JPH01106095U - - Google Patents
Info
- Publication number
- JPH01106095U JPH01106095U JP64988U JP64988U JPH01106095U JP H01106095 U JPH01106095 U JP H01106095U JP 64988 U JP64988 U JP 64988U JP 64988 U JP64988 U JP 64988U JP H01106095 U JPH01106095 U JP H01106095U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- inverter
- magnetron
- rectifying
- microwave oven
- 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 4
- 238000009499 grossing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000003079 width control Methods 0.000 description 1
Landscapes
- Control Of High-Frequency Heating Circuits (AREA)
Description
第１図および第２図は本考案の一実施例を示す
ものであつて、第１図はインバータ電子レンジの
概略回路構成図、第２図は制御回路を示すブロツ
ク図、第３図はパララメータを強出力加熱と中出
力加熱と弱出力加熱として時間と湿度センサーと
の関係を示すグラフである。
１は整流平滑回路、５は商用電源、８はＮＰＮ
型トランジスタ（スイツチング素子）、９はマグ
ネトロン駆動用昇圧トランス、１０はインバータ
回路、１１はマグネトロン、１４はマグネトロン
駆動回路、１５は制御回路、１６はマイクロコン
ピユータ（パルス幅制御手段）、２４は湿度セン
サー（状態検知センサー）である。
1 and 2 show an embodiment of the present invention, in which FIG. 1 is a schematic circuit diagram of an inverter microwave oven, FIG. 2 is a block diagram showing a control circuit, and FIG. 3 is a parameter diagram. This is a graph showing the relationship between time and humidity sensor for strong output heating, medium output heating, and weak output heating. 1 is a rectifier and smoothing circuit, 5 is a commercial power supply, and 8 is an NPN
type transistor (switching element), 9 is a step-up transformer for driving the magnetron, 10 is an inverter circuit, 11 is a magnetron, 14 is a magnetron drive circuit, 15 is a control circuit, 16 is a microcomputer (pulse width control means), 24 is a humidity sensor (condition detection sensor).
Claims (1)
流平滑回路と、この整流平滑回路にて得られた直
流電源を入力しスイツチング素子のＯＮ―ＯＦＦ
動作にて高周波電源を生成するインバータ回路と
、このインバータ回路にて得られた高周波電源に
てマグネトロンを駆動させるマグネトロン駆動回
路と、上記インバータ回路におけるスイツチング
素子のＯＮ―ＯＦＦ動作を制御する制御回路と、
被調理食品の状態を検知する状態検知センサーと
を備えたインバータ電子レンジにおいて、 上記スイツチング素子のＯＮ―ＯＦＦ動作にお
けるＯＮ―ＯＦＦ時間幅を上記の状態検知センサ
ーの検知出力に基づいて制御するパルス幅制御手
段を設けたことを特徴とするインバータ電子レン
ジ。[Claim for Utility Model Registration] A rectifying and smoothing circuit that rectifies and smoothes a commercial power source to generate a DC power source, and a switching device that inputs the DC power obtained from this rectifying and smoothing circuit to turn on and off switching elements.
an inverter circuit that generates high-frequency power by operation; a magnetron drive circuit that drives a magnetron with the high-frequency power obtained by the inverter circuit; and a control circuit that controls ON-OFF operations of switching elements in the inverter circuit. ,
In an inverter microwave oven equipped with a state detection sensor that detects the state of the food to be cooked, a pulse width that controls the ON-OFF time width in the ON-OFF operation of the switching element based on the detection output of the state detection sensor. An inverter microwave oven characterized by being provided with a control means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP64988U JPH01106095U (en) | 1988-01-07 | 1988-01-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP64988U JPH01106095U (en) | 1988-01-07 | 1988-01-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01106095U true JPH01106095U (en) | 1989-07-17 |
Family
ID=31199862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP64988U Pending JPH01106095U (en) | 1988-01-07 | 1988-01-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01106095U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03216990A (en) * | 1990-01-22 | 1991-09-24 | Matsushita Electric Ind Co Ltd | Automatic heating device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5349346A (en) * | 1976-10-15 | 1978-05-04 | Toshiba Corp | High-frequency oven |
| JPS6032287A (en) * | 1983-08-01 | 1985-02-19 | シャープ株式会社 | Microwave heating cooking device |
| JPS62296391A (en) * | 1986-06-17 | 1987-12-23 | 松下電器産業株式会社 | Radio frequency heater |
-
1988
- 1988-01-07 JP JP64988U patent/JPH01106095U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5349346A (en) * | 1976-10-15 | 1978-05-04 | Toshiba Corp | High-frequency oven |
| JPS6032287A (en) * | 1983-08-01 | 1985-02-19 | シャープ株式会社 | Microwave heating cooking device |
| JPS62296391A (en) * | 1986-06-17 | 1987-12-23 | 松下電器産業株式会社 | Radio frequency heater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03216990A (en) * | 1990-01-22 | 1991-09-24 | Matsushita Electric Ind Co Ltd | Automatic heating device |
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