JPH01155689U - - Google Patents
Info
- Publication number
- JPH01155689U JPH01155689U JP5236988U JP5236988U JPH01155689U JP H01155689 U JPH01155689 U JP H01155689U JP 5236988 U JP5236988 U JP 5236988U JP 5236988 U JP5236988 U JP 5236988U JP H01155689 U JPH01155689 U JP H01155689U
- Authority
- JP
- Japan
- Prior art keywords
- current
- induction heating
- resonant
- circuit
- switching element
- 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
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000003079 width control Methods 0.000 description 1
Description
第１図は本考案誘導加熱調理器の回路ブロツク
図、第２図は制御回路の回路図、第３図は本考案
誘導加熱調理器の各点電圧及び電流波形図、第４
図は従来の誘導加熱調理器の回路ブロツク図であ
る。
１……交流電源、２……全波整流回路、５……
誘導加熱コイル、６……共振コンデンサ、７……
スイツチング素子、８……ダンパーダイオード、
９……負荷、１０……カレントトランス、４００
……制御回路、５００……パルス巾コントロール
回路。
Fig. 1 is a circuit block diagram of the induction heating cooker of the present invention, Fig. 2 is a circuit diagram of the control circuit, Fig. 3 is a voltage and current waveform diagram at each point of the induction heating cooker of the present invention, and Fig. 4 is a circuit diagram of the induction heating cooker of the present invention.
The figure is a circuit block diagram of a conventional induction heating cooker. 1... AC power supply, 2... Full wave rectifier circuit, 5...
Induction heating coil, 6... Resonance capacitor, 7...
Switching element, 8... damper diode,
9...Load, 10...Current transformer, 400
...Control circuit, 500...Pulse width control circuit.
Claims (1)
熱コイルと共振回路を形成する共振コンデンサと
、上記共振回路に共振電流を生成するためのスイ
ツチング素子と、を有したインバータ回路を含む
誘導加熱調理器において、上記インバータ回路内
の電流を検知する電流検知手段と、この電流検知
手段で電源から加熱コイルを介して流れる電流を
検知してインバータ回路出力を制御するとともに
、この電流検知手段でコンデンサの放電による電
流を検知して、スイツチング素子に流れる電流を
抑制する制御回路をと、を設けたことを特徴とし
た誘導加熱調理器。 An induction heating cooker including an inverter circuit having an induction heating coil connected to a power source, a resonant capacitor forming a resonant circuit with the induction heating coil, and a switching element for generating a resonant current in the resonant circuit. The current detecting means detects the current in the inverter circuit, and the current detecting means detects the current flowing from the power source through the heating coil to control the inverter circuit output, and the current detecting means controls the discharge of the capacitor. An induction heating cooker comprising: a control circuit that detects the current caused by the switching element and suppresses the current flowing to the switching element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5236988U JPH01155689U (en) | 1988-04-19 | 1988-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5236988U JPH01155689U (en) | 1988-04-19 | 1988-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01155689U true JPH01155689U (en) | 1989-10-25 |
Family
ID=31278370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5236988U Pending JPH01155689U (en) | 1988-04-19 | 1988-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01155689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0536472A (en) * | 1991-07-29 | 1993-02-12 | Sharp Corp | Electromagnetic induction heating cooker |
-
1988
- 1988-04-19 JP JP5236988U patent/JPH01155689U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0536472A (en) * | 1991-07-29 | 1993-02-12 | Sharp Corp | Electromagnetic induction heating cooker |