are not identical.
In an exemplary embodiment, the microwave oven further comprises a main body having a carrying wall opposite to the food carrying plate, and the carrying wall is rotatably provided with one of the antenna devices for the microwave oven.
In an exemplary embodiment, the antenna device for a microwave oven is located at the center of the carrying wall.
In the technical scheme of the invention, the antenna blade is provided with the mounting part, the mounting part deviates from the center of the antenna blade, the antenna blade is fixed at one end of the antenna shaft through the mounting part, the other end of the antenna shaft is used for being in transmission connection with the driving device, and the antenna device generates asymmetry in the rotation process of the antenna blade because the mounting part and the antenna shaft are eccentrically arranged relative to the antenna blade, therefore, in the simulation process, only the different shapes and sizes of the antenna blades are required to be simulated, the antenna blades are not required to be subjected to hole opening, and factors such as hole opening positions, quantity, size and shape are not required to be considered any more, so that the simulation is easier to operate, the design difficulty of the antenna device can be effectively reduced, and the verification time of the antenna device is shortened.
Further, a plurality of antenna devices are rotatably arranged on the bearing wall of the microwave oven at intervals, so that microwaves generated by the microwave generating device are radiated into the main body through the first waveguide by the plurality of antenna devices and are acted on the food carrier plate arranged on the bearing wall, the problem of ignition caused by too close edge distance is avoided between adjacent antenna blades, and compared with the microwave oven adopting one antenna device, the microwave oven adopting the plurality of antenna devices has larger range of microwaves, is easier to realize uniform action on the food carrier plate, and can improve the heating uniformity of the microwave oven on food.
Moreover, the scheme has better heating uniformity of the microwave oven to food compared with an antenna device provided with a plurality of installation parts at the center of the antenna blade on the bearing wall of the microwave oven.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a microwave oven according to an embodiment of the invention;
FIG. 2 is a schematic perspective view showing another view angle of the microwave oven shown in FIG. 1;
FIG. 3 is a schematic perspective view of the first waveguide and the first antenna device of FIG. 2 after assembly;
FIG. 4 is a schematic perspective view of the structure of FIG. 3 from another perspective;
FIG. 5 is a schematic perspective view of the first waveguide of FIG. 2;
FIG. 6 is a schematic perspective view of the structure of FIG. 5 from another perspective;
Fig. 7 is a schematic perspective view of a view angle after the second waveguide and the second antenna device in fig. 1 are assembled;
FIG. 8 is a schematic perspective view of the structure of FIG. 7 from another perspective;
Fig. 9 is a schematic structural diagram of an antenna device according to an embodiment of the application;
FIG. 10 is a schematic view of the antenna blade of FIG. 9;
FIG. 11 is a schematic view of the antenna shaft of FIG. 9;
FIG. 12 is a schematic view of an antenna blade according to another example of the present application;
fig. 13 is a schematic structural view of an antenna blade according to still another example of the present application;
fig. 14 is a schematic structural view of an antenna blade according to still another example of the present application.
The correspondence between the reference numerals and the component names in fig. 1 to 14 is:
100 main body, 110 bearing wall, 120 second side wall, 130 scattering structure, 200 food carrier plate, 300 first waveguide, 310 first transmission section, 320 second transmission section, 330 third transmission section, 340 semi-cylindrical curved surface, 400 microwave generating device, 410 first magnetron, 420 second magnetron, 500 antenna device, 510 driving device, 520 antenna, 521 antenna shaft, 522 antenna blade, 523 blade body, 524 mounting wall, 525 through hole, 600 second antenna device, 610 driving device, 620 antenna, 700 second waveguide, 710 spherical structure.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear are used in the embodiments of the present invention) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "connected," "fixed" and the like are to be construed broadly, and for example, "fixed" may be a fixed connection, may be a removable connection or integrated, may be a mechanical connection or an electrical connection, and "connected" may be a direct connection or an indirect connection via an intermediary, may be a communication between two elements or an interaction relationship between two elements, unless explicitly specified otherwise. 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.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
The microwave oven according to the embodiment of the present invention, as shown in fig. 1 to 6, includes a main body 100 having a carrying wall 110 opposite to a food carrying plate 200 (i.e., a lower side wall of the main body 100, the food carrying plate 200 may be placed on the carrying wall 110), a first waveguide 300 positioned outside the main body 100 and disposed on the carrying wall 110, a microwave generating device 400 disposed outside the main body 100 for transmitting microwaves into the first waveguide 300, and a plurality of antenna devices 500 rotatably disposed on the carrying wall 110 for radiating the microwaves transmitted in the first waveguide 300 into the main body 100.
In the microwave oven, the plurality of antenna devices 500 are rotatably disposed on the carrying wall 110, and microwaves generated by the microwave generating device 400 are radiated into the main body 100 through the first waveguide 300 by the plurality of antenna devices 500 and are applied to the food carrier plate 200, so that compared with the microwave oven adopting one antenna device 500, the microwave range radiated by the plurality of antenna devices 500 is wider, the microwave can be more easily uniformly applied to the food carrier plate 200, and the heating uniformity of the microwave oven on food can be improved.
In an exemplary embodiment, as shown in fig. 2 to 6, the plurality of antenna devices 500 are symmetrically disposed on the carrying wall 110, so that microwaves acting on the middle region of the food supporting plate are relatively reduced, and microwaves acting on the side regions of the food supporting plate are relatively increased, thereby better improving the uniformity of the microwave radiation of the plurality of antenna devices 500, so that the microwaves radiated by the plurality of antenna devices 500 are more uniformly applied to the food supporting plate 200, and thus the microwave oven heats the food more uniformly.
In an example, as shown in fig. 2, the plurality of antenna devices 500 are uniformly distributed on the carrying wall 110, so that the range of microwaves radiated by the plurality of antenna devices 500 is larger, and the uniform effect on the food carrying board 200 can be better realized, and the uniformity of heating food by the microwave oven can be further improved.
In an embodiment, as shown in fig. 1 to 6, the main body 100 is rectangular parallelepiped, the plurality of antenna devices 500 is two, and the two antenna devices 500 are symmetrically arranged about a first axis of the carrier wall 110, and the first axis is an axis of the carrier wall 110 parallel to a long side of the carrier wall 110.
In one embodiment, as shown in fig. 2 to 6, the two antenna devices 500 are disposed along a second axis of the carrier wall 110, the second axis is the axis of the carrier wall 110 parallel to the broadside of the carrier wall 110, and the first axis and the second circumference are perpendicular to each other. The interval between the two antenna devices 500 may be reasonably set in a simulation, experiment, calculation, or the like, so that microwaves radiated from the two antenna devices 500 are more uniformly applied to the food carrier plate 200.
In an embodiment, as shown in fig. 2 to 6, the first waveguide 300 includes a first transmission section 310, a second transmission section 320 and a third transmission section 330, the first transmission section 310 is disposed along a first axis, the second transmission section 320 and the third transmission section 330 are symmetrically disposed about the first axis, opposite ends of the second transmission section 320 and the third transmission section 330 are in one-to-one correspondence with two antenna devices 500, and opposite ends of the second transmission section 320 and the third transmission section 330 are in communication with an outlet of the first transmission section 310.
Wherein each antenna device 500 comprises a driving device 510 and an antenna 520 mounted on the driving device 510. The rotational speeds of the plurality of driving devices 510 are set to be not identical, so that the uniformity of the distribution of microwaves can be improved. As shown in fig. 9 to 14, the antenna 520 may include an antenna shaft 521 and an antenna blade 522, the antenna blade 522 includes a blade body 523 and a mounting wall 524, the mounting wall 524 is provided with a mounting portion, one ends of the blade body 523 adjacent to the mounting wall 524 are connected, the mounting wall 524 is fixed at one end of the antenna shaft 521 through the mounting portion, and the other end of the antenna shaft 521 is in transmission connection with the driving device 510, wherein the mounting portion is eccentrically disposed on the antenna blade 522. In the antenna device, the mounting wall 524 and the antenna shaft 521 are eccentrically arranged relative to the antenna blade 522, so that the antenna blade 522 generates asymmetry in the rotation process, and therefore, in the simulation process, only different shapes and sizes of the antenna blade 522 are required to be simulated, the antenna blade 522 is not required to be considered for opening, and factors such as the position, the number, the size and the shape of the opening are not required to be considered, so that the simulation is easier to operate, the design difficulty of the antenna device can be effectively reduced, and the verification time of the antenna device is shortened.
In addition, the heating uniformity of the microwave oven to the food is better than the case where a plurality of antenna devices having 'mounting portions at the center of the antenna blade' are provided on the carrying wall 110 of the microwave oven.
The two driving devices 510 are fixed at opposite ends of the second transmission section 320 and the third transmission section 330 in a one-to-one correspondence manner, and are all set as motors, and the dimensions of the two antenna blades 522 are designed to be smaller and can be set to 40-55 mm, so that the two antenna blades 522 are prevented from being too close to each other along the edge distance during rotation to cause ignition. As shown in fig. 10 and fig. 12 to fig. 14, the blade body 523 is configured to be substantially triangular (in which the edge of the blade body 523 is a triangular edge structure), circular (in which the edge of the blade body 523 is a circular arc edge structure), elliptical (in which the edge of the blade body 523 is a circular arc edge structure), rectangular (in which the edge of the blade body 523 is a rectangular edge structure), or irregular (in which the edge of the blade body 523 is a irregular edge structure), and the like, and the antenna blades 522 of different shapes are different in not only pattern, but also in effect on heating uniformity in different cavities, and the shape of the antenna blades 522 can be designed more preferably by a simulation, experiment or calculation method by a person skilled in the art, so that the purpose of the present application can be achieved.
The two antenna devices 500 are rotatably arranged on the carrying wall 110 at intervals, so that microwaves generated by the microwave generating device 400 are radiated into the main body from the two antenna devices 500 through the first waveguide 300 and act on the food carrier plate 200 arranged on the carrying wall 110, the problem of ignition caused by too close edge distance between adjacent antenna blades 522 can be avoided, compared with the method adopting one antenna device 500, the microwave range radiated by the two antenna devices is larger, the microwave range is easier to realize uniform acting on the food carrier plate 200, and the heating uniformity of the microwave oven on food can be improved.
The present application may be implemented in a way that, as shown in fig. 12, the edge of the blade body 523 is in a circular arc structure, the center of the mounting wall 524 is located at the outer side of the blade body 523, the length of the antenna blade 522 is 42-46 mm, the length a of the antenna blade 522 may be set to 44mm, or, as shown in fig. 13, the edge of the blade body 523 is in an elliptical arc structure, the center of the mounting wall 524 is located at the outer side of the blade body 523, the center of the mounting wall 524 is collinear with the long axis of the blade body 523, the length b of the antenna blade 522 may be set to 44mm, or, as shown in fig. 10, the edge of the blade body 523 is in a regular triangle structure, the center of the mounting wall 524 is located at the outer side of the blade body 523, the center of the mounting wall 524 is collinear with a center line of the blade body 523, the length of the antenna blade 522 is 50-55 mm, and the length c of the antenna blade 522 may be set to 52.6mm, or, as shown in fig. 14, the edge of the blade body 523 is in a rectangular structure, the center of the mounting wall 524 is located at the center of the blade body 523, and the length of the blade 523 is 48 mm, which is not in the range of the length of the blade body 523, and the length is not 50 mm.
The mounting wall 524 is provided with a through hole 525 (i.e., a mounting portion) and one end of the antenna shaft 521 is provided with a screw hole, a screw is screwed into the screw hole through the through hole 525, the position of the through hole 525 on the mounting wall 524 affects the input impedance of the antenna 520, and the position of the through hole 525 can be adjusted to achieve proper impedance of the antenna 520.
In an embodiment, as shown in fig. 4 and fig. 5, opposite ends of the second transmission section 320 and the third transmission section 330 form an impedance matching structure, the impedance matching structure is disposed opposite to the outlet of the first transmission section 310, and the function of the impedance matching structure is to match the equivalent impedance of the two antenna devices 500 with the impedance of the microwave generating device 400, so as to ensure that the microwaves emitted by the microwave generating device 400 can smoothly enter the main body 100 through the two antenna devices 500.
In an embodiment, as shown in fig. 4 and fig. 5, the impedance matching structure is a semi-cylindrical curved surface 340 protruding towards the outlet of the first transmission section 310, and the position and the size of the semi-cylindrical curved surface 340 can be designed more preferably by simulation, experiment or calculation, which can achieve the purpose of the present application, and the purpose of the present application is not departing from the design concept of the present application, and is not repeated herein, but all shall be within the protection scope of the present application.
Of course, four antenna devices 500 may be symmetrically disposed on the carrying wall 110, four branches are symmetrically disposed on the corresponding first waveguide 300, and the four branches and the four antenna devices 500 are in one-to-one correspondence, which may achieve the purpose of the present application.
In an exemplary embodiment, as shown in fig. 1, 7 and 8, the sidewall of the main body 100 opposite to the carrying wall 110 is a second sidewall 120 (i.e., an upper sidewall of the main body 100). The microwave oven further includes a second waveguide 700 located outside the main body 100 and provided on the second sidewall 120, the microwave generating device 400 further for transmitting microwaves into the second waveguide 700, and a second antenna device 600 rotatably provided on the second sidewall 120 for radiating microwaves transmitted in the second waveguide 700 into the main body 100.
The second antenna device 600 may be disposed at the center of the second side wall 120 as shown in fig. 1, or the second waveguides 700 and the first waveguides 300 may be axisymmetric, the number of the second antenna devices 600 is the same as that of the antenna devices 500, and the plurality of second antenna devices 600 and the plurality of antenna devices 500 are axisymmetric, which may achieve the purpose of the present application.
In one embodiment, as shown in fig. 1, 7 and 8, the second antenna device 600 includes a driving device 610 and an antenna 620 mounted on the driving device 610, and the driving device 610 is fixed on the second waveguide 700 and configured as a motor. The antenna 620 is in a triangle shape, a circle shape, an ellipse shape, a rectangle shape or a special shape, the antennas 620 in different shapes have different patterns, and the effect on heating uniformity in different cavities is also different, so that a person skilled in the art can design the shape of the antenna 620 better through a simulation, experiment or calculation method, the purpose of the present application can be achieved, the purpose of the present application is not departing from the design concept of the present application, and the present application is not repeated herein.
In an embodiment, as shown in fig. 8, a spherical structure 710 for matching and blocking is also disposed on the second waveguide 700, the spherical structure 710 protrudes toward the inside of the second waveguide 700, and the spherical structure 710 is used to match the equivalent impedance of the second antenna device 600 with the impedance of the microwave generating device 400, so as to ensure that the microwaves emitted by the microwave generating device 400 can smoothly enter the main body 100 through the two second antenna devices 600.
In one embodiment, as shown in fig. 2,4,6 and 7, the microwave generating apparatus 400 further includes a first magnetron 410 disposed corresponding to the first waveguide 300 for transmitting microwaves into the first waveguide 300, a semi-cylindrical curved surface 340 for matching the equivalent impedance of the two antenna devices 500 with the impedance of the first magnetron 410 to ensure that microwaves emitted from the first magnetron 410 can smoothly enter the main body 100 through the two antenna devices 500, and a second magnetron 420 disposed corresponding to the second waveguide 700 for transmitting microwaves into the second waveguide 700, and a spherical structure 710 for matching the equivalent impedance of the second antenna device 600 with the impedance of the second magnetron 420 to ensure that microwaves emitted from the second magnetron 420 can smoothly enter the main body 100 through the second antenna device 600.
Of course, the microwave generating device 400 may be a magnetron, and the microwave may be transmitted into the first waveguide and the second waveguide by the magnetron, so that the purpose of the present application may be achieved.
In an embodiment, as shown in fig. 1 and fig. 2, the inner wall of the main body 100 is provided with scattering structures 130 arranged in a matrix, the scattering structures 130 are one or more of spherical convex hulls, spherical concave hulls, ellipsoidal concave hulls, pyramids, and the like, and the scattering structures 130 can scatter microwaves more uniformly in all directions, so that the uniformity of the distribution of the microwaves in the main body 100 can be further improved.
Illustratively, the scattering structures 130 are uniformly distributed throughout the respective inner walls of the body 100.
For example, the volume of the main body 100 is not less than 17 liters, the inner wall of the main body 100 is made of 304 stainless steel plate material with a thickness of 0.5-1 mm, and the first waveguide 300 and the second waveguide 700 are made of steel plate material with a thickness of 0.5-1 mm.
Of course, an antenna device may be rotatably disposed on the carrying wall of the microwave oven (the antenna device may be disposed at the center of the carrying wall), so that the design difficulty and the design time of the microwave oven may be reduced, and the purpose of the present application may be achieved.
In summary, in the antenna device provided by the embodiment of the invention, since the mounting portion and the antenna shaft are eccentrically arranged relative to the antenna blade, the antenna blade generates asymmetry in the rotation process, so that simulation can be performed only for different shapes and sizes of the antenna blade in the simulation process, the antenna blade does not need to be considered with holes, and factors such as the positions, the number, the size and the shape of the holes are not needed to be considered, the simulation is easier to operate, the design difficulty of the antenna device can be effectively reduced, and the verification time of the antenna device is shortened.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms "upper", "lower", "one side", "the other side", "one end", "the other end", "the side", "the opposite", "four corners", "the periphery", "the" mouth "character structure", etc., are directions or positional relationships based on the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the structures referred to have a specific direction, are configured and operated in a specific direction, and thus are not to be construed as limiting the present invention.
In describing embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "connected," "directly connected," "indirectly connected," "fixedly connected," "mounted," "assembled" should be construed broadly, e.g., as being either fixedly connected or detachably connected, or integrally connected, and the terms "mounted," "connected," "fixedly connected" may be either directly or indirectly connected via an intermediate medium, or may be in communication with each other between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Although the embodiments of the present invention are described above, the embodiments are only used for facilitating understanding of the present invention, and are not intended to limit the present invention. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is defined by the appended claims.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the specification and drawings of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (6)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111578069.9A CN114340072B (en) | 2021-12-22 | 2021-12-22 | Antenna device for microwave oven and microwave oven |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111578069.9A CN114340072B (en) | 2021-12-22 | 2021-12-22 | Antenna device for microwave oven and microwave oven |
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| CN114340072A CN114340072A (en) | 2022-04-12 |
| CN114340072B true CN114340072B (en) | 2024-12-10 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001250672A (en) * | 1999-12-27 | 2001-09-14 | Sanyo Electric Co Ltd | Microwave oven |
| JP2004259646A (en) * | 2003-02-27 | 2004-09-16 | Mitsubishi Electric Corp | Radio frequency heating apparatus |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040043438A (en) * | 2002-11-18 | 2004-05-24 | 엘지전자 주식회사 | Feeding system of microwave-oven |
| KR100565657B1 (en) * | 2004-02-19 | 2006-03-30 | 엘지전자 주식회사 | Microwave |
| JP4979280B2 (en) * | 2006-06-19 | 2012-07-18 | パナソニック株式会社 | Microwave heating device |
| EP3669614B1 (en) * | 2017-08-15 | 2022-03-09 | Goji Limited | Six port power measurements |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001250672A (en) * | 1999-12-27 | 2001-09-14 | Sanyo Electric Co Ltd | Microwave oven |
| JP2004259646A (en) * | 2003-02-27 | 2004-09-16 | Mitsubishi Electric Corp | Radio frequency heating apparatus |
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