JPH02103793U - - Google Patents
Info
- Publication number
- JPH02103793U JPH02103793U JP923289U JP923289U JPH02103793U JP H02103793 U JPH02103793 U JP H02103793U JP 923289 U JP923289 U JP 923289U JP 923289 U JP923289 U JP 923289U JP H02103793 U JPH02103793 U JP H02103793U
- Authority
- JP
- Japan
- Prior art keywords
- switching transistor
- capacitor
- self
- resistor
- 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.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案に係る自励式インバータの第１
実施例を示す回路図、第２図は第２実施例を示す
回路図、第３図は従来の自励式インバータの基本
回路を示す回路図である。
Ｑ１，Ｑ２，Ｑ３……トランジスタ、Ｔ……メ
イントランス、Ｅ……直流電源、Ｒ１，Ｒ２，Ｒ
３，Ｒ４，Ｒ５……抵抗、Ｃ１，Ｃ２……コンデ
ンサ、Ｄ１乃至Ｄ５……ダイオード。
Figure 1 shows the first self-excited inverter according to the present invention.
FIG. 2 is a circuit diagram showing a second embodiment, and FIG. 3 is a circuit diagram showing a basic circuit of a conventional self-excited inverter. Q1, Q2, Q3...Transistor, T...Main transformer, E...DC power supply, R1, R2, R
3, R4, R5...Resistor, C1, C2...Capacitor, D1 to D5...Diode.
Claims (1)
スイツチング用トランジスタを接続し、前記メイ
ントランスの帰還巻線を第１の抵抗及び第１のコ
ンデンサの直列回路を介して前記スイツチング用
トランジスタのベース、エミツタ間に接続した自
励式インバータにおいて、前記スイツチング用ト
ランジスタのベース、エミツタ間に並列に制御用
トランジスタを接続するとともに、前記帰還巻線
に並列に第２の抵抗及び第２のコンデンサを接続
し、該第２のコンデンサの両端の電圧を前記制御
用トランジスタで検出して前記スイツチング用ト
ランジスタをターンオフすることを特徴とする自
励式インバータ。 A switching transistor is connected to a DC power supply through a primary winding of a main transformer, and a feedback winding of the main transformer is connected to the base of the switching transistor through a series circuit of a first resistor and a first capacitor. In the self-excited inverter connected between the emitters, a control transistor is connected in parallel between the base and the emitter of the switching transistor, and a second resistor and a second capacitor are connected in parallel to the feedback winding, A self-excited inverter characterized in that the voltage across the second capacitor is detected by the control transistor to turn off the switching transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP923289U JPH02103793U (en) | 1989-01-31 | 1989-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP923289U JPH02103793U (en) | 1989-01-31 | 1989-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02103793U true JPH02103793U (en) | 1990-08-17 |
Family
ID=31215798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP923289U Pending JPH02103793U (en) | 1989-01-31 | 1989-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02103793U (en) |
-
1989
- 1989-01-31 JP JP923289U patent/JPH02103793U/ja active Pending