JPH03111181U - - Google Patents
Info
- Publication number
- JPH03111181U JPH03111181U JP1833690U JP1833690U JPH03111181U JP H03111181 U JPH03111181 U JP H03111181U JP 1833690 U JP1833690 U JP 1833690U JP 1833690 U JP1833690 U JP 1833690U JP H03111181 U JPH03111181 U JP H03111181U
- Authority
- JP
- Japan
- Prior art keywords
- switching element
- transformer
- main switching
- ringing
- voltage
- 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
- 238000004804 winding Methods 0.000 claims 3
- 239000003990 capacitor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は従来のリンギングチヨークコンバータ
回路、第２図は本考案のリンギングチヨークコン
バータ回路である。第３図はリンギングチヨーク
コンバータを定電流入力電源により動作した時の
入力電圧、入力電流特性である。
第１，２図に於いて、Ｃ１，Ｃ２，Ｃ３，Ｃ４
はコンデンサ、Ｑ１，Ｑ２，Ｑ３はトランジスタ
、Ｒ１，Ｒ２，Ｒ３，Ｒ４，Ｒ５，Ｒ６，Ｒ７，
Ｒ８，Ｒ９は抵抗、Ｄ１，Ｄ２はダイオード、Ｄ
Ｚ１，ＤＺ２はツエナーダイオード、Ｔ１は変圧
器、ＰＣ１はホトカプラ、ＩＣ１は電圧検出用Ｉ
Ｃである。
FIG. 1 shows a conventional ringing chain converter circuit, and FIG. 2 shows a ringing chain converter circuit according to the present invention. FIG. 3 shows the input voltage and input current characteristics when the ringing choke converter is operated with a constant current input power source. In Figures 1 and 2, C 1 , C 2 , C 3 , C 4
is a capacitor, Q 1 , Q 2 , Q 3 are transistors, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 ,
R 8 and R 9 are resistors, D 1 and D 2 are diodes, and D
Z 1 and DZ 2 are Zener diodes, T 1 is a transformer, PC 1 is a photocoupler, and IC 1 is a voltage detection I
It is C.
Claims (1)
続された主スイツチング素子と前記変圧器の二次
巻線側に整流ダイオードを介して負荷を接続し、
かつ前記主スイツチング素子が前記変圧器のベー
ス駆動用巻線によつてＯＮ、ＯＦＦ制御されるリ
ンギングチヨークコンバータに於いて、前記定電
流電源の電圧を検出し、該電圧が一定値以下の時
、前記主スイツチング素子をＯＦＦせしめる回路
を附加せしめた事を特徴としたリンギングチヨー
クコンバータ。 A constant current power supply is input, and a load is connected to a main switching element connected to a primary winding of a transformer and a secondary winding of the transformer via a rectifier diode,
In a ringing chain converter in which the main switching element is ON/OFF controlled by the base drive winding of the transformer, the voltage of the constant current power supply is detected, and when the voltage is below a certain value, A ringing chain converter characterized in that a circuit for turning off the main switching element is added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1833690U JPH03111181U (en) | 1990-02-27 | 1990-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1833690U JPH03111181U (en) | 1990-02-27 | 1990-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03111181U true JPH03111181U (en) | 1991-11-14 |
Family
ID=31521499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1833690U Pending JPH03111181U (en) | 1990-02-27 | 1990-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03111181U (en) |
-
1990
- 1990-02-27 JP JP1833690U patent/JPH03111181U/ja active Pending
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