JPS62185488U - - Google Patents
Info
- Publication number
- JPS62185488U JPS62185488U JP7374586U JP7374586U JPS62185488U JP S62185488 U JPS62185488 U JP S62185488U JP 7374586 U JP7374586 U JP 7374586U JP 7374586 U JP7374586 U JP 7374586U JP S62185488 U JPS62185488 U JP S62185488U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- series
- secondary side
- resistor
- power supply
- 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 3
- 230000002457 bidirectional effect Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例を示す回路構成図、
第２図、第３図は夫々従来の起動回路を示す回路
構成図である。
１は入力整流部、２は制御回路、３はコンバー
タトランス、４は出力部、５は起動回路、ＡＣは
交流入力電源、Ｃは平滑用コンデンサ、Ｒは突入
電流防止用の抵抗器、Ｔｒはスイツチングトラン
ジスタ。
FIG. 1 is a circuit diagram showing an embodiment of the present invention;
FIGS. 2 and 3 are circuit configuration diagrams showing conventional startup circuits, respectively. 1 is an input rectifier section, 2 is a control circuit, 3 is a converter transformer, 4 is an output section, 5 is a starting circuit, AC is an AC input power supply, C is a smoothing capacitor, R is a resistor for preventing rush current, Tr is a switching transistor.
Claims (1)
たスイツチングトランジスタを制御回路にて制御
し、コンバータートランスの二次側に所定の電圧
を得るものにおいて、前記スイツチングトランジ
スタと直列に突入電流防止用の抵抗器を接続し、
この抵抗器の両端にコンデンサを含む時定数回路
を接続し、この時定数回路のコンデンサと並列に
双方向導通の２端子サイリスタと高周波トランス
の一次側巻線との直列回路を接続し、高周波トラ
ンスの二次側出力を起動信号として、前記制御回
路に出力するよう構成したことを特徴とする直流
電源装置の起動回路。 A switching transistor connected in series with the primary side of the converter transformer is controlled by a control circuit to obtain a predetermined voltage on the secondary side of the converter transformer, and a resistor for preventing inrush current is connected in series with the switching transistor. connect,
A time constant circuit including a capacitor is connected to both ends of this resistor, and a series circuit consisting of a two-terminal thyristor with bidirectional conduction and the primary winding of a high frequency transformer is connected in parallel with the capacitor of this time constant circuit. A starting circuit for a DC power supply device, characterized in that the secondary side output of the DC power supply device is configured to output the secondary side output as a starting signal to the control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7374586U JPS62185488U (en) | 1986-05-16 | 1986-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7374586U JPS62185488U (en) | 1986-05-16 | 1986-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62185488U true JPS62185488U (en) | 1987-11-25 |
Family
ID=30918349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7374586U Pending JPS62185488U (en) | 1986-05-16 | 1986-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62185488U (en) |
-
1986
- 1986-05-16 JP JP7374586U patent/JPS62185488U/ja active Pending
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