JPS63496U - - Google Patents
Info
- Publication number
- JPS63496U JPS63496U JP9361486U JP9361486U JPS63496U JP S63496 U JPS63496 U JP S63496U JP 9361486 U JP9361486 U JP 9361486U JP 9361486 U JP9361486 U JP 9361486U JP S63496 U JPS63496 U JP S63496U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- power
- inverter
- voltage
- heating coil
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- General Induction Heating (AREA)
Description
第1図は本考案に係る高周波加熱装置の概略構
成説明図、第2図は本考案の他の実施例を示す構
成説明図、第3図は従来の高周波加熱装置の説明
図、第4図は被加熱体の温度と共振周波数との関
係を示す図である。
12…整流器、18,118…インバータ、2
4,124…力率改善用コンデンサ、26…加熱
コイル、28…被加熱体、30,130…周波数
制御回路、32,132…インバータコントロー
ラ、34…電圧検出回路、36…周波数設定回路
、38…スイツチ、40…レバー、42…電流検
出器。
Fig. 1 is a schematic structural explanatory diagram of a high-frequency heating device according to the present invention, Fig. 2 is a structural explanatory diagram showing another embodiment of the present invention, Fig. 3 is an explanatory diagram of a conventional high-frequency heating device, and Fig. 4 FIG. 2 is a diagram showing the relationship between the temperature of a heated object and the resonant frequency. 12... Rectifier, 18, 118... Inverter, 2
4,124...Power factor improvement capacitor, 26...Heating coil, 28...Heated object, 30,130...Frequency control circuit, 32,132...Inverter controller, 34...Voltage detection circuit, 36...Frequency setting circuit, 38... Switch, 40... lever, 42... current detector.
Claims (1)
、該整流器からの直流電力を高周波電力に変換す
るインバータと、該インバータから高周波電力の
供給を受け被加熱体を加熱する加熱コイルとを含
む高周波加熱装置において、前記加熱コイルに印
加される電圧値を検出してその電圧周波数を所望
の値に設定可能な周波数制御回路と、該周波数制
御回路からの信号に基づき前記インバータの出力
周波数を加熱コイルの共振周波数となるように調
整するインバータコントローラとを備えたことを
特徴とする高周波加熱装置。 High-frequency heating that includes a rectifier that converts power from an AC power source into DC power, an inverter that converts the DC power from the rectifier into high-frequency power, and a heating coil that receives high-frequency power from the inverter and heats a heated object. The apparatus includes a frequency control circuit capable of detecting a voltage value applied to the heating coil and setting the voltage frequency to a desired value; and a frequency control circuit capable of detecting a voltage value applied to the heating coil and setting the voltage frequency to a desired value; A high-frequency heating device characterized by comprising an inverter controller that adjusts the frequency to a resonant frequency.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986093614U JPH0622948Y2 (en) | 1986-06-18 | 1986-06-18 | High frequency heating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986093614U JPH0622948Y2 (en) | 1986-06-18 | 1986-06-18 | High frequency heating device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63496U true JPS63496U (en) | 1988-01-05 |
JPH0622948Y2 JPH0622948Y2 (en) | 1994-06-15 |
Family
ID=30956340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986093614U Expired - Lifetime JPH0622948Y2 (en) | 1986-06-18 | 1986-06-18 | High frequency heating device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0622948Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017027767A (en) * | 2015-07-22 | 2017-02-02 | 中央発條株式会社 | Induction heating apparatus and induction heating method |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4840034A (en) * | 1971-09-27 | 1973-06-12 | ||
JPS52116831A (en) * | 1976-03-27 | 1977-09-30 | Mitsubishi Electric Corp | Transistor invertor |
JPS59128794A (en) * | 1983-01-13 | 1984-07-24 | 日本電子株式会社 | Automatic frequency control circuit |
-
1986
- 1986-06-18 JP JP1986093614U patent/JPH0622948Y2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4840034A (en) * | 1971-09-27 | 1973-06-12 | ||
JPS52116831A (en) * | 1976-03-27 | 1977-09-30 | Mitsubishi Electric Corp | Transistor invertor |
JPS59128794A (en) * | 1983-01-13 | 1984-07-24 | 日本電子株式会社 | Automatic frequency control circuit |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017027767A (en) * | 2015-07-22 | 2017-02-02 | 中央発條株式会社 | Induction heating apparatus and induction heating method |
Also Published As
Publication number | Publication date |
---|---|
JPH0622948Y2 (en) | 1994-06-15 |