JPH01120745U - - Google Patents
Info
- Publication number
- JPH01120745U JPH01120745U JP1324488U JP1324488U JPH01120745U JP H01120745 U JPH01120745 U JP H01120745U JP 1324488 U JP1324488 U JP 1324488U JP 1324488 U JP1324488 U JP 1324488U JP H01120745 U JPH01120745 U JP H01120745U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- power supply
- detection signal
- data processing
- circuit
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims 5
- 238000012544 monitoring process Methods 0.000 claims 5
- 230000007257 malfunction Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Power Sources (AREA)
- Stand-By Power Supply Arrangements (AREA)
Description
第１図はこの考案の一実施例のデータ処理シス
テムの回路図であり、第２図は第１図に示す電圧
検出器の動作特性を示す図であり、第３図は第１
図に示すデータ処理システムの動作を説明するた
めの図である。
１０……電源装置、１１……データ処理装置、
１３……主電源回路、１５……補助電源回路、２
５，２７……電圧検出器、２９……ラツチ回路。
FIG. 1 is a circuit diagram of a data processing system according to an embodiment of this invention, FIG. 2 is a diagram showing the operating characteristics of the voltage detector shown in FIG. 1, and FIG.
FIG. 2 is a diagram for explaining the operation of the data processing system shown in the figure. 10...power supply device, 11...data processing device,
13...Main power supply circuit, 15...Auxiliary power supply circuit, 2
5, 27... Voltage detector, 29... Latch circuit.
Claims (1)
たために通常の動作ができないときにこの負荷回
路に電力を供給する補助電源と、この補助電源の
出力電圧が所定値よりも低下したことを検出し検
知信号を発生する電圧監視回路と、この電圧監視
回路からの検知信号に応答して負荷回路の一部の
機能障害を知らせる出力信号を持続的に発生する
信号発生手段とを備えることを特徴とするバツク
アツプ電源回路。 (2) データ処理装置が主電源からの電力供給を
断たれたために通常の動作ができないときにデー
タ処理装置の一部に電力を供給する補助電源と、
この補助電源の出力電圧が所定値よりも低下した
ことを検知し第一検知信号を発生する第一電圧監
視回路と、主電源の出力電圧が所定値よりも低下
したことを検知し第二検知信号を発生する第二電
圧監視回路と、前記第一検知信号によりセツトさ
れ前記データ処理装置で発生される解除信号によ
りリセツトされるフリツプフロツプおよび前記第
二検知信号により前記解除信号をマスクするゲー
ト回路を有し前記フリツプフロツプがセツトされ
た状態で前記データ処理装置の前記一部の機能障
害を知らせる出力信号を発生する信号発生手段と
を具備することを特徴とするバツクアツプ電源回
路。[Claims for Utility Model Registration] (1) An auxiliary power supply that supplies power to the load circuit when the load circuit cannot operate normally because the power supply from the main power supply is cut off, and the output voltage of this auxiliary power supply. A voltage monitoring circuit that detects that the voltage has fallen below a predetermined value and generates a detection signal, and in response to the detection signal from this voltage monitoring circuit, continuously generates an output signal that indicates a malfunction in a part of the load circuit. 1. A backup power supply circuit comprising a signal generating means for generating a signal. (2) an auxiliary power source that supplies power to a portion of the data processing device when the data processing device is unable to operate normally due to a power cutoff from the main power source;
A first voltage monitoring circuit detects that the output voltage of the auxiliary power supply has fallen below a predetermined value and generates a first detection signal, and a second voltage monitoring circuit detects that the output voltage of the main power supply has fallen below a predetermined value. a second voltage monitoring circuit that generates a signal; a flip-flop that is set by the first detection signal and reset by a release signal generated by the data processing device; and a gate circuit that masks the release signal by the second detection signal. and signal generating means for generating an output signal indicating a malfunction of the part of the data processing device when the flip-flop is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1324488U JPH0724917Y2 (en) | 1988-02-03 | 1988-02-03 | Backup power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1324488U JPH0724917Y2 (en) | 1988-02-03 | 1988-02-03 | Backup power supply circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01120745U true JPH01120745U (en) | 1989-08-16 |
| JPH0724917Y2 JPH0724917Y2 (en) | 1995-06-05 |
Family
ID=31223384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1324488U Expired - Lifetime JPH0724917Y2 (en) | 1988-02-03 | 1988-02-03 | Backup power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0724917Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05204778A (en) * | 1992-01-30 | 1993-08-13 | Mitsubishi Electric Corp | Memory backup circuit |
| WO2008084740A1 (en) * | 2007-01-11 | 2008-07-17 | Daikin Industries, Ltd. | Report system |
-
1988
- 1988-02-03 JP JP1324488U patent/JPH0724917Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05204778A (en) * | 1992-01-30 | 1993-08-13 | Mitsubishi Electric Corp | Memory backup circuit |
| WO2008084740A1 (en) * | 2007-01-11 | 2008-07-17 | Daikin Industries, Ltd. | Report system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0724917Y2 (en) | 1995-06-05 |
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