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High-frequency heating device

A high-frequency heating device, high-frequency technology, applied in the direction of electric heating device, microwave heating, electric/magnetic/electromagnetic heating, etc., can solve the problem of radiation distribution changes that cannot be used for high-frequency power

Active Publication Date: 2019-02-05
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, conventional high-frequency heating devices cannot change the radiation distribution of high-frequency power in the thickness direction of the object to be heated.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0021] Below, use figure 1 The high-frequency heating device 100 of this embodiment will be described.

[0022] figure 1 It is a block diagram showing the basic configuration of the high-frequency heating device 100 of this embodiment.

[0023] Such as figure 1 As shown, the high-frequency heating device 100 includes a surface wave exciter 103 , a high-frequency power supply unit 110 , a high-frequency power generation unit 120 , an installation table 101 on which an object to be heated 102 is placed, and the like. The high-frequency heating device 100 heat-processes an object to be heated 102 placed on an installation table 101 .

[0024] At this time, the high-frequency heating device 100 is set so that the frequency of the high-frequency power generated by the high-frequency power generation unit 120 and the excitation frequency of the surface wave exciter 103 have a predetermined frequency relationship with each other. The intended frequency relationship is set so that...

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Abstract

The present invention comprises: a high-frequency power generation part (120) that generates high-frequency power; a surface wave excitation body (103) that uses surface waves to propagate the high-frequency power and thereby heats an object to be heated (102); a high-frequency power supply part (110) that supplies the high-frequency power to the surface wave excitation body (103); and a mountingstand (101) for mounting the object to be heated (102). In accordance with the surface concentration desired for the high-frequency power near the surface wave excitation body (103), the high-frequency power generation part (120) establishes a magnitude correlation between the frequency of the high-frequency power supplied to the surface wave excitation body (103) and the excitation frequency of the surface wave excitation body (103) and heats the object to be heated (102). The present invention thereby provides a high-frequency heating device (100) that can change the thickness-direction heating state of the object to be heated (102).

Description

technical field [0001] The present invention relates to a high-frequency heating device having a surface wave exciter using a periodic structure. Background technique [0002] Conventionally, there has been disclosed a technology related to a high-frequency heating device that applies high-frequency power (high-frequency power) to a surface wave exciter using a periodic structure to heat a food or other object to be heated ( For example, see Patent Document 1). [0003] The high-frequency heating device of Patent Document 1 has an impedance variable section that changes the impedance of the terminal portion of an interdigitated tape line (interdigitated tape line) (surface wave line) over time. The variable impedance portion changes the standing wave distribution over time to move a portion that radiates relatively strong energy. Thereby, the whole food is heated efficiently. [0004] That is, the above-mentioned high-frequency heating device changes the standing wave dis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B6/74H05B6/68
CPCH05B6/707
Inventor 冈岛利幸大森义治吉野浩二宇野博之上岛博幸
Owner PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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