JPH02118434U - - Google Patents
Info
- Publication number
- JPH02118434U JPH02118434U JP2593289U JP2593289U JPH02118434U JP H02118434 U JPH02118434 U JP H02118434U JP 2593289 U JP2593289 U JP 2593289U JP 2593289 U JP2593289 U JP 2593289U JP H02118434 U JPH02118434 U JP H02118434U
- Authority
- JP
- Japan
- Prior art keywords
- relay
- section
- reference voltage
- voltage
- 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 2
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
第１図は、この考案の実施例のブロツク図、第
２図は従来例の内部等価回路、第３図は第２図の
動作図である。
Ｂ……電源、Ｌ……負荷、１……検出部、ＲＥ
Ｆ……基準部、Ｃ……比較部、Ｄ……リレー駆動
部、ＳＷ……リセツトスイツチ、Ｒ……リレー。
FIG. 1 is a block diagram of an embodiment of this invention, FIG. 2 is an internal equivalent circuit of a conventional example, and FIG. 3 is an operational diagram of FIG. 2. B...Power supply, L...Load, 1...Detection section, RE
F...Reference section, C...Comparison section, D...Relay drive section, SW...Reset switch, R...Relay.
Claims (1)
電圧を検出する検出部と、基準電圧を発生する基
準電圧部と、前記検出電圧と基準電圧とが入力さ
れる比較部と、比較部の出力で前記リレーを駆動
するリレー駆動部と、前記リレーをＯＦＦ状態か
らＯＮ状態に動作させるリセツトスイツチとから
なり、前記検出電圧が基準電圧より低下した際、
比較部はリレー駆動部を介して該リレーをＯＦＦ
するようにして成る電源監視回路。 A relay that connects the power supply to the load, a detection section that detects the voltage on the load side, a reference voltage section that generates a reference voltage, a comparison section that receives the detected voltage and the reference voltage, and an output of the comparison section. a relay drive unit that drives the relay, and a reset switch that operates the relay from an OFF state to an ON state, and when the detected voltage falls below a reference voltage,
The comparison section turns off the relay via the relay drive section.
The power supply monitoring circuit consists of:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2593289U JPH02118434U (en) | 1989-03-06 | 1989-03-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2593289U JPH02118434U (en) | 1989-03-06 | 1989-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02118434U true JPH02118434U (en) | 1990-09-21 |
Family
ID=31247098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2593289U Pending JPH02118434U (en) | 1989-03-06 | 1989-03-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02118434U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5761924B2 (en) * | 1979-03-12 | 1982-12-27 | Uchida Seisakusho Kk | |
| JPS61258627A (en) * | 1985-05-07 | 1986-11-17 | 富士通株式会社 | Power source control circuit |
-
1989
- 1989-03-06 JP JP2593289U patent/JPH02118434U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5761924B2 (en) * | 1979-03-12 | 1982-12-27 | Uchida Seisakusho Kk | |
| JPS61258627A (en) * | 1985-05-07 | 1986-11-17 | 富士通株式会社 | Power source control circuit |