JPH0485694U - - Google Patents
Info
- Publication number
- JPH0485694U JPH0485694U JP12969290U JP12969290U JPH0485694U JP H0485694 U JPH0485694 U JP H0485694U JP 12969290 U JP12969290 U JP 12969290U JP 12969290 U JP12969290 U JP 12969290U JP H0485694 U JPH0485694 U JP H0485694U
- Authority
- JP
- Japan
- Prior art keywords
- magnetron
- output
- anode current
- switching element
- power supply
- 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 5
- 238000012935 Averaging Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of High-Frequency Heating Circuits (AREA)
Description
第１図は本考案一実施例の回路図である。
１……マグネトロン、２……インバータ電源、
４……スイツチングウ素子、５……陽極電流検出
回路、６……ピーク検出回路、７……マイクロコ
ンピユータ、８……平均化回路、９……オン時間
制御回路、１０……ドライブ回路。
FIG. 1 is a circuit diagram of an embodiment of the present invention. 1... Magnetron, 2... Inverter power supply,
4...Switching element, 5...Anode current detection circuit, 6...Peak detection circuit, 7...Microcomputer, 8...Averaging circuit, 9...On-time control circuit, 10...Drive circuit.
Claims (1)
るために高圧トランス３やスイツチング素子４な
どによつて構成されたインバータ電源２と、前記
マグネトロンの陽極電流のピーク値がある規定値
を超えた時にそれを検出して信号を出力する陽極
電流検出手段５，６と、前記マグネトロンの動作
出力に関する設定データを出力するものであつて
前記陽極電流検出手段から信号の出力がない場合
に前記マグネトロン出力設定データを出力し続け
る一方前記陽極電流検出手段から信号が出力され
た場合に前記マグネトロン出力設定データをより
低い出力データに変更して出力するマイクロコン
ピユータ７と、このマイクロコンピユータの出力
するマグネトロン出力設定データに基づき前記イ
ンバータ電源のスイツチング素子のオン時間を決
定してその情報を出力するオン時間制御回路９と
、このオン時間制御回路の情報に基づいて前記ス
イツチング素子を駆動するドライブ回路１０とで
構成されたマグネトロン駆動制御回路。 A magnetron 1, an inverter power supply 2 composed of a high voltage transformer 3, a switching element 4, etc. to drive the magnetron, and an inverter power supply 2 that detects when the peak value of the anode current of the magnetron exceeds a certain specified value. anode current detection means 5 and 6 for outputting a signal, and outputting setting data regarding the operation output of the magnetron, and outputting the magnetron output setting data when no signal is output from the anode current detection means. a microcomputer 7 that changes the magnetron output setting data to lower output data and outputs the lower output data when a signal is output from the anode current detection means; A magnetron drive control comprising an on-time control circuit 9 that determines the on-time of a switching element of a power supply and outputs the information, and a drive circuit 10 that drives the switching element based on the information of this on-time control circuit. circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12969290U JPH0485694U (en) | 1990-11-30 | 1990-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12969290U JPH0485694U (en) | 1990-11-30 | 1990-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0485694U true JPH0485694U (en) | 1992-07-24 |
Family
ID=31877084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12969290U Pending JPH0485694U (en) | 1990-11-30 | 1990-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0485694U (en) |
-
1990
- 1990-11-30 JP JP12969290U patent/JPH0485694U/ja active Pending
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