JPS6026198U - Electromagnetic cooker - Google Patents
Electromagnetic cookerInfo
- Publication number
- JPS6026198U JPS6026198U JP11956683U JP11956683U JPS6026198U JP S6026198 U JPS6026198 U JP S6026198U JP 11956683 U JP11956683 U JP 11956683U JP 11956683 U JP11956683 U JP 11956683U JP S6026198 U JPS6026198 U JP S6026198U
- Authority
- JP
- Japan
- Prior art keywords
- period
- switching
- switching transistor
- heating coil
- starting pulse
- 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.)
- Pending
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図はこの考案の実施例である電磁調理器の回路図、
第2図および第3図は同電磁調理器におけるスイッチン
グ制御動作を示すタイムチャートである。
2・・・加熱コイル、3・・・コンデンサ、4・・・ス
イッチングトランジスタ、7・・・カレントトランス、
8・・・停止信号発生回路、9・・・起動信号発生回路
、10・・・周期切換信号発生回路、15・・・起動パ
ルス周期切換回路。Figure 1 is a circuit diagram of an electromagnetic cooker that is an embodiment of this invention.
FIGS. 2 and 3 are time charts showing switching control operations in the same electromagnetic cooker. 2... Heating coil, 3... Capacitor, 4... Switching transistor, 7... Current transformer,
8...Stop signal generation circuit, 9...Start signal generation circuit, 10...Period switching signal generation circuit, 15...Start pulse cycle switching circuit.
Claims (1)
チングトランジスタとを直列接続し、起動パルスを周期
的に発生して前記スイッチトランジスタをオンし、且つ
前記加熱コイルに流れる電流値が0となったとき前記ス
イッチングトランジス−夕をオフすることにより前記ス
イッチングトランジスタをオン、オフ駆動する電磁調理
器において、前記加熱コイルに流れる電流値を検出し、
その値が負荷のあるときの電流値に対応するとき前記ス
イッチングトランジスタのオン、オフ周期の切換えを指
示する周期切換信号を発生する周期切換信号発生回路と
、起動パルスの発生開始後、一定時間内に前記周期切換
信号が発生しないとき、起動パルスの周期を短縮する起
動パルス周期切換回路とを備えた電磁調理器。A resonant circuit consisting of a heating coil and a capacitor is connected in series with a switching transistor, and a starting pulse is periodically generated to turn on the switching transistor, and when the value of the current flowing through the heating coil becomes 0, In an electromagnetic cooker that turns on and off the switching transistor by turning off the switching transistor, detecting a current value flowing through the heating coil,
a period switching signal generation circuit that generates a period switching signal that instructs switching of the on/off period of the switching transistor when the value corresponds to the current value when there is a load; An electromagnetic cooking device comprising: a starting pulse period switching circuit that shortens the period of a starting pulse when the period switching signal is not generated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11956683U JPS6026198U (en) | 1983-07-28 | 1983-07-28 | Electromagnetic cooker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11956683U JPS6026198U (en) | 1983-07-28 | 1983-07-28 | Electromagnetic cooker |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6026198U true JPS6026198U (en) | 1985-02-22 |
Family
ID=30274361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11956683U Pending JPS6026198U (en) | 1983-07-28 | 1983-07-28 | Electromagnetic cooker |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6026198U (en) |
-
1983
- 1983-07-28 JP JP11956683U patent/JPS6026198U/en active Pending
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