JPS61120287U - - Google Patents
Info
- Publication number
- JPS61120287U JPS61120287U JP390985U JP390985U JPS61120287U JP S61120287 U JPS61120287 U JP S61120287U JP 390985 U JP390985 U JP 390985U JP 390985 U JP390985 U JP 390985U JP S61120287 U JPS61120287 U JP S61120287U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- outputs
- output
- detection means
- primary winding
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 5
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
Landscapes
- Protection Of Static Devices (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例のブロツク図、第２
図は従来の電源装置のブロツク図、第３図は電源
装置の正常動作のタイムチヤート、第４図は電源
装置の異常動作のタロムチヤートである。
１……電圧変換回路、２，２０……垂下回路、
３……整流回路、４……制御回路、１１……変成
器、１２，２４……トランジスタ（過電流検出手
段）、２１，２５……抵抗、２２，３１……整流
器、２３，３２……コンデンサ（静電容量）、４
１……入力検出手段、４２……駆動手段、４３…
…駆動停止手段、４４……出力検出手段。
Fig. 1 is a block diagram of an embodiment of the present invention;
FIG. 3 is a block diagram of a conventional power supply device, FIG. 3 is a time chart of normal operation of the power supply device, and FIG. 4 is a time chart of abnormal operation of the power supply device. 1... Voltage conversion circuit, 2, 20... Drooping circuit,
3... Rectifier circuit, 4... Control circuit, 11... Transformer, 12, 24... Transistor (overcurrent detection means), 21, 25... Resistor, 22, 31... Rectifier, 23, 32... Capacitor (capacitance), 4
1...Input detection means, 42...Driving means, 43...
... Drive stop means, 44... Output detection means.
Claims (1)
一次巻線の電流を断続するスイツチ手段とを有す
る電圧変換回路と、 前記二次巻線に接続しこの二次巻線に誘起され
る二次電流を整流して出力する整流回路と、 静電容量と、この静電容量の端子電圧が所定値
を越えたことを検出して出力する過電流検出手段
と、前記過電流検出手段が動作すると前記静電容
量の蓄積電荷を放電し所定時間内に前記過電流検
出手段の出力を停止させる放電回路とを有し、前
記一次巻線および前記スイツチ手段に直列接続し
前記電圧変換回路の入力電流を検出して過電流検
出時に出力を行なう垂下回路と、 前記整流回路の出力を検出しこの出力に応じて
前記スイツチ手段の開閉時間の調整を行なう一方
前記垂下回路の出力を受信すると前記スイツチ手
段を開状態にする制御回路とを備えたことを特徴
とする電源回路。[Claims for Utility Model Registration] A voltage converter circuit having a transformer having a primary winding and a secondary winding, and a switch means for connecting and disconnecting the current in the primary winding; A rectifier circuit that rectifies and outputs the secondary current induced in the next winding, a capacitor, and an overcurrent detection means that detects and outputs when the terminal voltage of this capacitance exceeds a predetermined value. , a discharging circuit that discharges the accumulated charge of the capacitance and stops the output of the overcurrent detection means within a predetermined time when the overcurrent detection means operates, and is connected in series to the primary winding and the switch means. a drooping circuit which is connected to detect the input current of the voltage conversion circuit and outputs an output when an overcurrent is detected; A power supply circuit comprising: a control circuit that opens the switch means upon receiving an output of the circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP390985U JPS61120287U (en) | 1985-01-16 | 1985-01-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP390985U JPS61120287U (en) | 1985-01-16 | 1985-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61120287U true JPS61120287U (en) | 1986-07-29 |
Family
ID=30478978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP390985U Pending JPS61120287U (en) | 1985-01-16 | 1985-01-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61120287U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02174556A (en) * | 1988-12-23 | 1990-07-05 | Origin Electric Co Ltd | Converter having drooping output characteristic |
-
1985
- 1985-01-16 JP JP390985U patent/JPS61120287U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02174556A (en) * | 1988-12-23 | 1990-07-05 | Origin Electric Co Ltd | Converter having drooping output characteristic |
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