JPH0271992U - - Google Patents
Info
- Publication number
- JPH0271992U JPH0271992U JP15089688U JP15089688U JPH0271992U JP H0271992 U JPH0271992 U JP H0271992U JP 15089688 U JP15089688 U JP 15089688U JP 15089688 U JP15089688 U JP 15089688U JP H0271992 U JPH0271992 U JP H0271992U
- Authority
- JP
- Japan
- Prior art keywords
- transformer
- inverter
- control circuit
- air gap
- power source
- 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 2
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Control Of High-Frequency Heating Circuits (AREA)
Description
第１図及び第２図は本考案における高周波加熱
装置の１実施例を示し、第１図は回路図、第２図
はインダクタンス素子の構成図、第３図以下は従
来の高周波加熱装置を示し、第３図は回路図、第
４図ａ及びｂはインダクタンス素子を設けた場合
及び設けない場合のそれぞれの波形図である。
５……トランジスタ、８……インバータ、９…
…昇圧トランス、１４……マグネトロン、１５…
…インダクタンス素子、１６……フエライトコア
、１８……エアギヤツプ、１９……ホール素子、
２２……制御回路。
Figures 1 and 2 show one embodiment of the high frequency heating device of the present invention, Figure 1 is a circuit diagram, Figure 2 is a configuration diagram of an inductance element, and Figures 3 and below show a conventional high frequency heating device. , FIG. 3 is a circuit diagram, and FIGS. 4a and 4b are waveform diagrams with and without an inductance element, respectively. 5...Transistor, 8...Inverter, 9...
...Step-up transformer, 14... Magnetron, 15...
...Inductance element, 16... Ferrite core, 18... Air gap, 19... Hall element,
22...Control circuit.
Claims (1)
チング素子により断続するインバータと、該イン
バータの出力を昇圧する昇圧トランスと、該昇圧
トランスの出力により駆動されるマグネトロンと
、前記昇圧トランスの２次巻線に直引に設けられ
た前記インバータの動作安定用のインダクタンス
素子と、前記昇圧トランスの２次電流の検出値に
基づいて前記スイツチング素子のオンオフを制御
する制御回路とを備えてなる高周波加熱装置にお
いて、 前記インダクタンス素子のコアにエアギヤツプ
を設け、該エアギヤツプ内に磁気検出素子を設置
し、該磁気検出素子による検出値を前記制御回路
に入力するようにした高周波加熱装置。[Claims for Utility Model Registration] An inverter that uses a switching element to turn on and off a unidirectional power source obtained from a commercial power source, a step-up transformer that steps up the output of the inverter, and a magnetron that is driven by the output of the step-up transformer. an inductance element for stabilizing the operation of the inverter, which is provided in direct connection with the secondary winding of the step-up transformer; and a control circuit that controls on/off of the switching element based on a detected value of the secondary current of the step-up transformer. An air gap is provided in the core of the inductance element, a magnetic detection element is installed in the air gap, and a value detected by the magnetic detection element is input to the control circuit. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15089688U JPH0271992U (en) | 1988-11-19 | 1988-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15089688U JPH0271992U (en) | 1988-11-19 | 1988-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0271992U true JPH0271992U (en) | 1990-05-31 |
Family
ID=31424449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15089688U Pending JPH0271992U (en) | 1988-11-19 | 1988-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0271992U (en) |
-
1988
- 1988-11-19 JP JP15089688U patent/JPH0271992U/ja active Pending
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