JPS63202182U - - Google Patents
Info
- Publication number
- JPS63202182U JPS63202182U JP9325587U JP9325587U JPS63202182U JP S63202182 U JPS63202182 U JP S63202182U JP 9325587 U JP9325587 U JP 9325587U JP 9325587 U JP9325587 U JP 9325587U JP S63202182 U JPS63202182 U JP S63202182U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- overvoltage
- stop
- detecting
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は、本考案を利用した回路のブロツク図
である。第２図は、本考案をＲＣＣ方式の電源に
利用した回路図である。第３図は、従来の技術を
用いたブロツク図である。
１，１５……スイツチング部、２，１６……平
滑回路、３……負電圧発生回路、４，１７……出
力停止回路、５，１８……過電圧検知手段、６…
…出力停止継続手段、７……スイツチングトラン
ジスタ、８……フオトサイリスタ、９……負電圧
発生用ダイオード、１０……負電圧発生用コイル
、１１……過電圧検知用ツエナーダイオード、１
４……保持電流用抵抗。
FIG. 1 is a block diagram of a circuit utilizing the present invention. FIG. 2 is a circuit diagram in which the present invention is applied to an RCC type power source. FIG. 3 is a block diagram using the conventional technique. DESCRIPTION OF SYMBOLS 1, 15... Switching part, 2, 16... Smoothing circuit, 3... Negative voltage generation circuit, 4, 17... Output stop circuit, 5, 18... Overvoltage detection means, 6...
... Output stop continuation means, 7 ... Switching transistor, 8 ... Photothyristor, 9 ... Diode for negative voltage generation, 10 ... Coil for negative voltage generation, 11 ... Zener diode for overvoltage detection, 1
4...Resistance for holding current.
Claims (1)
チングさせ希望の直流電圧を得る直流電源装置に
おいて、出力の過電圧を検知のする手段と、所定
のバイアス電圧を発生させる回路と、前記過電圧
の検知手段により得られた信号により、スイツチ
ングトランジスタのベースを所定値にバイアスし
動作を停止させる回路と、さらにその動作の停止
を継続させる手段からなることを特徴とする直流
電源装置の過電圧防止装置。 In a DC power supply device that obtains a desired DC voltage by switching a transistor by self-excitation or separate excitation, the device includes means for detecting an output overvoltage, a circuit for generating a predetermined bias voltage, and a circuit for detecting the overvoltage obtained by the overvoltage detection means. 1. An overvoltage prevention device for a DC power supply, comprising a circuit that biases the base of a switching transistor to a predetermined value to stop its operation in response to a signal, and means for continuing to stop its operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9325587U JPS63202182U (en) | 1987-06-17 | 1987-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9325587U JPS63202182U (en) | 1987-06-17 | 1987-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63202182U true JPS63202182U (en) | 1988-12-27 |
Family
ID=30955686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9325587U Pending JPS63202182U (en) | 1987-06-17 | 1987-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63202182U (en) |
-
1987
- 1987-06-17 JP JP9325587U patent/JPS63202182U/ja active Pending
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