JPH01159546U - - Google Patents
Info
- Publication number
- JPH01159546U JPH01159546U JP5319088U JP5319088U JPH01159546U JP H01159546 U JPH01159546 U JP H01159546U JP 5319088 U JP5319088 U JP 5319088U JP 5319088 U JP5319088 U JP 5319088U JP H01159546 U JPH01159546 U JP H01159546U
- Authority
- JP
- Japan
- Prior art keywords
- primary winding
- switching element
- circuit
- transformer
- switching
- 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 description 4
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Protection Of Static Devices (AREA)
- Dc-Dc Converters (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
第１図は、本考案の一実施例を示す回路図、第
２図は従来の電源の過電圧保護回路の一例を示す
回路図である。
１，１５，１６…過電圧検出回路、２…停止回
路、３…スイツチング素子、４…トランス、５…
一次巻線、６，９，１２…二次巻線、７，１０，
１３…ダイオード、８，１１，１４…コンデンサ
。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG. 2 is a circuit diagram showing an example of a conventional overvoltage protection circuit for a power supply. 1, 15, 16...Overvoltage detection circuit, 2...Stop circuit, 3...Switching element, 4...Transformer, 5...
Primary winding, 6, 9, 12...Secondary winding, 7, 10,
13...Diode, 8,11,14...Capacitor.
Claims (1)
をするスイツチング素子と、前記一次巻線に誘起
した電圧があらかじめ設定した基準値を超えたと
き制御信号を出力する過電圧検出回路と、前記制
御信号によつて前記スイツチング素子の動作を停
止させる停止回路とを有することを特徴とする電
源の過電圧保護回路。 a switching element connected to the primary winding of the transformer to perform a switching operation; an overvoltage detection circuit that outputs a control signal when the voltage induced in the primary winding exceeds a preset reference value; An overvoltage protection circuit for a power supply, comprising a stop circuit that stops the operation of the switching element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5319088U JPH01159546U (en) | 1988-04-19 | 1988-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5319088U JPH01159546U (en) | 1988-04-19 | 1988-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01159546U true JPH01159546U (en) | 1989-11-06 |
Family
ID=31279184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5319088U Pending JPH01159546U (en) | 1988-04-19 | 1988-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01159546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0833197A (en) * | 1994-07-15 | 1996-02-02 | Kasuga Denki Kk | Circuit for cutting off dc high-voltage power supply |
-
1988
- 1988-04-19 JP JP5319088U patent/JPH01159546U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0833197A (en) * | 1994-07-15 | 1996-02-02 | Kasuga Denki Kk | Circuit for cutting off dc high-voltage power supply |