JPS641496U - - Google Patents
Info
- Publication number
- JPS641496U JPS641496U JP9628287U JP9628287U JPS641496U JP S641496 U JPS641496 U JP S641496U JP 9628287 U JP9628287 U JP 9628287U JP 9628287 U JP9628287 U JP 9628287U JP S641496 U JPS641496 U JP S641496U
- Authority
- JP
- Japan
- Prior art keywords
- magnetron
- heating device
- frequency heating
- transformer
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims 2
- 239000003990 capacitor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
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電気回路図
、第２図はフライバツク電圧とスイツチング素子
駆動パルスの波形図、第３図は従来の高周波加熱
装置の電気回路図、第４図は第３図の電気回路の
等価回路図であり、第４図ａはフイラメント加熱
時、第４図ｂは通常運転時である。
符号、９：マグネトロン、１０：高圧ダイオー
ド、１６：可飽和リアクトル。
Fig. 1 is an electric circuit diagram of the high frequency heating device of the present invention, Fig. 2 is a waveform diagram of the flyback voltage and switching element drive pulse, Fig. 3 is an electric circuit diagram of the conventional high frequency heating device, and Fig. 4 is the electric circuit diagram of the conventional high frequency heating device. 4A is an equivalent circuit diagram of the electric circuit shown in FIG. 4, FIG. Symbol, 9: magnetron, 10: high voltage diode, 16: saturable reactor.
Claims (1)
トロン駆動用変圧器、該変圧器に直列もしくは並
列接続された共振コンデンサ、前記変圧器に直列
接続されたダイオード及び半導体スイツチング素
子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手段と、マグネトロン駆
動回路とを備えてなる高周波加熱装置において、 マグネトロンと並列に飽和電圧がマグネトロン
の動作電圧より幾分高い可飽和リアクトルを配設
したことを特徴とする高周波加熱装置。[Claims for Utility Model Registration] A rectifier circuit using a rectified commercial power source, a magnetron drive transformer, a resonant capacitor connected in series or parallel to the transformer, a diode and a semiconductor switching element connected in series to the transformer. In a high-frequency heating device comprising an inverter circuit configured by a magnetron, a drive circuit for driving the semiconductor switching element, a control means for controlling the drive circuit, and a magnetron drive circuit, a saturation voltage is applied to the magnetron in parallel with the magnetron. A high-frequency heating device characterized in that it is equipped with a saturable reactor whose operating voltage is somewhat higher than that of the high-frequency heating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9628287U JPS641496U (en) | 1987-06-22 | 1987-06-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9628287U JPS641496U (en) | 1987-06-22 | 1987-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS641496U true JPS641496U (en) | 1989-01-06 |
Family
ID=30961848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9628287U Pending JPS641496U (en) | 1987-06-22 | 1987-06-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS641496U (en) |
-
1987
- 1987-06-22 JP JP9628287U patent/JPS641496U/ja active Pending