JPS62140697U - - Google Patents
Info
- Publication number
- JPS62140697U JPS62140697U JP2889986U JP2889986U JPS62140697U JP S62140697 U JPS62140697 U JP S62140697U JP 2889986 U JP2889986 U JP 2889986U JP 2889986 U JP2889986 U JP 2889986U JP S62140697 U JPS62140697 U JP S62140697U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- transformer
- capacitors
- power source
- external power
- 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
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of High-Frequency Heating Circuits (AREA)
Description
第１図はこの考案の実施例斜視図、第２図はお
なじく主要部品の配置を示す一部横断面上面図、
第３図は電子レンジの基本回路に高圧コンデンサ
の容量切換え回路を付加したものを示す実施例電
気回路図、第４図は周波数計数手段とスイツチ手
段との構成を示す実施例電気回路図、第５図は第
４図のＡ点における信号波形図である。
４…高周波加熱手段、８…変圧器、９…マグネ
トロン、１０ａ，１０ｂ…コンデンサ、２０…ダ
イオード、２１…周波数計数手段、２２…スイツ
チ手段。
Fig. 1 is a perspective view of an embodiment of this invention, Fig. 2 is a partial cross-sectional top view showing the arrangement of the main parts,
Fig. 3 is an electrical circuit diagram of an embodiment showing a basic circuit of a microwave oven with a capacitance switching circuit for a high-voltage capacitor added; Fig. 4 is an electrical circuit diagram of an embodiment showing the configuration of frequency counting means and switching means; FIG. 5 is a signal waveform diagram at point A in FIG. 4... High frequency heating means, 8... Transformer, 9... Magnetron, 10a, 10b... Capacitor, 20... Diode, 21... Frequency counting means, 22... Switch means.
Claims (1)
トロンと２つの容量の異なるコンデンサとダイオ
ードとで構成される高周波加熱手段を備え、さら
に、その高周波加熱手段に電力を供給する外部電
源の周波数を計数する周波数計数手段と、周波数
計数手段が出力する計数した周波数に対応する出
力信号により、外部電源の周波数に対応する回路
定数とすべく一方のコンデンサにのみ通電をおこ
なうスイツチ手段とを具備したことを特徴とする
電子レンジ。 It is equipped with a high-frequency heating means consisting of a transformer, a magnetron connected to the secondary side of the transformer, two capacitors of different capacities, and a diode, and the frequency of an external power source that supplies power to the high-frequency heating means. and a switch means for energizing only one of the capacitors in order to set the circuit constant corresponding to the frequency of the external power source by means of an output signal corresponding to the counted frequency output by the frequency counting means. A microwave oven characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2889986U JPS62140697U (en) | 1986-02-27 | 1986-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2889986U JPS62140697U (en) | 1986-02-27 | 1986-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62140697U true JPS62140697U (en) | 1987-09-04 |
Family
ID=30832289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2889986U Pending JPS62140697U (en) | 1986-02-27 | 1986-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62140697U (en) |
-
1986
- 1986-02-27 JP JP2889986U patent/JPS62140697U/ja active Pending
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