JPS597595U

JPS597595U - high frequency heater

Info

Publication number: JPS597595U
Application number: JP10355182U
Authority: JP
Inventors: 高野　「あ」久; 昇倉田; 楠木　慈; 博文吉村
Original assignee: 松下電器産業株式会社
Priority date: 1982-07-07
Filing date: 1982-07-07
Publication date: 1984-01-18

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図ａ、　　ｂ、　　ｃは本考案による表面波線路の
説明図、第２図は第１図の表面波線路の加熱パターンの
説明図、第３図ａ、　　ｂ、　　ｃは本考案による他の
表面波線路の説明図、第４図ａ、　　ｂは第３図の表面
波線路の加熱パターンの説明図、第５図は本考案の一実
施例を示す高周波加熱器の断面図、第６図ａ、　　ｂお
よび第７図は水平面内に於ける加熱むらの説明図、第８
図は本考案の他の実施例を　　　□示す断面図、第９図
は同表面波線路の斜視図、第１０図は同水平面内に於け
る加熱むらの説明図である。４・・・・・・電波発振器、５・・・・・・被加熱物、
９・・・・・・表面波線路、１０・・・・・・誘電体カ
バー。第４図ゝＡ αυ （ｂ）、２Figures 1 a, b, and c are explanatory diagrams of the surface wave line according to the present invention, Figure 2 is an explanatory diagram of the heating pattern of the surface wave line of Figure 1, and Figure 3 a, b, and c are illustrations of the surface wave line according to the present invention. Figures 4a and 4b are explanatory diagrams of the heating pattern of the surface wave line in Figure 3, Figure 5 is a sectional view of a high frequency heater showing an embodiment of the present invention, Figure 6 Figures a, b and Figure 7 are explanatory diagrams of heating unevenness in the horizontal plane, Figure 8.
The figure is a sectional view showing another embodiment of the present invention, FIG. 9 is a perspective view of the same surface wave line, and FIG. 10 is an explanatory diagram of heating unevenness in the same horizontal plane. 4...Radio wave oscillator, 5...Heated object,
9...Surface wave line, 10...Dielectric cover. Figure 4 A αυ (b), 2

Claims

[Scope of utility model registration request]

(1) A surface wave line made of a plurality of periodic structures that excites a surface wave state is provided in the heating chamber, and at least a part of the radio wave energy from a radio wave oscillator is coupled to the surface wave line to be heated. A dielectric cover is positioned between the object and the third surface wave line, at least one of the two is rotatable, and the object to be heated and the surface wave line are positioned close to each other and face each other. The high-frequency heater has a structure in which the plurality of periodic structures are arranged asymmetrically with respect to the rotation center of the object to be heated or the surface wave line.

(2) Surface wave line cm, used in a flat metal conductor A planar periodic structure in which one or more slits are formed that bend in a zigzag pattern at a pitch of less than half the free space wavelength of radio waves. A high-frequency heater according to claim 1 of the utility model registration claim consisting of:

(3) A surface wave line is formed by at least one periodic structure in which a plurality of slits are arranged substantially in a metal conductor at a period of one-half or less of the free space wavelength of the radio wave used. A high-frequency heater according to claim 1 of the utility model registration claim.