JPS60119831U - Power supply disconnected circuit - Google Patents
Power supply disconnected circuitInfo
- Publication number
- JPS60119831U JPS60119831U JP774584U JP774584U JPS60119831U JP S60119831 U JPS60119831 U JP S60119831U JP 774584 U JP774584 U JP 774584U JP 774584 U JP774584 U JP 774584U JP S60119831 U JPS60119831 U JP S60119831U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- power supply
- voltage
- cutoff
- 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
- Emergency Protection Circuit Devices (AREA)
- Stand-By Power Supply Arrangements (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
図面は本考案の一実施例を示すブロック回路図である。
１・・・入力電源端子、２・・・電池入力端子、３・・
・出力電源端子、４・・・出力しゃ断信号端子、５・・
・電圧低下出力端子、６・・・１次電圧検出回路、７・
・・２次電圧検出回路、８・・・出力しゃ断信号発生回
路、９・・・電源回路、１０・・・電池、１１・・・電
気装置。The drawing is a block circuit diagram showing an embodiment of the present invention. 1...Input power supply terminal, 2...Battery input terminal, 3...
・Output power supply terminal, 4... Output cutoff signal terminal, 5...
・Voltage drop output terminal, 6...Primary voltage detection circuit, 7.
...Secondary voltage detection circuit, 8...Output cutoff signal generation circuit, 9...Power supply circuit, 10...Battery, 11...Electrical device.
Claims (1)
回路において、前記電池の端子電圧が低下したときの第
１電圧を検出する一次電圧検出回路と、前記第１電圧よ
りも低い第２電圧を検出する二次電圧検出回路と、前記
−火室圧検出回路からの出力信号を入力して出力しゃ断
要求信号を発生する、前記電源から電力を供給されてい
る電気装置と、前記出力しゃ断要求信号と前記二次電圧
検出回路からの出力信号との論理積をとる出力しゃ断信
号発生回路と、該出力しゃ断信号発生回路からの出力し
ゃ断信号によって電源の出力を停止する電源回路とを具
備することを特徴とする電源しゃ断回路。In a power cutoff circuit for a power source that includes a battery as a backup power source, the circuit includes a primary voltage detection circuit that detects a first voltage when the terminal voltage of the battery decreases, and a secondary voltage detection circuit that detects a second voltage that is lower than the first voltage. an electric device supplied with power from the power supply, which receives an output signal from the firebox pressure detection circuit and generates an output cutoff request signal; The present invention is characterized by comprising an output cutoff signal generation circuit that performs an AND with an output signal from the next voltage detection circuit, and a power supply circuit that stops the output of the power supply in response to the output cutoff signal from the output cutoff signal generation circuit. Power cutoff circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP774584U JPS60119831U (en) | 1984-01-24 | 1984-01-24 | Power supply disconnected circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP774584U JPS60119831U (en) | 1984-01-24 | 1984-01-24 | Power supply disconnected circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60119831U true JPS60119831U (en) | 1985-08-13 |
Family
ID=30486379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP774584U Pending JPS60119831U (en) | 1984-01-24 | 1984-01-24 | Power supply disconnected circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60119831U (en) |
-
1984
- 1984-01-24 JP JP774584U patent/JPS60119831U/en active Pending
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