CN110913521A

CN110913521A - Radio frequency microwave heating device

Info

Publication number: CN110913521A
Application number: CN201811080307.1A
Authority: CN
Inventors: 张力潇; 俞国新; 劳春峰; 贾晓芸
Original assignee: Qingdao Haier Smart Technology R&D Co Ltd
Current assignee: Qingdao Haier Smart Technology R&D Co Ltd
Priority date: 2018-09-17
Filing date: 2018-09-17
Publication date: 2020-03-24

Abstract

The invention discloses a radio frequency microwave heating device, comprising: a heating cavity and a radio frequency microwave generating device; the heating cavity comprises a left side wall, a right side wall, a front side wall and a rear side wall; the radio frequency microwave generating device is arranged at the joint of the adjacent side walls of the heating cavity. The invention provides a radio frequency microwave heating device, comprising: the heating cavity and the radio frequency microwave generating device are arranged at the joints of the adjacent side walls in the left side wall, the right side wall, the front side wall and the rear side wall of the heating cavity, so that the microwaves emitted by the radio frequency microwave generating device are ensured to be directly radiated or reflected to the surface of an object to be heated through the side wall of the heating cavity, the microwave utilization rate is improved, and the energy consumption of the radio frequency microwave heating device is reduced.

Description

Radio frequency microwave heating device

Technical Field

The invention relates to the technical field of radio frequency microwave heating, in particular to a radio frequency microwave heating device.

Background

Traditional heating device adopts the heating pipe to heat more, but heating pipe heating efficiency is lower and the heating is inhomogeneous, consequently has that the microwave heating mode of heating characteristics such as even, fast, calorific loss is little, convenient operation is more and more common, for example: the radio frequency oven all-in-one machine, the microwave oven, the radio frequency oven, the unfreezing machine, the clothes dryer, the dryer and the like are all applied to microwave heating. Aiming at the heating devices which are most commonly used in the life of people and utilize microwave heating, such as: oven or microwave oven, heating element's setting mode has following two kinds: the heating element comprises a radio frequency microwave generating device and a heating pipe, the advantages of the radio frequency microwave generating device and the advantages of the heating pipe are comprehensively utilized for heating, at the moment, the radio frequency microwave generating device is mostly arranged on the side wall of the oven and the microwave oven, and the heating pipe is arranged on the top of the oven and the microwave oven. In the prior art, the inner walls of an oven and a microwave oven are mostly designed in a plane mode, and because the volumes of heated objects are different, part of microwaves emitted by a radio frequency microwave generating device can be reflected to the side walls of the oven and the microwave oven, so that the microwaves cannot be completely used for heating the heated objects, and the utilization rate of microwave energy is low.

Disclosure of Invention

The embodiment of the invention provides a radio frequency microwave heating device, and aims to solve the problem that the radio frequency microwave heating device in the prior art is low in energy utilization rate. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.

According to an embodiment of the present invention, there is provided a radio frequency microwave heating apparatus including: a heating cavity and a radio frequency microwave generating device; the heating cavity comprises a left side wall, a right side wall, a front side wall and a rear side wall; the radio frequency microwave generating device is arranged at the joint of the adjacent side walls of the heating cavity.

In some optional embodiments, the rf microwave generating device is disposed at a junction of the left sidewall and the rear sidewall and at a junction of the right sidewall and the rear sidewall.

In some optional embodiments, the rf microwave generating device is disposed at a junction of the left sidewall and the rear sidewall and at a junction of the right sidewall and the front sidewall; alternatively, the first and second electrodes may be,

the radio frequency microwave generating device is arranged at the joint of the left side wall and the front side wall and the joint of the right side wall and the rear side wall.

In some alternative embodiments, the rf microwave generating devices disposed at the junctions of the different sidewalls are located at the same distance from the top of the heating chamber.

The technical scheme provided by the embodiment of the invention has the following beneficial effects:

the invention provides a radio frequency microwave heating device, comprising: the heating cavity and the radio frequency microwave generating device are arranged at the joints of the adjacent side walls in the left side wall, the right side wall, the front side wall and the rear side wall of the heating cavity, so that the microwaves emitted by the radio frequency microwave generating device are ensured to be directly radiated or reflected to the surface of an object to be heated through the side wall of the heating cavity, the microwave utilization rate is improved, and the energy consumption of the radio frequency microwave heating device is reduced.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic diagram illustrating the construction of a radio frequency microwave heating apparatus according to an exemplary embodiment;

FIG. 2 is a schematic diagram illustrating the construction of a radio frequency microwave heating apparatus according to an exemplary embodiment;

FIG. 3 is a schematic diagram illustrating the construction of a radio frequency microwave heating apparatus according to an exemplary embodiment;

fig. 4 is a schematic structural diagram illustrating a radio frequency microwave heating apparatus according to an exemplary embodiment.

Detailed Description

The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Embodiments may be referred to herein, individually or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any single invention or inventive concept if more than one is in fact disclosed. Herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. As for the methods, products and the like disclosed by the embodiments, the description is simple because the methods correspond to the method parts disclosed by the embodiments, and the related parts can be referred to the method parts for description.

Fig. 1 is a block diagram illustrating an rf microwave heating apparatus according to an embodiment, which is a top view of the rf microwave heating apparatus, and the rf microwave heating apparatus includes: a heating chamber 1 and a radio frequency microwave generating device 2.

Wherein the heating chamber 1 comprises a left side wall 11, a right side wall 12, a front side wall 13 and a rear side wall 14. The radio frequency microwave generating device 2 is arranged at the joint of the adjacent side walls of the heating cavity 2. Optionally, the rf microwave generator 2 is embedded in an included angle between adjacent sidewalls of the heating cavity 2. Optionally, the side wall of the radio frequency microwave generating device 2 protruding the heating cavity 2 is disposed in the heating cavity 2 at the joint of the adjacent side walls of the heating cavity 2.

As shown in fig. 1, the radiation range of the microwaves emitted by the radio frequency microwave generating device 2 at the joint of the adjacent side walls of the heating cavity 2 is within an angle range of 90 degrees, and compared with the case where the radio frequency microwave generating device 2 is arranged at the top of the heating cavity 2, the radiation range is concentrated, and meanwhile, according to the difference in the volume of the heated object 4, the microwaves which are not directly emitted to the surface of the heated object 4 are reflected to the surface of the heated object 4 through the side walls of the radio frequency microwave generating device 2, thereby effectively improving the utilization rate of the microwaves.

The invention provides a radio frequency microwave heating device, comprising: the heating cavity and the radio frequency microwave generating device are arranged at the joints of the adjacent side walls in the left side wall, the right side wall, the front side wall and the rear side wall of the heating cavity, so that the microwaves emitted by the radio frequency microwave generating device are ensured to be directly radiated or reflected to the surface of a heated object through the side wall of the heating cavity, the microwave utilization rate is improved, the energy consumption of the radio frequency microwave heating device is reduced, the structure is simple, and the cost of the radio frequency microwave heating device is reduced.

In the specific embodiment, the rf microwave generating device 2 is mainly an rf microwave transmitting antenna, and the frequency range of the transmitted electromagnetic wave is 20KHz to 300GHz, which is used for heating the object placed in the heating chamber 1.

As shown in fig. 1, the heating chamber 1 includes a left side wall 11, a right side wall 12, a front side wall 13 and a rear side wall 14, and a joint is formed between any two adjacent side walls, so that the rf microwave generating device 2 can be disposed in various ways.

In some alternative embodiments, to increase the heating rate, the number of the rf microwave generating devices 2 is two or more, for example, two rf microwave generating devices 2 are included. Optionally, as shown in fig. 1, the rf microwave generating device 2 is disposed at a joint of the left sidewall 11 and the rear sidewall 14 of the rf microwave generating device 2 and a joint of the right sidewall 12 and the rear sidewall 14.

Optionally, as shown in fig. 2, the rf microwave generating device 2 is disposed at a junction between the left sidewall 11 and the back sidewall 14 of the rf microwave generating device 2 and at a junction between the right sidewall 12 and the front sidewall 13.

Alternatively, as shown in fig. 3, the rf microwave generating device 2 is disposed at the joint of the left sidewall 11 and the front sidewall 13 and the joint of the right sidewall 12 and the rear sidewall 14 of the rf microwave generating device 2.

Alternatively, as shown in fig. 4, the rf microwave generating device 2 is disposed at the joint of the left sidewall 11 and the front sidewall 13 of the rf microwave generating device 2 and the joint of the right sidewall 12 and the front sidewall 13.

In the foregoing embodiment, in order to improve the heating uniformity, the distances from the rf microwave generators 2 disposed at the junctions of the different sidewalls to the top of the heating chamber are the same, i.e., the rf microwave generators 2 are ensured to be located on the same horizontal plane.

In some optional embodiments, when the number of the rf microwave generators 2 is more than two, the rf microwave generators are respectively disposed at the connection points of different sidewalls, and in order to improve the heating uniformity, the distances from the plurality of rf microwave generators 2 to the top of the heating chamber are the same.

It should be understood that the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions. The present invention is not limited to the procedures and structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. A radio frequency microwave heating apparatus comprising: a heating cavity and a radio frequency microwave generating device; the heating cavity is characterized by comprising a left side wall, a right side wall, a front side wall and a rear side wall; the radio frequency microwave generating device is arranged at the joint of the adjacent side walls of the heating cavity.

2. The rf microwave heating device according to claim 1, wherein the rf microwave generating device is disposed at a junction of the left side wall and the rear side wall and a junction of the right side wall and the rear side wall.

3. The rf microwave heating device according to claim 1, wherein the rf microwave generating device is disposed at a junction of the left side wall and the rear side wall and a junction of the right side wall and the front side wall; alternatively, the first and second electrodes may be,

4. The rf microwave heating device of claim 1, wherein the rf microwave generating devices disposed at different sidewall junctions are located at the same distance from the top of the heating chamber.