JPS5860892U - Protection circuit when powering on induction heating equipment - Google Patents
Protection circuit when powering on induction heating equipmentInfo
- Publication number
- JPS5860892U JPS5860892U JP15571681U JP15571681U JPS5860892U JP S5860892 U JPS5860892 U JP S5860892U JP 15571681 U JP15571681 U JP 15571681U JP 15571681 U JP15571681 U JP 15571681U JP S5860892 U JPS5860892 U JP S5860892U
- Authority
- JP
- Japan
- Prior art keywords
- induction heating
- powering
- protection circuit
- heating equipment
- transistor
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図は本考案による誘導加熱装置の電源投入時の保護回路
の一例を示す接続図である。
5はワークコイル、7はスイッチング素子、24はドラ
イブ回路、28は禁止用トランジスタである。The figure is a connection diagram showing an example of a protection circuit when the power of the induction heating device according to the present invention is turned on. 5 is a work coil, 7 is a switching element, 24 is a drive circuit, and 28 is an inhibiting transistor.
Claims (1)
スイッチング素子のゲートに対してスイッチング信号を
与えるドライブ回路を構成する出力トランジスタのベー
スを、禁止用トランジスタのコレクターエミッタを通じ
て接地し、電源検知回路よりの出力によって、電源投入
時より所定の期間上記禁止用トランジスタのベースに禁
示信号を与えることにより、上記ドライブ回路よりスイ
ッチング信号が得られないようにしたことを特徴とする
誘導加熱装置の電源投入時の保護回路。The base of the output transistor that constitutes the drive circuit that provides a switching signal to the gate of the switching element that controls the switching of the current supplied to the work coil is grounded through the collector emitter of the inhibition transistor, and the output from the power supply detection circuit Protection of an induction heating device when power is turned on, characterized in that a switching signal is not obtained from the drive circuit by applying a prohibition signal to the base of the prohibition transistor for a predetermined period from power-on. circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15571681U JPS5860892U (en) | 1981-10-20 | 1981-10-20 | Protection circuit when powering on induction heating equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15571681U JPS5860892U (en) | 1981-10-20 | 1981-10-20 | Protection circuit when powering on induction heating equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5860892U true JPS5860892U (en) | 1983-04-23 |
JPS6331517Y2 JPS6331517Y2 (en) | 1988-08-23 |
Family
ID=29948285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15571681U Granted JPS5860892U (en) | 1981-10-20 | 1981-10-20 | Protection circuit when powering on induction heating equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5860892U (en) |
-
1981
- 1981-10-20 JP JP15571681U patent/JPS5860892U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6331517Y2 (en) | 1988-08-23 |
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