JPS5981238U - Power supply power failure detection circuit - Google Patents
Power supply power failure detection circuitInfo
- Publication number
- JPS5981238U JPS5981238U JP17609582U JP17609582U JPS5981238U JP S5981238 U JPS5981238 U JP S5981238U JP 17609582 U JP17609582 U JP 17609582U JP 17609582 U JP17609582 U JP 17609582U JP S5981238 U JPS5981238 U JP S5981238U
- Authority
- JP
- Japan
- Prior art keywords
- failure detection
- detection circuit
- power supply
- power failure
- 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
Landscapes
- Tests Of Electronic Circuits (AREA)
- Emergency Protection Circuit Devices (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Protection Of Static Devices (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の電源装置の停電検出回路図、第２図は本
考案の一実施例を示す回路図、第３図は説明のための波
形図である。
１・・・整流器、２・・・スイッチレギュレータ、７・
・・コンパレータ、１０・・・検出部。FIG. 1 is a power failure detection circuit diagram of a conventional power supply device, FIG. 2 is a circuit diagram showing an embodiment of the present invention, and FIG. 3 is a waveform diagram for explanation. 1... Rectifier, 2... Switch regulator, 7.
... Comparator, 10... Detection section.
Claims (1)
電圧をスイッチングレ、ギュレータにて調整して負荷に
印加するようなものに於て、前記整流器の交流側と負極
間にタイオードよりなる検出部と抵抗の直列回路を接続
し、この検出部と抵抗との橋絡焦電圧と前記スイッチン
グレギュルータの出力電圧とを突き合せ、その偏差出力
をコンパレークに出力するように構成したことを特徴と
し。 た電源装置の停電検出回路。[Claims for Utility Model Registration] In a device in which the current output voltage of a rectifier is smoothed by a capacitor, and this DC voltage is adjusted by a switching regulator or regulator and applied to a load, the AC side and the negative terminal of the rectifier A series circuit of a detection section consisting of a diode and a resistor is connected in between, and the bridging focal voltage between the detection section and the resistor is compared with the output voltage of the switching regulator, and the deviation output is outputted to a comparator. It is characterized by having been configured. Power failure detection circuit for power supply equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17609582U JPS5981238U (en) | 1982-11-20 | 1982-11-20 | Power supply power failure detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17609582U JPS5981238U (en) | 1982-11-20 | 1982-11-20 | Power supply power failure detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5981238U true JPS5981238U (en) | 1984-06-01 |
Family
ID=30382938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17609582U Pending JPS5981238U (en) | 1982-11-20 | 1982-11-20 | Power supply power failure detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5981238U (en) |
-
1982
- 1982-11-20 JP JP17609582U patent/JPS5981238U/en active Pending
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