JPS649397U - - Google Patents
Info
- Publication number
- JPS649397U JPS649397U JP10421587U JP10421587U JPS649397U JP S649397 U JPS649397 U JP S649397U JP 10421587 U JP10421587 U JP 10421587U JP 10421587 U JP10421587 U JP 10421587U JP S649397 U JPS649397 U JP S649397U
- Authority
- JP
- Japan
- Prior art keywords
- magnetron
- filament
- circuit
- heating
- 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
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims 3
- 239000004065 semiconductor Substances 0.000 claims 2
- 239000003990 capacitor Substances 0.000 claims 1
- 238000009499 grossing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of High-Frequency Heating Circuits (AREA)
Description
第１図は本考案の高周波加熱装置の基本電気回
路図、第２図は従来の基本電気回路図である。
符号、１３：高圧チヨーク、１４：フイラメン
ト加熱制御コイル、１５：フイラメント加熱制御
トランス。
FIG. 1 is a basic electric circuit diagram of the high frequency heating device of the present invention, and FIG. 2 is a conventional basic electric circuit diagram. Symbol: 13: High voltage choke; 14: Filament heating control coil; 15: Filament heating control transformer.
Claims (1)
滑回路と、マグネトロン駆動用昇圧トランス、共
振コンデンサ、ダイオード及び半導体スイツチン
グ素子等により構成されたインバータ回路と、前
記半導体スイツチング素子を駆動させる駆動回路
と、該駆動回路を制御する制御回路と、マグネト
ロン駆動回路及びマグネトロンを備えてなる高周
波加熱装置において、 マグネトロン駆動回路に設けた高圧チヨークを
１次巻線とし、マグネトロンのフイラメントを加
熱するフイラメント加熱回路に設けたフイラメン
ト加熱制御コイルを２次巻線とするフイラメント
加熱制御トランスを設け、 高圧チヨークの出力電圧に応じてフイラメント
加熱電圧を低減させるようにしたことを特徴とす
る高周波加熱装置。[Claims for Utility Model Registration] A rectifying and smoothing circuit that rectifies and smoothes a commercial power source to convert it into a rectified power source, an inverter circuit composed of a step-up transformer for driving a magnetron, a resonant capacitor, a diode, a semiconductor switching element, etc., and the semiconductor switching device. In a high-frequency heating device comprising a drive circuit for driving an element, a control circuit for controlling the drive circuit, a magnetron drive circuit, and a magnetron, a high-voltage choke provided in the magnetron drive circuit is used as a primary winding, and a filament of the magnetron is used as a primary winding. A filament heating control transformer whose secondary winding is a filament heating control coil provided in a filament heating circuit for heating the filament is provided, and the filament heating voltage is reduced in accordance with the output voltage of the high-voltage yoke. heating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10421587U JPH0455438Y2 (en) | 1987-07-06 | 1987-07-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10421587U JPH0455438Y2 (en) | 1987-07-06 | 1987-07-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS649397U true JPS649397U (en) | 1989-01-19 |
| JPH0455438Y2 JPH0455438Y2 (en) | 1992-12-25 |
Family
ID=31335736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10421587U Expired JPH0455438Y2 (en) | 1987-07-06 | 1987-07-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0455438Y2 (en) |
-
1987
- 1987-07-06 JP JP10421587U patent/JPH0455438Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0455438Y2 (en) | 1992-12-25 |
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