JPH0368394U - - Google Patents
Info
- Publication number
- JPH0368394U JPH0368394U JP13077389U JP13077389U JPH0368394U JP H0368394 U JPH0368394 U JP H0368394U JP 13077389 U JP13077389 U JP 13077389U JP 13077389 U JP13077389 U JP 13077389U JP H0368394 U JPH0368394 U JP H0368394U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- signal
- inverter
- outputs
- control 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of High-Frequency Heating Circuits (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
従来の同回路図である。
１…マグネトロン、２…インバータ電源回路、
８…インバータ制御回路、１０…リセツト回路、
１２…タイマー回路、１２ａ…カウンタ、１２ｂ
…ＡＮＤ回路、１２ｃ…ＯＲ回路。
FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIG. 2 is a conventional circuit diagram. 1... Magnetron, 2... Inverter power supply circuit,
8... Inverter control circuit, 10... Reset circuit,
12...Timer circuit, 12a...Counter, 12b
...AND circuit, 12c...OR circuit.
Claims (1)
るインバータ電源２と、このインバータ電源のス
タート時にスイツチング周波数を基準値まで下げ
るソフトスタート回路を含むインバータ制御回路
８と、前記インバータ電源をスタートさせるため
のスタート信号を出力するマイクロコンピユータ
９と、電源電圧を整流した後の電圧を監視して瞬
断と判断されたときにその旨の信号を出力するリ
セツト回路１０と、電源に瞬断が起きた時に前記
リセツト回路からの信号に基づいて前記インバー
タ制御回路にリセツト信号を出力するほか電源の
瞬断が回復した時に前記リセツト回路からの信号
に基づいて一定時間後にリセツト信号を解除する
ための信号を前記インバータ制御回路へ出力する
タイマー回路１２とで構成したことを特徴とする
マグネトロン駆動制御回路。 A magnetron 1, an inverter power supply 2 that drives the magnetron, an inverter control circuit 8 including a soft start circuit that lowers the switching frequency to a reference value when starting the inverter power supply, and outputs a start signal for starting the inverter power supply. a microcomputer 9 that monitors the voltage after rectifying the power supply voltage and outputs a signal to that effect when it is determined that there is a momentary power outage; In addition to outputting a reset signal to the inverter control circuit based on the signal of 1. A magnetron drive control circuit comprising a timer circuit 12 that outputs an output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989130773U JP2545932Y2 (en) | 1989-11-09 | 1989-11-09 | Magnetron drive control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989130773U JP2545932Y2 (en) | 1989-11-09 | 1989-11-09 | Magnetron drive control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0368394U true JPH0368394U (en) | 1991-07-04 |
| JP2545932Y2 JP2545932Y2 (en) | 1997-08-27 |
Family
ID=31678323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989130773U Expired - Fee Related JP2545932Y2 (en) | 1989-11-09 | 1989-11-09 | Magnetron drive control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2545932Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5830091A (en) * | 1981-08-18 | 1983-02-22 | 三洋電機株式会社 | Cooking device |
| JPS6160534U (en) * | 1984-08-13 | 1986-04-23 | ||
| JPS61284087A (en) * | 1985-06-07 | 1986-12-15 | 松下電器産業株式会社 | High frequency heater |
-
1989
- 1989-11-09 JP JP1989130773U patent/JP2545932Y2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5830091A (en) * | 1981-08-18 | 1983-02-22 | 三洋電機株式会社 | Cooking device |
| JPS6160534U (en) * | 1984-08-13 | 1986-04-23 | ||
| JPS61284087A (en) * | 1985-06-07 | 1986-12-15 | 松下電器産業株式会社 | High frequency heater |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2545932Y2 (en) | 1997-08-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |