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Microwave heating device

A microwave heating device and microwave technology are applied in microwave heating, electric heating device, electric/magnetic/electromagnetic heating and other directions to achieve the effects of suppressing reflected wave components, high reliability, and preventing temperature rise

Active Publication Date: 2014-04-09
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to use this kind of electric oven, only the inside of the food is heated by the heater. There is no method other than reducing the heat (output) and slowly heating by heat conduction at a low temperature for a long time so that the surface of the food does not burn. other way

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0061] As Embodiment 1 of this invention, the heating cooker in a microwave heating apparatus is demonstrated. In addition, in each of the following embodiments, a microwave oven having at least one heater will be described as an example of the heating means of the heating cooker.

[0062] figure 1 It is a front sectional view showing the internal structure of main parts in the heating cooker which is the microwave heating device according to Embodiment 1 of the present invention. exist figure 1 In the shown heating cooker, a heating chamber 11 for medium heating (high-frequency heating) of food 15 as an object to be heated is provided inside a casing 10 constituting the outer appearance of the heating cooker. That is, in the heating chamber 11, the food 15 as an object to be heated is accommodated, microwaves are radiated to the food 15, and high-frequency heating is performed. Inside the heating chamber 11 formed of a steel plate with an enamel-coated surface, two upper...

Embodiment approach 2

[0111] Hereinafter, a heating cooker according to Embodiment 2 will be described as an example of the microwave heating device of the present invention. The heating cooker according to Embodiment 2 is largely different from the above-described heating cooker according to Embodiment 1 in the structure for supplying microwaves to the heating chamber.

[0112] In the following description of the heating cooker according to Embodiment 2, elements having the same functions and structures as those of the heating cooker according to Embodiment 1 are assigned the same reference numerals, and the detailed description thereof applies to Embodiment 1. instruction of. Figure 4 It is a front sectional view showing the internal structure of a main part in the heating cooker of Embodiment 2. Figure 5 yes Figure 4 Side cutaway view of the heating cooker shown.

[0113] Such as Figure 4 and Figure 5 As shown, in the heating cooker according to the second embodiment, the waveguide 21 ...

Embodiment approach 3

[0138] Hereinafter, a heating cooker according to Embodiment 3 will be described as an example of the microwave heating device of the present invention. The heating cooker of Embodiment 3 is largely different from the heating cookers of Embodiments 1 and 2 described above in the structure for supplying microwaves to the heating chamber. In the heating cooker of Embodiment 3, the configuration of Embodiment 1 or Embodiment 2 is applied to other configurations.

[0139] In the following description of the heating cooker of Embodiment 3, elements having the same functions and structures as those of the heating cookers of Embodiments 1 and 2 are attached with the same reference numerals, and the detailed description thereof is as follows: The description of Embodiment Mode 1 and Embodiment Mode 2 applies.

[0140] Figure 8 and Figure 9 It is a sectional view of main parts showing a power supply unit and an object to be heated in the heating cooker according to Embodiment 3. ...

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Abstract

This microwave heating device comprises a power feed unit (22) that emits microwaves and has the following: a vertical shaft element (22b) that is provided in a vertical direction by penetrating a coupling hole (25) formed at an area where a power feed chamber (24) and a waveguide (21) connect; and a plate element (22a) that connects to the vertical shaft element and has an emission surface for emitting microwaves to the heating chamber. At least a portion of the microwave emission surface of the plate element is disposed so as to be oblique at a prescribed angle with respect to the horizontal direction.

Description

technical field [0001] The present invention relates to a microwave heating device for medium-heating an object to be heated by radiating microwaves, and particularly to a heating cooker for medium-heating and cooking food as an object to be heated. Background technique [0002] Among microwave heating devices, the basic structure of a heating cooker using microwaves represented by a microwave oven has: a heating chamber shielded in such a way that microwaves do not leak to the outside; a magnetron generating microwaves; The microwaves generated by the tube are transmitted to the waveguide in the heating chamber. [0003] In the heating cooker, various configurations can be used in accordance with the purpose of the components other than the above-mentioned heating chamber, magnetron, and waveguide. For example, depending on the direction from which microwaves are incident on the heating chamber, there are horizontal feeding methods, bottom feeding methods, upward feeding m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B6/72H05B6/70
CPCH05B6/725H05B6/6473H05B6/6482H05B6/707
Inventor 近藤龙太西村诚涩谷昌树
Owner PANASONIC CORP
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