Microwave oven with double oven chambers

By designing a dual-cavity structure and independent microwave channels in the microwave oven, the problem of uneven heating of food under a single-cavity structure is solved, achieving independent and uniform food heating effect and reducing costs.

CN223460501UActive Publication Date: 2025-10-21ZHEJIANG TIANXI KITCHEN APPLIANCE CO LTD
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Patent Information

Application Number
CN202520111605.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2025-10-21
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

The single-cavity structure of existing microwave ovens limits the ability to process different ingredients at the same time, resulting in uneven heating effects.

Method used

A dual-cavity structure was designed, employing two independent cavities and a microwave component. The microwave generator is connected to the two cavities via two channels of a waveguide, and combined with a stirrer and a heat dissipation component, each cavity is heated independently.

Benefits of technology

This allows for independent heating of each cavity, avoiding interference between food items, improving heating uniformity and flexibility, and reducing the manufacturing cost of microwave ovens.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of microwave ovens, particularly provides a microwave oven with double oven chambers, and aims to solve the problem that cooking food materials are relatively single due to a single-chamber structure of the microwave oven in the prior art. The machine comprises a machine body, the first furnace chamber and the second furnace chamber are arranged in the machine body; the microwave assembly comprises a microwave generator and a waveguide tube, the waveguide tube is provided with a first channel and a second channel, the first channel is communicated with the microwave generator and the first oven chamber, and the second channel is communicated with the microwave generator and the second oven chamber. The two oven chambers share the same microwave assembly, so that the manufacturing cost is reduced. Besides, one part of microwaves generated by the microwave generator can be output into the first oven cavity through the first channel, the other part of the microwaves can be output into the second oven cavity through the second channel, it is ensured that each oven cavity can achieve microwave heating, mutual interference between the two oven cavities can be effectively avoided, and different food materials can be cooked.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of microwave oven, specifically relates to a microwave oven of double oven cavity. BACKGROUND

[0002] Most of the existing microwave oven adopts single cooking cavity structure, however, this single cavity structure limits the ability of processing different food materials at the same time, because in the cooking process, the microwave oven needs to heat all the food at the same time, leading to the uneven heating effect of different food materials. For example, some food may need high temperature and rapid heating, and some need low temperature and slow heating, which is difficult to realize in a single cavity. SUMMARY

[0003] The utility model provides a microwave oven of double oven cavity, aims at solving the problem of single cooking food material caused by the single cavity structure of microwave oven in prior art.

[0004] In order to solve the above technical problem, the utility model adopts the technical scheme that:

[0005] The utility model provides a microwave oven of double oven cavity, including:

[0006] Machine body;

[0007] First oven cavity, set up in the machine body;

[0008] Second oven cavity, set up in the machine body;

[0009] Microwave assembly, the microwave assembly includes microwave generator and waveguide pipe, is equipped with first passageway and second passageway on the waveguide pipe, and the both ends of the first passageway are communicated with the microwave generator and the first oven cavity respectively, and the both ends of the second passageway are communicated with the microwave generator and the second oven cavity respectively;

[0010] Radiating assembly, set up on the outside of the machine body.

[0011] Further scheme: the waveguide pipe is composed of waveguide cover that sets up on the side wall of the machine body;The microwave generator is magnetron, and the magnetron is arranged on the side wall of the machine body, and the magnetron is located in the waveguide cover;The first passageway and the second passageway are all enclosed by the waveguide cover and the machine body.

[0012] Based on the above scheme, the waveguide cover is arranged on the side wall of the machine body, so that the first passageway and the second passageway are formed between the waveguide cover and the machine body for microwave circulation. In addition, the waveguide cover facilitates the inspection or maintenance of the waveguide system of the microwave oven.

[0013] Further scheme: the waveguide cover is provided with an upper waveguide end and a lower waveguide end; the first channel is located between the magnetron and the upper waveguide end, and the second channel is located between the magnetron and the lower waveguide end.

[0014] Further scheme: the first furnace cavity and the second furnace cavity are arranged in the up-down direction.

[0015] The sidewall of the machine body is provided with an upper microwave input port, the upper waveguide end communicates with the upper microwave input port, and the first channel communicates with the first furnace cavity through the upper microwave input port.

[0016] The bottom of the machine body is provided with a lower microwave input port, the lower waveguide end communicates with the lower microwave input port, and the second channel communicates with the second furnace cavity through the lower microwave input port.

[0017] Based on the above scheme, the upper microwave input port enables the microwave generated by the magnetron to enter the first furnace cavity along the first channel, so that the first furnace cavity realizes microwave heating. The lower microwave input port enables the microwave generated by the magnetron to enter the second furnace cavity along the second channel, so that the second furnace cavity realizes microwave heating.

[0018] Further scheme: the second furnace cavity is provided with a ceramic plate and a second furnace cavity microwave stirrer inside, the second furnace cavity microwave stirrer comprises a rotating stirring blade; the stirring blade is located below the ceramic plate.

[0019] Based on the above scheme, the stirring blade can disrupt the reflection path of the microwave in the second furnace cavity, so that the microwave can be uniformly distributed in the second furnace cavity.

[0020] Further scheme: the second furnace cavity microwave stirrer further comprises a stirring shaft, the stirring shaft is connected with the stirring blade through the lower microwave input port.

[0021] Based on the above scheme, the stirring shaft is connected with the stirring blade through the lower microwave input port, so that the structure inside the machine body is relatively compact, and the volume of the microwave oven can be reduced.

[0022] Further scheme: the front side of the second furnace cavity is provided with a second door body, the second door body is fixed with a cooking barrel, and the cooking barrel is pullably located in the second furnace cavity.

[0023] Further scheme: the front side of the first furnace cavity is rotatably provided with a pull-down first door body.

[0024] Further scheme: a turntable is rotatably arranged inside the first furnace cavity, and a first furnace cavity microwave stirrer is arranged below the turntable.

[0025] Based on the above scheme, food can be placed on the rotating disc, and the rotating disc can uniformly distribute the food under microwave radiation, thereby improving the uniformity of heating and avoiding partial overheating or non-heating.

[0026] Further scheme: the heat dissipation assembly comprises a heat dissipation fan.

[0027] Based on the above scheme, the heat dissipation fan can dissipate heat from the magnetron and other components (such as a circuit control board) in the main machine, ensuring the safe use of the microwave oven and prolonging the service life.

[0028] The beneficial effects of the present application are as follows:

[0029] In the present application, two furnace cavities are provided, namely a first furnace cavity and a second furnace cavity, and the two furnace cavities share a set of microwave components, thereby reducing the manufacturing cost of the microwave oven. By providing two channels in the waveguide, namely a first channel and a second channel, the microwaves generated by the microwave generator can be output to the first furnace cavity through the first channel, and the microwaves generated by the microwave generator can also be output to the second furnace cavity through the second channel, ensuring that each furnace cavity can achieve microwave heating, and effectively avoiding mutual interference between the two furnace cavities, and different food materials can be cooked. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0031] Figure 1 is a cross-sectional view of a microwave oven with double furnace cavities of the present application;

[0032] Figure 2 is an exploded structural schematic view of a microwave oven with double furnace cavities of the present application;

[0033] Figure 3 is a structural schematic view of a waveguide cover in the present application.

[0034] Explanation of reference numerals in the drawings:

[0035] 1-body; 11-magnetron mounting portion; 12-housing; 2-waveguide cover; 21-upper waveguide end; 22-lower waveguide end; 23-first channel; 24-second channel; 3-magnetron; 4-first furnace cavity; 41-upper microwave input port; 42-rotating disc; 43-first furnace cavity microwave stirrer; 44-first door body; 5-second furnace cavity; 51-lower microwave input port; 52-ceramic plate; 53-second furnace cavity microwave stirrer; 54-second door body; 55-cooking barrel; 6-handle. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the utility model will be clearly and completely described in connection with the drawings in the embodiments of the utility model. It should be understood that the specific embodiments described herein are only used to explain the utility model and not used to limit the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.

[0037] As shown in the drawings, Figure 1 The embodiment provides a microwave oven with double furnace cavities, which comprises:

[0038] a body 1;

[0039] a first furnace cavity 4 arranged in the body 1;

[0040] a second furnace cavity 5 arranged in the body 1;

[0041] a microwave assembly, wherein the microwave assembly comprises a microwave generator and a waveguide tube, the waveguide tube is provided with a first channel 23 and a second channel 24, two ends of the first channel 23 are communicated with the microwave generator and the first furnace cavity 4 respectively, and two ends of the second channel 24 are communicated with the microwave generator and the second furnace cavity 5 respectively;

[0042] a heat dissipation assembly arranged on the outside of the body 1.

[0043] As shown in the drawings, Figure 1 and Figure 2 More specific cases of the above-mentioned scheme are as follows: the waveguide tube is composed of a waveguide cover 2 arranged on the side wall of the body 1; the microwave generator is a magnetron 3, the magnetron 3 is arranged on the side wall of the body 1, and the magnetron 3 is located inside the waveguide cover 2; the first channel 23 and the second channel 24 are both surrounded by the waveguide cover 2 and the body 1.

[0044] Among them, the waveguide cover 2 is provided with an upper waveguide end 21 and a lower waveguide end 22; the first channel 23 is located between the magnetron 3 and the upper waveguide end 21, and the second channel 24 is located between the magnetron 3 and the lower waveguide end 22.

[0045] The first furnace cavity 4 and the second furnace cavity 5 are arranged vertically;

[0046] An upper microwave input port 41 is formed on the side wall of the machine body 1, the upper waveguide end 21 is communicated with the upper microwave input port 41, and the first channel 23 is communicated with the first furnace cavity 4 through the upper microwave input port 41;

[0047] A lower microwave input port 51 is formed on the bottom of the machine body 1, the lower waveguide end 22 is communicated with the lower microwave input port 51, and the second channel 24 is communicated with the second furnace cavity 5 through the lower microwave input port 51.

[0048] Specifically, as shown in the figure, Figure 3 The waveguide cover 2 is in L shape formed by a vertically arranged cover body and a horizontally arranged cover body, and one side of the vertically arranged cover body is further provided with a cover body for covering the magnetron 3; the upper waveguide end 21 is located at the upper end of the vertically arranged cover body, and the first channel 23 is arranged along the vertically arranged cover body. The lower waveguide end 22 is located at the right end of the horizontally arranged cover body, and the second channel 24 is arranged along the horizontally arranged cover body.

[0049] The waveguide cover 2 is arranged on the left side wall of the machine body 1, at this time, one part of the microwaves generated by the magnetron 3 is transmitted along the vertically arranged cover body to the upper waveguide end 21, and enters the first furnace cavity 4 through the upper microwave input port 41; another part of the microwaves generated by the magnetron 3 is transmitted along the horizontally arranged cover body to the lower waveguide end 22, and enters the second furnace cavity 5 through the lower microwave input port 51.

[0050] As shown in the figure, Figure 2 An installation part for installing the magnetron 3 is arranged in the machine body 1 and behind the second furnace cavity 5, and an installation hole is formed on the left side wall of the machine body 1, so that the microwaves generated by the magnetron 3 can flow between the first channel 23 and the second channel 24.

[0051] As shown in the figure, Figure 1 And Figure 2 For the second furnace cavity 5, more specifically, a ceramic plate 52 and a second furnace cavity microwave stirrer 53 are arranged inside the second furnace cavity 5, the second furnace cavity microwave stirrer 53 includes a rotatingly arranged stirring blade; the stirring blade is located below the ceramic plate 52. The second furnace cavity microwave stirrer 53 further includes a stirring shaft, and the stirring shaft is connected with the stirring blade through the lower microwave input port 51.

[0052] The front side of the second furnace cavity 5 is provided with a second door body 54, and a cooking barrel 55 is fixed on the second door body 54 and is pullably located in the second furnace cavity 5.

[0053] The cooking barrel 55 is used for placing food, and when the second furnace cavity 5 works, the cooking barrel 55 is located in the second furnace cavity 5 and above the ceramic plate 52. The front side of the second door body 54 is provided with a handle 6.

[0054] As shown in Figure 1 and Figure 2 More specifically, the front side of the first furnace cavity 4 is rotatably provided with a first door body 44 in a pull-down mode.

[0055] A rotating disc 42 is rotatably arranged in the first furnace cavity 4, and a first furnace cavity microwave stirrer 43 is arranged below the rotating disc 42. The rotating disc 42 can be used for placing food.

[0056] The rear side of the first door body 44 is provided with a hinge part at the lower part, and the first door body 44 is arranged on the front side of the first furnace cavity 4 through the hinge part.

[0057] More specifically, the heat dissipation assembly comprises a heat dissipation fan.

[0058] In the above technical solution, the outer side of the machine body 1 is further provided with an outer shell 12, and the heat dissipation fan is located at the lower part of the rear side wall of the outer shell 12.

[0059] The utility model will be further described in combination with working principle as follows:

[0060] When the microwave oven heats food, a part of the microwaves generated by the magnetron 3 is transmitted along the first channel 23 to the upper waveguide end 21 and enters the first furnace cavity 4 through the upper microwave input port 41. Under the action of the first furnace cavity microwave stirrer 43, the microwaves are uniformly radiated in the first furnace cavity 4 and heat the food. Another part of the microwaves generated by the magnetron 3 is transmitted along the second channel 24 to the lower waveguide end 22 and enters the second furnace cavity 5 through the lower microwave input port 51. Under the action of the second furnace cavity microwave stirrer 53, the microwaves are uniformly radiated in the second furnace cavity 5 and heat the food.

[0061] The utility model is not limited to the above optional implementation, and the schemes can be combined arbitrarily on the premise of not being contradictory; anyone can derive other various forms of products under the inspiration of the utility model, but regardless of any change in shape or structure, any technical scheme falling within the scope defined by the claims of the utility model falls within the protection scope of the utility model.

Claims

1. A microwave oven having double oven cavities, characterized in that, The utility model relates to a microwave oven, comprising: a machine body; a first furnace cavity arranged in the machine body; a second furnace cavity arranged in the machine body; a microwave assembly comprising a microwave generator and a waveguide, the waveguide being provided with a first channel and a second channel, the two ends of the first channel being respectively connected to the microwave generator and the first furnace cavity, the two ends of the second channel being respectively connected to the microwave generator and the second furnace cavity; a heat dissipation assembly arranged on the outside of the machine body.

2. The microwave oven having dual cavities as claimed in claim 1, wherein The waveguide is composed of a waveguide cover arranged on the side wall of the machine body; the microwave generator is a magnetron, which is arranged on the side wall of the machine body and located inside the waveguide cover; the first channel and the second channel are both enclosed by the waveguide cover and the machine body.

3. The microwave oven having dual cavities as claimed in claim 2, wherein The waveguide cover is provided with an upper waveguide end and a lower waveguide end; the first channel is located between the magnetron and the upper waveguide end, and the second channel is located between the magnetron and the lower waveguide end.

4. The microwave oven having dual cavities as claimed in claim 3, wherein The first furnace cavity and the second furnace cavity are arranged in the vertical direction; The side wall of the machine body is provided with an upper microwave input port, the upper waveguide end is connected to the upper microwave input port, and the first channel is connected to the first furnace cavity through the upper microwave input port; The bottom of the machine body is provided with a lower microwave input port, the lower waveguide end is connected to the lower microwave input port, and the second channel is connected to the second furnace cavity through the lower microwave input port.

5. The microwave oven having dual cavities as claimed in claim 4, wherein The second furnace cavity is provided with a ceramic plate and a second furnace cavity microwave stirrer inside, the second furnace cavity microwave stirrer comprising rotatingly arranged stirring blades; the stirring blades are located below the ceramic plate.

6. The microwave oven having dual cavities as claimed in claim 5, wherein The second furnace cavity microwave stirrer further comprises a stirring shaft, the stirring shaft being connected to the stirring blades through the lower microwave input port.

7. The microwave oven having dual cavities as claimed in claim 1, wherein The front side of the second furnace cavity is provided with a second door body, the second door body being fixed with a cooking barrel, the cooking barrel being pullably located in the second furnace cavity.

8. The microwave oven having dual cavities as claimed in claim 1, wherein The front side of the first furnace cavity is rotatably provided with a first door body in a pull-down manner.

9. The microwave oven having dual cavities as claimed in claim 1, wherein The first furnace cavity is rotatably provided with a turntable inside, the turntable being provided with a first furnace cavity microwave stirrer below.

10. The microwave oven having dual cavities as claimed in claim 1, wherein The heat dissipation assembly comprises a heat dissipation fan.