JPS59190097U - High frequency heating device - Google Patents

High frequency heating device

Info

Publication number
JPS59190097U
JPS59190097U JP8623283U JP8623283U JPS59190097U JP S59190097 U JPS59190097 U JP S59190097U JP 8623283 U JP8623283 U JP 8623283U JP 8623283 U JP8623283 U JP 8623283U JP S59190097 U JPS59190097 U JP S59190097U
Authority
JP
Japan
Prior art keywords
high frequency
circuit
heating device
pll circuit
frequency heating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP8623283U
Other languages
Japanese (ja)
Other versions
JPH0241835Y2 (en
Inventor
小菅　信吾
岡野　孝男
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Electronics Industry Co Ltd
Original Assignee
Fuji Electronics Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuji Electronics Industry Co Ltd filed Critical Fuji Electronics Industry Co Ltd
Priority to JP8623283U priority Critical patent/JPS59190097U/en
Publication of JPS59190097U publication Critical patent/JPS59190097U/en
Application granted granted Critical
Publication of JPH0241835Y2 publication Critical patent/JPH0241835Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • General Induction Heating (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の高周波加熱装置を示す構成説明図、第２
図は本考案の一実施例を示す構成説明図、第３図は第１
図の共振回路のインピーダンス特性を示す図である。 １１・・・ＰＬＬ回路、１３・・・コンデンサ、１４・
・・コイル、１５・・・位相比較器、１８・・・可変位
相器、２０・・・積分増幅器。Figure 1 is an explanatory diagram of the configuration of a conventional high-frequency heating device;
The figure is a configuration explanatory diagram showing one embodiment of the present invention, and FIG.
It is a figure which shows the impedance characteristic of the resonant circuit of a figure. 11...PLL circuit, 13...capacitor, 14...
... Coil, 15 ... Phase comparator, 18 ... Variable phase shifter, 20 ... Integrating amplifier.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 高周波電力を発生するＰＬＬ回路と、このＰＬＬ回路の
出力が加えられ被加熱物を高周波誘導加熱するコイル及
びコンデンサよりなる共振回路と、この共振回路のコン
デンサ電圧を前記ＰＬＬ回路に帰還する回路に設けられ
た可変位相器と、前記共振回路のコンデンサ電圧の位相
と前記ＰＬＬ回路の出力電圧の位相との差に応じた修正
信号で前記可変位相器を制御する積分増幅器よりなる制
御増幅器とを具備することを特徴とする高周波加熱装置
。A PLL circuit that generates high frequency power, a resonant circuit consisting of a coil and a capacitor to which the output of this PLL circuit is applied and heats the object to be heated by high frequency induction, and a circuit that feeds back the capacitor voltage of this resonant circuit to the PLL circuit. and a control amplifier including an integrating amplifier that controls the variable phase shifter with a correction signal according to a difference between the phase of the capacitor voltage of the resonant circuit and the phase of the output voltage of the PLL circuit. A high frequency heating device characterized by:
JP8623283U 1983-06-06 1983-06-06 High frequency heating device Granted JPS59190097U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8623283U JPS59190097U (en) 1983-06-06 1983-06-06 High frequency heating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8623283U JPS59190097U (en) 1983-06-06 1983-06-06 High frequency heating device

Publications (2)

Publication Number Publication Date
JPS59190097U true JPS59190097U (en) 1984-12-17
JPH0241835Y2 JPH0241835Y2 (en) 1990-11-07

Family

ID=30216172

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8623283U Granted JPS59190097U (en) 1983-06-06 1983-06-06 High frequency heating device

Country Status (1)

Country Link
JP (1) JPS59190097U (en)

Also Published As

Publication number Publication date
JPH0241835Y2 (en) 1990-11-07

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