JPS60160497U - induction heating cooker - Google Patents
induction heating cookerInfo
- Publication number
- JPS60160497U JPS60160497U JP4865684U JP4865684U JPS60160497U JP S60160497 U JPS60160497 U JP S60160497U JP 4865684 U JP4865684 U JP 4865684U JP 4865684 U JP4865684 U JP 4865684U JP S60160497 U JPS60160497 U JP S60160497U
- Authority
- JP
- Japan
- Prior art keywords
- induction heating
- switching element
- heating cooker
- heating coil
- drive circuit
- 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図乃至第３図は各々本考案の要部であるドライブ回
路の一実施例を示す回路図、第４図は従来の誘導加熱調
理器の要部回路図である。
１・・・交流電源、２・・・全波整流回路、３・・・平
滑コンデンサ、４・・・誘導加熱コイル、５・・・共振
コンデンサ、６・・・スイッチング素子、１１・・・Ｎ
ＰＮ型トランジスタ、１２・・・ＰＮＰ型トランジスタ
、１３・・・プルアップ抵抗、１４・・・制御トランジ
スタ、１６．１７・・・逆流防止用ダイオード、１８・
・・バイパス用ダイオード。FIGS. 1 to 3 are circuit diagrams showing one embodiment of a drive circuit which is a main part of the present invention, and FIG. 4 is a circuit diagram of a main part of a conventional induction heating cooker. DESCRIPTION OF SYMBOLS 1... AC power supply, 2... Full wave rectifier circuit, 3... Smoothing capacitor, 4... Induction heating coil, 5... Resonance capacitor, 6... Switching element, 11... N
PN type transistor, 12...PNP type transistor, 13...Pull-up resistor, 14...Control transistor, 16.17...Reverse current prevention diode, 18.
...Bypass diode.
Claims (1)
ルと、この加熱コイルとともに直列共振回路を形成する
共振コンデンサと、上記共振コンデンサに並列接続され
にスイッチング素子と、こノブ素子に逆並列に接続され
たダンパ ーダイオードと、上記スイッチング素子にＯＮ信号を与
えるドライブ回路と、から成り、このドライブ回路を介
して上記スイッチング素子をＯＮ。 ＯＦＦせしめて上記加熱コイルに共振電流を生成する誘
導加熱調理器において、この誘導加熱調理器発振動作時
にスイッチング素子端子電圧が負電圧に反転することに
より、電流の流れる方向に方、 向性のあるドライブ
回路内の電気部品に逆方向電流が流れるのを阻止する阻
止手役を設けたことを特徴とする誘導加熱調理器。[Claims for Utility Model Registration] A DC power source, a heating coil connected to the output end of the DC power source, a resonant capacitor forming a series resonant circuit together with the heating coil, and a switching element connected in parallel to the resonant capacitor. , a damper diode connected in antiparallel to the knob element, and a drive circuit that gives an ON signal to the switching element, and turns on the switching element via this drive circuit. In an induction heating cooker that generates a resonant current in the heating coil when the heating coil is turned off, the switching element terminal voltage is reversed to a negative voltage during the oscillation operation of the induction heating cooker, so that the direction in which the current flows is directional. An induction heating cooker characterized by being provided with a blocking device that prevents reverse current from flowing through electrical components in a drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4865684U JPS60160497U (en) | 1984-04-03 | 1984-04-03 | induction heating cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4865684U JPS60160497U (en) | 1984-04-03 | 1984-04-03 | induction heating cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60160497U true JPS60160497U (en) | 1985-10-25 |
| JPH0115103Y2 JPH0115103Y2 (en) | 1989-05-08 |
Family
ID=30565120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4865684U Granted JPS60160497U (en) | 1984-04-03 | 1984-04-03 | induction heating cooker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60160497U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5860893U (en) * | 1981-10-20 | 1983-04-23 | ソニー株式会社 | Protection device for induction heating equipment |
-
1984
- 1984-04-03 JP JP4865684U patent/JPS60160497U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5860893U (en) * | 1981-10-20 | 1983-04-23 | ソニー株式会社 | Protection device for induction heating equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0115103Y2 (en) | 1989-05-08 |
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