JPS6153893U - - Google Patents
Info
- Publication number
- JPS6153893U JPS6153893U JP13804484U JP13804484U JPS6153893U JP S6153893 U JPS6153893 U JP S6153893U JP 13804484 U JP13804484 U JP 13804484U JP 13804484 U JP13804484 U JP 13804484U JP S6153893 U JPS6153893 U JP S6153893U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- detection circuit
- inverter circuit
- inverter
- 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 9
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 claims 1
- 238000010411 cooking Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案の一実施例による電磁調理器の
電気回路ブロツク図、第２図は同動作の主要波形
図、第３図は従来の電磁調理器の電気回路ブロツ
ク図、第４図は同スイツチング素子の電流波形図
である。
１…交流電源、２…整流回路、５…加熱コイル
、１３…出力設定回路、１４…差動増幅回路、１
６…出力コントロール回路、１８…インバータ回
路、１９…入力検知回路、Ｖ１…入力検知回路の
出力、Ｖ２…インバータ回路電流検知回路の出力
。
Fig. 1 is an electric circuit block diagram of an electromagnetic cooker according to an embodiment of the present invention, Fig. 2 is a main waveform diagram of the same operation, Fig. 3 is an electric circuit block diagram of a conventional electromagnetic cooker, and Fig. 4 is a block diagram of an electric circuit of an electromagnetic cooker according to an embodiment of the present invention. FIG. 3 is a current waveform diagram of the same switching element. 1... AC power supply, 2... Rectifier circuit, 5... Heating coil, 13... Output setting circuit, 14... Differential amplifier circuit, 1
6... Output control circuit, 18... Inverter circuit, 19... Input detection circuit, V1... Output of input detection circuit, V2... Output of inverter circuit current detection circuit.
Claims (1)
インバータ回路１８を介して加熱コイル５に加え
、更に交流電源１に接続した入力検知回路１９の
出力と出力設定回路１３の出力とを差動増幅回路
１４で比較増幅し、その出力で出力コントロール
回路１６を介してインバータ回路１８を制御する
電磁調理器において、インバータ回路１８にイン
バータ回路電流検知回路２０を接続し、その出力
を入力検知回路１９の出力とともに差動増幅回路
１４に入力し、定常状態において入力検知回路１
９のＶ１がインバータ回路電流検知回路２０の出
力Ｖ２に比較してＶ１＞Ｖ２であり、異常時には
Ｖ１＞Ｖ２となるように構成したことを特徴とす
る電磁調理器。 The AC power supply 1 is rectified by the rectifier circuit 2, the output thereof is applied to the heating coil 5 via the inverter circuit 18, and the output of the input detection circuit 19 connected to the AC power supply 1 and the output of the output setting circuit 13 are differentially connected. In an electromagnetic cooker that compares and amplifies in an amplifier circuit 14 and uses its output to control an inverter circuit 18 via an output control circuit 16, an inverter circuit current detection circuit 20 is connected to the inverter circuit 18, and its output is sent to an input detection circuit 19. is input to the differential amplifier circuit 14 along with the output of the input detection circuit 1 in a steady state.
An electromagnetic cooking device characterized in that V1 of V9 of the inverter circuit current detection circuit 20 is configured such that V1>V2 when compared with the output V2 of the inverter circuit current detection circuit 20, and V1>V2 when an abnormality occurs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13804484U JPS6153893U (en) | 1984-09-12 | 1984-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13804484U JPS6153893U (en) | 1984-09-12 | 1984-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6153893U true JPS6153893U (en) | 1986-04-11 |
Family
ID=30696441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13804484U Pending JPS6153893U (en) | 1984-09-12 | 1984-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6153893U (en) |
-
1984
- 1984-09-12 JP JP13804484U patent/JPS6153893U/ja active Pending
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