JPS6214986U - - Google Patents
Info
- Publication number
- JPS6214986U JPS6214986U JP10399285U JP10399285U JPS6214986U JP S6214986 U JPS6214986 U JP S6214986U JP 10399285 U JP10399285 U JP 10399285U JP 10399285 U JP10399285 U JP 10399285U JP S6214986 U JPS6214986 U JP S6214986U
- Authority
- JP
- Japan
- Prior art keywords
- main circuit
- circuit
- inverter
- pair
- 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
- 239000003990 capacitor Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims 2
- 230000006698 induction Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- General Induction Heating (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は第１図の各部波形図である。
１…インバータ主回路、４…タンク回路、５…
始動用開路、６…直流電源、７１，７２…コンデ
ンサ、８…周波数設定器、１０…位相比較回路、
１１…電圧制御発振器、１４，１５…ゲート回路
、１６，２１…コンデンサ、１８…電流設定器、
１９…モード切換回路、２０…電圧設定器、Ｔｒ
１，Ｔｒ２…パワートランジスタ。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is a waveform diagram of each part of FIG. 1. 1... Inverter main circuit, 4... Tank circuit, 5...
Open circuit for starting, 6... DC power supply, 7 1 , 7 2 ... Capacitor, 8... Frequency setting device, 10... Phase comparator circuit,
11... Voltage controlled oscillator, 14, 15... Gate circuit, 16, 21... Capacitor, 18... Current setting device,
19...Mode switching circuit, 20...Voltage setting device, Tr
1 , Tr 2 ...Power transistor.
Claims (1)
において、インバータ主回路の直流電源と別にし
た直流電源と、この直流電源の出力端に直列接続
された一対のコンデンサと、一対の自己消弧形素
子の直列接続体を前記一対のコンデンサと並列接
続し、該コンデンサの中点と前記直列接続体の出
力端とを前記インバータ主回路の出力端に接続し
た始動用主回路と、この始動用主回路を予め定め
た周波数で始動開始させ、前記タンク回路の共振
周波数に合わせる位相同期で該始動用主回路を運
転し、該タンク回路の誘起電圧が所定レベルに達
したときに前記インバータ主回路の運転に切換え
る制御回路とを備えたことを特徴とする誘導加熱
用インバータ。 In an induction heating inverter with a tank circuit in the load, a DC power source separate from the DC power source of the inverter main circuit, a pair of capacitors connected in series to the output terminal of this DC power source, and a pair of self-extinguishing elements connected in series. A starting main circuit in which a connecting body is connected in parallel with the pair of capacitors, and the midpoint of the capacitor and the output end of the series connected body are connected to the output end of the inverter main circuit; Starting the engine at a predetermined frequency, operating the starting main circuit in phase synchronization with the resonant frequency of the tank circuit, and switching to operation of the inverter main circuit when the induced voltage in the tank circuit reaches a predetermined level. An inverter for induction heating characterized by comprising a control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10399285U JPS6214986U (en) | 1985-07-08 | 1985-07-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10399285U JPS6214986U (en) | 1985-07-08 | 1985-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6214986U true JPS6214986U (en) | 1987-01-29 |
Family
ID=30977067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10399285U Pending JPS6214986U (en) | 1985-07-08 | 1985-07-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6214986U (en) |
-
1985
- 1985-07-08 JP JP10399285U patent/JPS6214986U/ja active Pending