CN114340071A - Waveguide for microwave oven and microwave oven - Google Patents
Waveguide for microwave oven and microwave oven Download PDFInfo
- Publication number
- CN114340071A CN114340071A CN202111578980.XA CN202111578980A CN114340071A CN 114340071 A CN114340071 A CN 114340071A CN 202111578980 A CN202111578980 A CN 202111578980A CN 114340071 A CN114340071 A CN 114340071A
- Authority
- CN
- China
- Prior art keywords
- microwave
- port
- transmission section
- waveguide
- microwave oven
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000008878 coupling Effects 0.000 claims abstract description 88
- 238000010168 coupling process Methods 0.000 claims abstract description 88
- 238000005859 coupling reaction Methods 0.000 claims abstract description 88
- 230000005540 biological transmission Effects 0.000 claims abstract description 68
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Landscapes
- Cookers (AREA)
Abstract
Provided are a waveguide for a microwave oven and a microwave oven. The waveguide includes: a first transmission section; the second transmission section is perpendicular to and communicated with the first transmission section, and the first corner area is enclosed by the first transmission section and the second transmission section; the side wall of the first transmission section facing the first corner region is provided with a plurality of first microwave coupling ports, and microwaves transmitted in the second transmission section can enter the first transmission section and are transmitted outwards from the first microwave coupling ports. This waveguide, first transmission section are equipped with a plurality of first microwave coupling mouths, for only setting up a first microwave coupling mouth, set up a plurality of first microwave coupling mouths and can make the microwave scope of first transmission section outwards transmission bigger, more dispersed, consequently this waveguide is applied to microwave oven, and the microwave that transmits to the microwave oven from a plurality of first microwave coupling mouths distributes in microwave oven more evenly, and microwave oven can be better to the heating homogeneity of food.
Description
Technical Field
The invention relates to the field of electrical equipment, in particular to a waveguide for a microwave oven and a cooking cavity.
Background
The existing microwave oven comprises a main body, a microwave generating device and a waveguide, wherein the waveguide is provided with a first microwave coupling port, the middle part of the bottom wall of the main body is provided with an avoiding port, the waveguide is installed on the bottom wall of the main body, the first microwave coupling port is positioned in the avoiding port, and the microwave generating device is installed on the waveguide. Under the working state of the microwave oven, microwaves generated by the microwave generating device are transmitted into the main body from the first microwave coupling port along the wave guide to heat food placed on the food carrier plate. However, the uniformity of heating of the food is not good.
Disclosure of Invention
The research finds that: the microwave generated by the microwave generating device is transmitted into the main body from the first microwave coupling port along the waveguide, and the distance between the bottom wall of the main body and the food carrier plate is very small, so that the microwave transmitted into the main body from the first microwave coupling port is difficult to uniformly act on the food carrier plate no matter what kind of first microwave coupling port is adopted, and the microwave generating device is also a main reason that the heating uniformity of the existing microwave oven to the food is not good.
The invention mainly aims to provide a waveguide for a microwave oven, which is applied to the microwave oven and can improve the heating uniformity of food.
In order to achieve the above object, a waveguide for a microwave oven according to an embodiment of the present invention includes: a first transmission section; the second transmission section is perpendicular to and communicated with the first transmission section, and the first transmission section and the second transmission section enclose a first corner area; the side wall of the first transmission section facing the first corner region is provided with a plurality of first microwave coupling ports, and microwaves transmitted in the second transmission section can enter the first transmission section and are transmitted outwards from the first microwave coupling ports.
In an exemplary embodiment, a sidewall of the second transmission section facing the first corner region is provided with a second microwave coupling port, and the microwaves transmitted in the second transmission section can also be transmitted outwards from the second microwave coupling port.
In an exemplary embodiment, the second microwave coupling port includes one or more of a rectangular port, a diamond-shaped port, a circular port, an oval port, a trapezoidal port, a triangular port, and a shaped port.
In an exemplary embodiment, the second transmission section is provided with a mounting portion for fixing the microwave generating device.
In an exemplary embodiment, the second transmission section is provided with a mounting portion for fixing a microwave generating device, and the mounting portion is located between the first microwave coupling port and the second microwave coupling port.
In an exemplary embodiment, the mounting portion is a mounting hole, and the mounting hole is located on a side wall of the second transmission section facing away from the first corner region.
In an exemplary embodiment, the number of the first microwave coupling ports is 8, and 8 first microwave coupling ports are arranged in a plurality of rows and a plurality of columns.
In an exemplary embodiment, adjacent first microwave coupling ports on each row are not parallel to each other.
In an exemplary embodiment, adjacent first microwave coupling ports on each row are arranged in a shape of a Chinese character 'ba', and a plurality of first microwave coupling ports on each row are arranged in parallel.
In an exemplary embodiment, the plurality of first microwave coupling ports include one or more of a rectangular port, a diamond-shaped port, a circular port, an oval port, a trapezoidal port, a triangular port, and a shaped port.
The microwave oven provided by the embodiment of the invention comprises: the bottom wall of the main body is provided with a first avoidance port; the waveguide for a microwave oven according to any one of the embodiments above is located outside the main body, the first transmission section is fixed to a bottom wall of the main body, the plurality of first microwave coupling ports are located in the first avoiding port, and the second transmission section is fixed to a side wall of the main body; and the microwave generating device is fixed on the second transmission section.
In an exemplary embodiment, a second avoidance port is provided on a side wall of the main body, and the second microwave coupling port is located in the second avoidance port.
In the technical scheme of the invention, the first transmission section is provided with the plurality of first microwave coupling ports, and compared with the arrangement of only one first microwave coupling port, the arrangement of the plurality of first microwave coupling ports can ensure that the microwave transmitted out from the first transmission section is wider and more dispersed, so that the waveguide is applied to the microwave oven, the microwave transmitted into the microwave oven from the plurality of first microwave coupling ports is more uniformly distributed in the microwave oven, and the microwave oven can better heat food uniformly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a waveguide for a microwave oven according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a microwave oven according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:
100 a first transmission section, 110 a first microwave coupling port, 200 a second transmission section, 210 a second microwave coupling port, 220 a mounting part, 300 a first corner region, 400 a main body and 500 a microwave generating device.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; "coupled" may be direct or indirect through an intermediary, and may be internal to two elements or an interaction of two elements unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1, the waveguide for a microwave oven according to an embodiment of the present invention includes: a first transmission segment 100; and a second transmission section 200 perpendicular to and communicating with the first transmission section 100, the first transmission section 100 and the second transmission section 200 enclosing a first corner area 300; the side wall of the first transmission section 100 facing the first corner region 300 is provided with a plurality of first microwave coupling ports 110, and the microwaves transmitted in the second transmission section 200 can enter the first transmission section 100 and are transmitted outwards from the plurality of first microwave coupling ports 110.
The first transmission section 100 of the waveguide for the microwave oven is provided with the plurality of first microwave coupling ports 110, and compared with the arrangement of only one first microwave coupling port 110, the arrangement of the plurality of first microwave coupling ports 110 can enable the range of microwaves transmitted out from the first transmission section 100 to be larger and more dispersed, so that the waveguide is applied to the microwave oven, the microwaves transmitted into the microwave oven from the plurality of first microwave coupling ports 110 are more uniformly distributed in the microwave oven, and the microwave oven can heat food more uniformly.
In one example, the second transmission section 200 is provided with a mounting portion 220 (shown in fig. 2) for fixing a microwave generating device, the microwave generating device is fixed to the mounting portion 220, and the microwave generated by the microwave generating device is transmitted in the second transmission section 200.
In one embodiment, the mounting portion 220 is a mounting hole (shown in fig. 2) located on a side wall of the second transmission section 200 facing away from the first corner region 300, from which the microwave generating device is mounted into the second transmission section 200.
In one embodiment, the microwave generating means is provided as a magnetron (as shown in figure 2).
In one example, as shown in fig. 1, the number of the plurality of first microwave coupling openings 110 is 8, and the 8 first microwave coupling openings 110 are arranged in a plurality of rows and columns, so that the range of the microwaves transmitted from the 8 first microwave coupling openings 110 is larger, the microwaves are more dispersed, and uniform heating of the food can be better achieved.
Of course, the first microwave coupling ports 110 may be arranged uniformly, and the like, and the purpose of the present application may also be achieved, and the purpose of the present application does not depart from the design concept of the present invention, and therefore, the present application is not described herein again, and the present application also falls within the protection scope of the present application.
In one embodiment, the adjacent first microwave coupling openings 110 in each row have the same shape but are not parallel to each other, so that the microwave distribution uniformity can be improved. As shown in fig. 1, the 8 first microwave coupling ports 110 are arranged in two rows and four columns, the adjacent first microwave coupling ports 110 on each row are arranged in a shape of a Chinese character 'ba', and the two first microwave coupling ports 110 on each row are arranged in parallel, so that the range of the microwaves transmitted from the 8 first microwave coupling ports 110 is wider, the microwaves are more dispersed, the microwaves are distributed more uniformly, and the food can be heated uniformly.
The size and position of the first microwave coupling port 110 can be obtained through simulation, experiment or calculation, so that the equivalent impedance of the first microwave coupling port 110 is matched with the impedance of the microwave generating device.
As shown in fig. 1, the plurality of first microwave coupling ports 110 may be any one of a rectangular port, a diamond port, a circular port, an elliptical port, a trapezoidal port, a triangular port, and a special-shaped port, and the plurality of first microwave coupling ports 110 may also be any one of a rectangular port, a diamond port, a circular port, an elliptical port, a trapezoidal port, a triangular port, and a special-shaped port; the above objectives can be achieved without departing from the design concept of the present invention, and therefore, the details are not repeated herein and all of the objectives should fall within the protection scope of the present application.
The first microwave coupling port 110 may also be provided with three, four, five, six or ten, etc., which all can achieve the purpose of the present application, and the purpose thereof does not depart from the design concept of the present invention, and therefore, the details are not described herein, and all of them should fall within the protection scope of the present application.
In an exemplary embodiment, as shown in fig. 1, a side wall of the second transmission section 200 facing the first corner region 300 is provided with a second microwave coupling port 210, a mounting hole is located between the first microwave coupling port 110 and the second microwave coupling port 210, and the microwaves transmitted in the second transmission section 200 can also be transmitted outward from the second microwave coupling port 210. Therefore, the output range of the microwave is larger, the microwave is more dispersed, the microwave is more uniformly distributed, and the uniform heating of the microwave to the food can be further improved.
Of course, the mounting hole may also be located on a side of the second microwave coupling port 210 away from the first microwave coupling port 110, and the purpose of the present application may also be achieved.
As shown in fig. 1, the second microwave coupling port 210 may be any one of a rectangular port, a diamond-shaped port, a circular port, an elliptical port, a trapezoidal port, a triangular port, and a special-shaped port, and all the purposes of the present application can be achieved.
A plurality of second microwave coupling ports 210 may also be provided, and the plurality of second microwave coupling ports may be two, three or four, and the like, all of which can achieve the purpose of the present application, and the purpose of the present application does not depart from the design concept of the present invention, and therefore, the present application is not described herein again, and all of which fall within the protection scope of the present application.
In one embodiment, as shown in fig. 1, the first transmission section 100 is provided in a rectangular parallelepiped structure, and the second transmission section 200 is also provided in a rectangular parallelepiped structure.
The microwave oven provided by the embodiment of the invention, as shown in fig. 2, includes: a main body 400 having a first escape opening formed in a bottom wall thereof; the waveguide for the microwave oven according to any one of the embodiments is located outside the main body 400, the first transmission section 100 is fixed on the bottom wall of the main body 400, the plurality of first microwave coupling ports 110 are located in the first avoiding ports, the first avoiding ports realize that the bottom wall avoids microwaves, so that the microwaves output by the first microwave coupling ports 110 smoothly enter the main body 400, and the second transmission section 200 is fixed on the side wall of the main body 400; and a microwave generating device 500 fixed to the second transmission section 200.
In the microwave oven, the microwaves are transmitted into the microwave oven from the plurality of first microwave coupling ports 110, and can be applied to the microwave oven in a wider range and more uniformly, so that the microwave oven can heat food more uniformly.
In one embodiment, the food carrier is disposed on the bottom wall of the main body 400, and the microwaves are transmitted into the microwave oven from the plurality of first microwave coupling ports 110, so that the microwaves can act on the food carrier more uniformly and more extensively.
In an embodiment, a second avoiding opening is formed on a side wall of the main body 400, the second microwave coupling opening 210 is located in the second avoiding opening, and the second avoiding opening realizes side wall avoiding of microwaves, so that microwaves output by the second microwave coupling opening 210 can smoothly enter the main body 400.
The microwave is also transmitted into the microwave oven from the second microwave coupling port 210, so that the uniformity of the microwave distribution in the microwave oven can be further improved, and therefore, the uniformity of the food heating by the microwave oven can be further improved.
In summary, in the technical solution of the present invention, the first transmission section is provided with the plurality of first microwave coupling ports, and compared with the arrangement of only one first microwave coupling port, the arrangement of the plurality of first microwave coupling ports can make the range of the microwaves transmitted from the first transmission section to the outside larger and more dispersed, so that the waveguide is applied to the microwave oven, the microwaves transmitted from the plurality of first microwave coupling ports into the microwave oven are distributed more uniformly in the microwave oven, and the microwave oven can heat food more uniformly.
In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "opposite", "four corners", "periphery", "mouth" structure ", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the structures referred to have specific orientations, are configured and operated in specific orientations, and thus, are not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "directly connected," "indirectly connected," "fixedly connected," "mounted," and "assembled" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening media, or may be connected through two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (11)
1. A waveguide for a microwave oven, comprising:
a first transmission section; and
the second transmission section is perpendicular to and communicated with the first transmission section, and a first corner area is enclosed by the first transmission section and the second transmission section;
the side wall of the first transmission section facing the first corner region is provided with a plurality of first microwave coupling ports, and microwaves transmitted in the second transmission section can enter the first transmission section and are transmitted outwards from the first microwave coupling ports.
2. The waveguide for a microwave oven according to claim 1, wherein a sidewall of the second transmission section facing the first corner region is provided with a second microwave coupling port, and the microwaves transmitted in the second transmission section are also transmitted outward from the second microwave coupling port.
3. The waveguide for a microwave oven as claimed in claim 2, wherein the second microwave coupling port includes one or more of a rectangular port, a diamond-shaped port, a circular port, an oval port, a trapezoidal port, a triangular port and a shaped port.
4. The waveguide for a microwave oven according to claim 1, wherein the second transmission section is provided with a mounting part for fixing the microwave generating device.
5. The waveguide for a microwave oven according to claim 2, wherein the second transmission section is provided with a mounting portion for fixing a microwave generating device, the mounting portion being located between the first microwave coupling port and the second microwave coupling port.
6. The waveguide for a microwave oven according to claim 4 or 5, wherein the mounting part is a mounting hole on a sidewall of the second transmission section facing away from the first corner region.
7. The waveguide for a microwave oven according to any one of claims 1 to 5, wherein the number of the first microwave coupling ports is 8, and 8 first microwave coupling ports are arranged in a plurality of rows and columns.
8. The waveguide for a microwave oven according to claim 7, wherein,
the adjacent first microwave coupling ports on each row are not parallel to each other; or
The adjacent first microwave coupling ports on each row are arranged according to a splay shape, and the first microwave coupling ports on each row are arranged in parallel.
9. The waveguide for a microwave oven according to any one of claims 1 to 5, wherein the plurality of first microwave coupling ports comprise one or more of a rectangular port, a diamond-shaped port, a circular port, an oval port, a trapezoidal port, a triangular port, and a shaped port.
10. A microwave oven, comprising:
the bottom wall of the main body is provided with a first avoidance port;
the waveguide for a microwave oven according to any one of claims 1 to 9, which is located outside the main body, the first transfer section being fixed to a bottom wall of the main body, the plurality of first microwave coupling ports being located in the first bypass port, the second transfer section being fixed to a side wall of the main body; and
and the microwave generating device is fixed on the second transmission section.
11. The microwave oven as claimed in claim 10, wherein the waveguide for microwave oven is the waveguide for microwave oven as claimed in claim 2, a second escape opening is provided on a side wall of the main body, and the second microwave coupling opening is located in the second escape opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111578980.XA CN114340071A (en) | 2021-12-22 | 2021-12-22 | Waveguide for microwave oven and microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111578980.XA CN114340071A (en) | 2021-12-22 | 2021-12-22 | Waveguide for microwave oven and microwave oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114340071A true CN114340071A (en) | 2022-04-12 |
Family
ID=81053780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111578980.XA Pending CN114340071A (en) | 2021-12-22 | 2021-12-22 | Waveguide for microwave oven and microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114340071A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1826026A (en) * | 2005-02-24 | 2006-08-30 | 厦门灿坤实业股份有限公司 | Uniform radiation microwave heating method and device |
| CN103650637A (en) * | 2011-07-04 | 2014-03-19 | 松下电器产业株式会社 | Microwave heating device |
| CN106164593A (en) * | 2014-05-26 | 2016-11-23 | 伊莱克斯家用电器股份公司 | There is the microwave oven of the waveguide including reflector element |
-
2021
- 2021-12-22 CN CN202111578980.XA patent/CN114340071A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1826026A (en) * | 2005-02-24 | 2006-08-30 | 厦门灿坤实业股份有限公司 | Uniform radiation microwave heating method and device |
| CN103650637A (en) * | 2011-07-04 | 2014-03-19 | 松下电器产业株式会社 | Microwave heating device |
| CN106164593A (en) * | 2014-05-26 | 2016-11-23 | 伊莱克斯家用电器股份公司 | There is the microwave oven of the waveguide including reflector element |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR950003782B1 (en) | Microwave range with a two-way heating system | |
| CN210690881U (en) | Cage assembly for electrical connector and electronic system | |
| CN114340071A (en) | Waveguide for microwave oven and microwave oven | |
| JPH10284246A (en) | Microwave oven | |
| CN213483981U (en) | Four-ridge horn antenna | |
| KR950013271B1 (en) | Triangular antena array for microwave oven | |
| CN212204637U (en) | Electric cooking appliance | |
| CN209746197U (en) | Heat dissipation structure of small pluggable connector shell | |
| CN209056583U (en) | A kind of X-band high power circular cavity filter | |
| CN216795610U (en) | Heat dissipation casing and have its intelligent device | |
| CN210840114U (en) | Microwave heating antenna | |
| CN211720890U (en) | Gateway equipment | |
| CN114302526A (en) | Microwave oven | |
| JPH11176570A (en) | Microwave oven | |
| CN215833597U (en) | Radar receiving and transmitting assembly | |
| JP2643498B2 (en) | High frequency heating equipment | |
| CN219865598U (en) | Engineering machinery engine radiator fan housing | |
| CN114340072A (en) | Antenna device for microwave oven and microwave oven | |
| CN217037794U (en) | Control cabinet and weaving machine | |
| CN218603838U (en) | NAS box with heat radiation structure | |
| JPS5946553U (en) | microwave therapy device | |
| AU753300B2 (en) | Air cooled termination for transmission lines | |
| CN219643095U (en) | Filter | |
| CN215867084U (en) | Self-cooling radar transceiving component | |
| CN214672916U (en) | High-power load |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |