JPS59158292U - induction heating cooker - Google Patents
induction heating cookerInfo
- Publication number
- JPS59158292U JPS59158292U JP18936583U JP18936583U JPS59158292U JP S59158292 U JPS59158292 U JP S59158292U JP 18936583 U JP18936583 U JP 18936583U JP 18936583 U JP18936583 U JP 18936583U JP S59158292 U JPS59158292 U JP S59158292U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- inverter circuit
- transistor
- inverter
- detecting
- 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
Links
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の誘導加熱調理器の回路図、第２図、第３
図は本考案の一実施例における誘導加熱調理器の回路図
、第４図は同回路図、第５図ａ。
ｂ、 ｃは同軸作波形図、第６図は同特性図である。
２・・・・・・インバータ回路、３・・・・・・加熱コ
イル、４ − ′−・・・・・・入力電流検知手段、
５・・・・・・出力電流検知手段、６・・・・・・オア
回路、−８・・・・・・比較回路、９・・・・・・制御
手段、１３・・・・；・インバータ共振回路、１４・・
・・・・インバータ制御回路、１５”・・・・・・電圧
検知手段、１６・・・・・・オア回路、１９・・・・・
・電源コンデンサ、２０・・・・・・ダン六′・ダイオ
ード、２１・・・・・・スイッチングトランジスタ、２
２・・−・・・・転流コンデンサ、２３・・・・・・転
流コイル、２４・・・・・・電圧検知手段、２５．２６
・・・・・・オア回路構成ダイオード。Figure 1 is a circuit diagram of a conventional induction heating cooker, Figures 2 and 3 are
The figures are a circuit diagram of an induction heating cooker according to an embodiment of the present invention, FIG. 4 is the same circuit diagram, and FIG. 5a. b and c are coaxial waveform diagrams, and Fig. 6 is a characteristic diagram of the same. 2...Inverter circuit, 3...Heating coil, 4-'-...Input current detection means,
5... Output current detection means, 6... OR circuit, -8... Comparison circuit, 9... Control means, 13...; Inverter resonant circuit, 14...
...Inverter control circuit, 15"...Voltage detection means, 16...OR circuit, 19...
・Power supply capacitor, 20...Dan6' diode, 21...Switching transistor, 2
2... Commutation capacitor, 23... Commutation coil, 24... Voltage detection means, 25.26
...OR circuit configuration diode.
Claims (1)
ジスタの直列回路と、この直列回路の相互接続点と前記
全波整流器の一方の出力端子間に接続された転流コンデ
ンサとによりインバータ回路を構成し、かつ、前記イン
バータ回路への入力電流に対応した電圧を検出する手段
と、前記インバータ回路を構成する共塀素子あるいはス
イッチング素子との印加電圧を検出する手段とを備え、
前記それぞれの検出する手段の出力は所定の基準電圧を
共通とする第１、第２の比較器を介してオア回路へ接続
し、このオア回路の出力は前記トランジスタのオン時間
を連続的に制御するインバータ＊ｌＪ御手段に入力して
なり、所定負荷条件において前記オア回路の双方の入力
電圧を同一値に設定し、前記インバータ回路の最大出力
抑制制御を前記トランジスタのオン時間を可変すること
により行うように構成した誘導加熱調理器。An inverter circuit is configured by a series circuit of a heating coil and a transistor connected to an output terminal of a full-wave rectifier, and a commutation capacitor connected between an interconnection point of this series circuit and one output terminal of the full-wave rectifier. and comprising means for detecting a voltage corresponding to the input current to the inverter circuit, and means for detecting a voltage applied to a common fence element or a switching element constituting the inverter circuit,
The outputs of the respective detecting means are connected to an OR circuit via first and second comparators that share a predetermined reference voltage, and the output of the OR circuit continuously controls the on-time of the transistor. By inputting the input voltage into the inverter *lJ control means to set the input voltages of both the OR circuits to the same value under a predetermined load condition, and controlling the maximum output of the inverter circuit by varying the ON time of the transistor. An induction heating cooker configured to do so.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18936583U JPS59158292U (en) | 1983-12-08 | 1983-12-08 | induction heating cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18936583U JPS59158292U (en) | 1983-12-08 | 1983-12-08 | induction heating cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59158292U true JPS59158292U (en) | 1984-10-24 |
| JPS6127113Y2 JPS6127113Y2 (en) | 1986-08-13 |
Family
ID=30408290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18936583U Granted JPS59158292U (en) | 1983-12-08 | 1983-12-08 | induction heating cooker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59158292U (en) |
-
1983
- 1983-12-08 JP JP18936583U patent/JPS59158292U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6127113Y2 (en) | 1986-08-13 |
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