JPH02107226U - - Google Patents
Info
- Publication number
- JPH02107226U JPH02107226U JP1646289U JP1646289U JPH02107226U JP H02107226 U JPH02107226 U JP H02107226U JP 1646289 U JP1646289 U JP 1646289U JP 1646289 U JP1646289 U JP 1646289U JP H02107226 U JPH02107226 U JP H02107226U
- Authority
- JP
- Japan
- Prior art keywords
- power
- power supply
- supply device
- detecting section
- intermediate voltage
- 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 9
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
Landscapes
- Dc-Dc Converters (AREA)
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
Description
第１図は本考案の基本構成図、第２図は本考案
の一実施例構成、第３図は動作説明タイムチヤー
ト、第４図は従来の構成図である。
図中、１……電源装置、２……昇圧チヨツパ回
路、３……中間電圧検出部、４……交流入力電圧
検出部、５……停電検出信号送出器、６……停電
検出回路、７……整流器、８……チヨーク・コイ
ル、９……ＦＥＴトランジスタ、１０……ダイオ
ード、１１……コンデンサ、１２……ＤＣ−ＤＣ
コンバータ、１３，１４……比較器、１５……フ
オト・カプラ、１６……トランス、１７……整流
器、１８……定電圧ダイオード、１９……基準電
源、２０……コンデンサ、２１，２２，２３，２
４……抵抗、２５……昇圧チヨツパ制御部。
FIG. 1 is a basic configuration diagram of the present invention, FIG. 2 is a configuration diagram of an embodiment of the present invention, FIG. 3 is a time chart for explaining the operation, and FIG. 4 is a conventional configuration diagram. In the figure, 1...Power supply device, 2...Step-up chopper circuit, 3...Intermediate voltage detection section, 4...AC input voltage detection section, 5...Power failure detection signal transmitter, 6...Power failure detection circuit, 7 ... Rectifier, 8 ... Chiyoke coil, 9 ... FET transistor, 10 ... Diode, 11 ... Capacitor, 12 ... DC-DC
Converter, 13, 14... Comparator, 15... Photo coupler, 16... Transformer, 17... Rectifier, 18... Constant voltage diode, 19... Reference power supply, 20... Capacitor, 21, 22, 23 ,2
4...Resistor, 25...Boost chopper control section.
Claims (1)
検出回路装置において、 該電源装置１に交流電源を供給する該交流電源
側からその停電を検出する交流入力電圧検出部４
と、 上記昇圧チヨツパ回路２の出力側からその中間
電圧の停電を検出する中間電圧検出部３と、 これら交流入力電圧検出部４及び中間電圧検出
部３の２つの検出信号から電源装置１の停電を検
出する停電検出信号送出器５ とを備えたことを特徴とする停電検出回路装置
。[Scope of Claim for Utility Model Registration] In a power failure detection circuit device for a power supply device 1 equipped with a step-up chopper circuit 2, an AC input voltage detection unit that detects a power failure from the AC power supply side that supplies AC power to the power supply device 1. 4
and an intermediate voltage detecting section 3 that detects a power outage of the intermediate voltage from the output side of the step-up chopper circuit 2, and detecting a power outage of the power supply device 1 from the two detection signals of the AC input voltage detecting section 4 and the intermediate voltage detecting section 3. A power outage detection circuit device comprising: a power outage detection signal transmitter 5 for detecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1646289U JPH02107226U (en) | 1989-02-15 | 1989-02-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1646289U JPH02107226U (en) | 1989-02-15 | 1989-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02107226U true JPH02107226U (en) | 1990-08-27 |
Family
ID=31229420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1646289U Pending JPH02107226U (en) | 1989-02-15 | 1989-02-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02107226U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55166419A (en) * | 1979-06-08 | 1980-12-25 | Mitsubishi Electric Corp | Power supply low voltage protector |
| JPH02106122A (en) * | 1988-10-14 | 1990-04-18 | Hitachi Ltd | Power source interruption detecting system |
-
1989
- 1989-02-15 JP JP1646289U patent/JPH02107226U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55166419A (en) * | 1979-06-08 | 1980-12-25 | Mitsubishi Electric Corp | Power supply low voltage protector |
| JPH02106122A (en) * | 1988-10-14 | 1990-04-18 | Hitachi Ltd | Power source interruption detecting system |