JPH02140477U - - Google Patents
Info
- Publication number
- JPH02140477U JPH02140477U JP4767489U JP4767489U JPH02140477U JP H02140477 U JPH02140477 U JP H02140477U JP 4767489 U JP4767489 U JP 4767489U JP 4767489 U JP4767489 U JP 4767489U JP H02140477 U JPH02140477 U JP H02140477U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- battery
- drop detection
- notification
- pseudo load
- 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 7
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Measurement Of Current Or Voltage (AREA)
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
Description
第1図は本考案による通報装置の電池電圧低下
検出装置の基本構成を示すブロツク図、第2図は
本考案による通報装置の電池電圧低下検出装置の
一実施例を示すブロツク図、第3図は第2図中の
CPUが実行する仕事を示すフローチヤート図、
第4図は第2図装置における検出電圧レベルを示
す説明図である。
1……通報装置、2……電池、3……疑似負荷
、4……電圧供給手段、5……電圧低下検出手段
、1a……CPU、1a1……タイマ回路、1b
……通報回路、6……電圧検出回路、7……オン
・オフスイツチ、8……A/Dコンバータ。
FIG. 1 is a block diagram showing the basic configuration of a battery voltage drop detection device for a notification device according to the present invention, FIG. 2 is a block diagram showing an embodiment of the battery voltage drop detection device for a notification device according to the present invention, and FIG. is a flowchart showing the work performed by the CPU in Figure 2,
FIG. 4 is an explanatory diagram showing the detected voltage level in the device of FIG. 2. DESCRIPTION OF SYMBOLS 1... Notification device, 2... Battery, 3... Pseudo load, 4... Voltage supply means, 5... Voltage drop detection means, 1a... CPU, 1a 1 ... Timer circuit, 1b
...Notification circuit, 6...Voltage detection circuit, 7...On/off switch, 8...A/D converter.
Claims (1)
電時などにバツクアツプするための電池の電圧を
監視し、その電圧が所定値以下に低下したことを
検出する通報装置の電池電圧低下検出装置におい
て、 前記通報装置の通報動作時の負荷の消費電流と
同じ消費電流を流す疑似負荷と、 該疑似負荷に対して所定時間毎に前記電池より
電圧を供給する電圧供給手段と、 該電圧供給手段により疑似負荷に電圧が供給さ
れたとき前記電池の電圧が所定値以下に低下した
ことを検出する電圧低下検出手段とを備える、 ことを特徴とする通報装置の電池電圧低下検出
装置。[Scope of Utility Model Registration Request] A notification that monitors the voltage of a battery used to back up the power supply of a reporting device that collects information and sends a notification in the event of a power outage, etc., and detects when the voltage drops below a predetermined value. In the battery voltage drop detection device of the device, a pseudo load that flows the same current consumption as the current consumption of the load during the reporting operation of the reporting device, and a voltage supply that supplies voltage from the battery to the pseudo load at predetermined time intervals. and voltage drop detection means for detecting that the voltage of the battery has dropped below a predetermined value when voltage is supplied to the pseudo load by the voltage supply means. Drop detection device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4767489U JPH02140477U (en) | 1989-04-25 | 1989-04-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4767489U JPH02140477U (en) | 1989-04-25 | 1989-04-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02140477U true JPH02140477U (en) | 1990-11-26 |
Family
ID=31563812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4767489U Pending JPH02140477U (en) | 1989-04-25 | 1989-04-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02140477U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007285461A (en) * | 2006-04-19 | 2007-11-01 | Matsushita Electric Ind Co Ltd | Gas-blast circuit-breaker |
JP2008059025A (en) * | 2006-08-29 | 2008-03-13 | Matsushita Electric Ind Co Ltd | Gas shutoff device |
-
1989
- 1989-04-25 JP JP4767489U patent/JPH02140477U/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007285461A (en) * | 2006-04-19 | 2007-11-01 | Matsushita Electric Ind Co Ltd | Gas-blast circuit-breaker |
JP4508149B2 (en) * | 2006-04-19 | 2010-07-21 | パナソニック株式会社 | Gas shut-off device |
JP2008059025A (en) * | 2006-08-29 | 2008-03-13 | Matsushita Electric Ind Co Ltd | Gas shutoff device |
JP4544216B2 (en) * | 2006-08-29 | 2010-09-15 | パナソニック株式会社 | Gas shut-off device |
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