JPH0346993U - - Google Patents
Info
- Publication number
- JPH0346993U JPH0346993U JP10808689U JP10808689U JPH0346993U JP H0346993 U JPH0346993 U JP H0346993U JP 10808689 U JP10808689 U JP 10808689U JP 10808689 U JP10808689 U JP 10808689U JP H0346993 U JPH0346993 U JP H0346993U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power supply
- magnetron
- inverter power
- anode current
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はマグネトロン駆動回路の一実施例を示
す回路図、第２図はデコーダの入出力関係の説明
図である。
１……インバータ電源、８……周波数制御回路
、９……マイクロコンピユータ、１０……出力設
定回路、１０ａ……デコーダ、１１……陽極電流
検出回路、１２……比較回路、１２ａ……基準電
圧用抵抗。
FIG. 1 is a circuit diagram showing one embodiment of a magnetron drive circuit, and FIG. 2 is an explanatory diagram of the input/output relationship of a decoder. DESCRIPTION OF SYMBOLS 1... Inverter power supply, 8... Frequency control circuit, 9... Microcomputer, 10... Output setting circuit, 10a... Decoder, 11... Anode current detection circuit, 12... Comparison circuit, 12a... Reference voltage Resistance for use.
Claims (1)
マグネトロンの陽極電流を検出する回路１１と、
前記インバータ電源回路の動作開始時に前記陽極
電流検出回路の検出する電流値が基準値に到達す
るまでの間前記インバータ電源回路に対してそれ
を最大出力に相当する最高のスイツチング周波数
で動作させるための信号を出力するとともに前記
陽極電流検出回路によつて検出される電流値が基
準値に到達した時に前記インバータ回路に対して
それを所定の低出力に相当する周波数で動作させ
るための信号を出力する出力設定回路１０とで構
成され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 circuit 2,
a circuit 11 for detecting the anode current of the magnetron;
for operating the inverter power supply circuit at the highest switching frequency corresponding to the maximum output until the current value detected by the anode current detection circuit reaches a reference value when the inverter power supply circuit starts operating; Outputting a signal and, when the current value detected by the anode current detection circuit reaches a reference value, outputting a signal for causing the inverter circuit to operate at a frequency corresponding to a predetermined low output. 1. A magnetron drive control circuit comprising an output setting circuit 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10808689U JPH0346993U (en) | 1989-09-14 | 1989-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10808689U JPH0346993U (en) | 1989-09-14 | 1989-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0346993U true JPH0346993U (en) | 1991-04-30 |
Family
ID=31656749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10808689U Pending JPH0346993U (en) | 1989-09-14 | 1989-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0346993U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007080859A1 (en) * | 2006-01-12 | 2007-07-19 | Matsushita Electric Industrial Co., Ltd. | High-frequency heating device |
-
1989
- 1989-09-14 JP JP10808689U patent/JPH0346993U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007080859A1 (en) * | 2006-01-12 | 2007-07-19 | Matsushita Electric Industrial Co., Ltd. | High-frequency heating device |