JPS6044391U - Electromagnetic cooker - Google Patents
Electromagnetic cookerInfo
- Publication number
- JPS6044391U JPS6044391U JP13772883U JP13772883U JPS6044391U JP S6044391 U JPS6044391 U JP S6044391U JP 13772883 U JP13772883 U JP 13772883U JP 13772883 U JP13772883 U JP 13772883U JP S6044391 U JPS6044391 U JP S6044391U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- determination
- output
- output switch
- heating coil
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例を示す回路構成図である。第
２図はこの実施例における負荷検知回路゛の具体的な構
成を示す回路構成図である。第３図は上記負荷検知回路
の動作を示す波形図である。
第４図は同じく上記負荷検知回路の積分回路にて得られ
る直流レベル信号の実測結果を示す特性線図である。
１・・・・・・整流回路、２・・・・・・加熱コイル、
３・・・・・・出力スイッチ、４・・・・・・発振回路
、１２・・・・・・ダンパーダイオード、１６・・・・
・・負荷検知回路、２４・・・・・・演算増幅器、３０
・・・・・・積分回路、３１、・・・・・・判定回路。FIG. 1 is a circuit diagram showing an embodiment of the present invention. FIG. 2 is a circuit configuration diagram showing a specific configuration of the load detection circuit in this embodiment. FIG. 3 is a waveform diagram showing the operation of the load detection circuit. FIG. 4 is a characteristic diagram showing actual measurement results of the DC level signal obtained by the integrating circuit of the load detection circuit. 1... Rectifier circuit, 2... Heating coil,
3... Output switch, 4... Oscillation circuit, 12... Damper diode, 16...
...Load detection circuit, 24...Operation amplifier, 30
...Integrator circuit, 31, ...Judgment circuit.
Claims (1)
出力にてスイッチング動作させることにより、上記加熱
コイルに高周波電流を流して調理、 用益の誘導
加熱を行なう電磁調理器において、上記出力スイッチに
並列接続したダンパーダイオードと、このダンパーダイ
オードが上記出力スイッチのスイッチング動作により導
通されるダンパー区間を検出する反転増幅型レベルコン
パレータと、このレベルコンパレータにて得られるダン
パー区間検出パルスを積分する積分回路と、この積分回
路にて得られる積分出力の信号レベルが判定基準レベル
に到しているか否かを判定する判定回路とを設け、上記
加熱コイル上に載置される調理用容器による負荷状態を
上記発振回路を所定の周波数で発振させたときに得られ
るダンパー区間検出パルスに基いて上記判定回路にて判
定し、その判定出力によって上記発振回路の動作制御を
行なうようにしたことを特徴とする電磁調理器。In an electromagnetic cooker that performs induction heating for cooking and utility by causing a high frequency current to flow through the heating coil by switching the output switch to which the heating coil is connected using the oscillation output of an oscillation circuit, the output switch is connected in parallel to the output switch. an inverting amplification type level comparator for detecting a damper section in which the damper diode is rendered conductive by the switching operation of the output switch; an integrating circuit for integrating a damper section detection pulse obtained by the level comparator; A determination circuit is provided to determine whether the signal level of the integral output obtained by the integration circuit has reached the determination reference level, and the oscillation circuit determines the load state due to the cooking container placed on the heating coil. The electromagnetic cooking device is characterized in that the determination circuit makes a determination based on a damper section detection pulse obtained when the oscillator is oscillated at a predetermined frequency, and the operation of the oscillation circuit is controlled based on the determination output. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13772883U JPS6044391U (en) | 1983-09-05 | 1983-09-05 | Electromagnetic cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13772883U JPS6044391U (en) | 1983-09-05 | 1983-09-05 | Electromagnetic cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6044391U true JPS6044391U (en) | 1985-03-28 |
| JPS634400Y2 JPS634400Y2 (en) | 1988-02-03 |
Family
ID=30309259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13772883U Granted JPS6044391U (en) | 1983-09-05 | 1983-09-05 | Electromagnetic cooker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6044391U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5628196U (en) * | 1979-08-10 | 1981-03-16 |
-
1983
- 1983-09-05 JP JP13772883U patent/JPS6044391U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5628196U (en) * | 1979-08-10 | 1981-03-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS634400Y2 (en) | 1988-02-03 |
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