JPH0461437U - - Google Patents
Info
- Publication number
- JPH0461437U JPH0461437U JP10543190U JP10543190U JPH0461437U JP H0461437 U JPH0461437 U JP H0461437U JP 10543190 U JP10543190 U JP 10543190U JP 10543190 U JP10543190 U JP 10543190U JP H0461437 U JPH0461437 U JP H0461437U
- Authority
- JP
- Japan
- Prior art keywords
- switching element
- power failure
- circuit
- power
- failure detection
- 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 5
- 230000002265 prevention Effects 0.000 claims 2
- 230000002457 bidirectional effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
第１図は本考案の第１実施例を示す回路構成図
、第２図は本考案の第２実施例を示す回路構成図
、第３図は従来例を示す回路構成図である。
２……突入電流制限用抵抗、３……トライアツ
ク（スイツチング素子）、４……リレー（スイツ
チ手段）、７，７Ａ……駆動回路、１６，１６Ａ
……停電検出回路、１７，１７Ａ……停電検出時
にスイツチング素子をオフする手段、３０……フ
オトトライアツクカプラ（スイツチ手段）。
FIG. 1 is a circuit diagram showing a first embodiment of the present invention, FIG. 2 is a circuit diagram showing a second embodiment of the present invention, and FIG. 3 is a circuit diagram showing a conventional example. 2... Inrush current limiting resistor, 3... Triack (switching element), 4... Relay (switching means), 7,7A... Drive circuit, 16,16A
. . . Power failure detection circuit, 17, 17A . . . Means for turning off the switching element upon detection of power failure, 30 . . . Photo try coupler (switching means).
Claims (1)
抗と双方向性のスイツチング素子との並列回路を
挿入接続するとともにスイツチ手段の動作に応じ
て前記スイツチング素子をオン、オフさせる駆動
回路を接続し、電源投入時に所定時間経過後前記
スイツチ手段を介して前記スイツチング素子をオ
ンさせるようにした電源装置の突入電流防止回路
において、入力電圧の降下に基づき停電を検出す
る停電検出回路を整流部を介して交流入力部に接
続し、前記停電検出回路の停電検出動作により前
記スイツチ手段を介して前記スイツチング素子を
オフさせる手段を設けたことを特徴とする電源装
置の突入電流防止回路。 A parallel circuit consisting of an inrush current limiting resistor and a bidirectional switching element is inserted and connected to the AC input line of the electrode device, and a drive circuit that turns the switching element on and off according to the operation of the switching means is connected, and the power source is connected to the AC input line of the electrode device. In a rush current prevention circuit of a power supply device which turns on the switching element via the switching means after a predetermined time has elapsed when the power is turned on, a power failure detection circuit that detects a power failure based on a drop in input voltage is connected to an AC current through a rectifier. 1. A rush current prevention circuit for a power supply device, comprising means connected to an input section and configured to turn off the switching element via the switching means in response to a power failure detection operation of the power failure detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10543190U JPH0461437U (en) | 1990-10-05 | 1990-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10543190U JPH0461437U (en) | 1990-10-05 | 1990-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0461437U true JPH0461437U (en) | 1992-05-26 |
Family
ID=31851112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10543190U Pending JPH0461437U (en) | 1990-10-05 | 1990-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0461437U (en) |
-
1990
- 1990-10-05 JP JP10543190U patent/JPH0461437U/ja active Pending