JPS61136489U - - Google Patents
Info
- Publication number
- JPS61136489U JPS61136489U JP2114385U JP2114385U JPS61136489U JP S61136489 U JPS61136489 U JP S61136489U JP 2114385 U JP2114385 U JP 2114385U JP 2114385 U JP2114385 U JP 2114385U JP S61136489 U JPS61136489 U JP S61136489U
- Authority
- JP
- Japan
- Prior art keywords
- switching element
- current transformer
- power supply
- supply voltage
- increases
- 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
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims 4
- 238000001514 detection method Methods 0.000 claims 2
- 230000005674 electromagnetic induction Effects 0.000 claims 1
- 230000004907 flux Effects 0.000 claims 1
- 230000006698 induction Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例を示す回路構成図、
第２図はその動作を説明するためのタイムチヤー
トである。
４は加熱コイル、５は共振コンデンサ、６はス
イツチング素子、９はスイツチング素子制御回路
、１０は変流器、１２はＡＧＣアンプである。
FIG. 1 is a circuit diagram showing an embodiment of the present invention;
FIG. 2 is a time chart for explaining the operation. 4 is a heating coil, 5 is a resonant capacitor, 6 is a switching element, 9 is a switching element control circuit, 10 is a current transformer, and 12 is an AGC amplifier.
Claims (1)
と、この加熱コイルを含む共振回路に接続され共
振回路を共振させるスイツチング素子と、前記加
熱コイルの通電電流を検出する変流器と、この変
流器の検出値の増大および減少に応じて前記スイ
ツチング素子をそのオン時間が減少および増大す
るように制御するスイツチング素子制御回路と、
電源電圧を検出する電源電圧検出回路と、前記変
流器とスイツチング素子制御回路の間に介装され
前記電源電圧検出回路の検出値の増減に応じて前
記変流器の検出値を増減させるＡＧＣアンプとを
備えたことを特徴とする電磁誘導加熱装置。 A heating coil that generates magnetic flux for induction heating, a switching element that is connected to a resonant circuit that includes this heating coil and causes the resonant circuit to resonate, a current transformer that detects the current flowing through the heating coil, and this current transformer. a switching element control circuit that controls the switching element so that its on time decreases and increases in accordance with increases and decreases in the detected value;
A power supply voltage detection circuit that detects a power supply voltage, and an AGC that is interposed between the current transformer and the switching element control circuit and increases or decreases the detected value of the current transformer in accordance with an increase or decrease in the detected value of the power supply voltage detection circuit. An electromagnetic induction heating device characterized by comprising an amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2114385U JPS61136489U (en) | 1985-02-15 | 1985-02-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2114385U JPS61136489U (en) | 1985-02-15 | 1985-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61136489U true JPS61136489U (en) | 1986-08-25 |
Family
ID=30512276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2114385U Pending JPS61136489U (en) | 1985-02-15 | 1985-02-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61136489U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55130093A (en) * | 1980-02-18 | 1980-10-08 | Matsushita Electric Ind Co Ltd | Induction heating cooking oven |
-
1985
- 1985-02-15 JP JP2114385U patent/JPS61136489U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55130093A (en) * | 1980-02-18 | 1980-10-08 | Matsushita Electric Ind Co Ltd | Induction heating cooking oven |
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