JPH0299598U - - Google Patents
Info
- Publication number
- JPH0299598U JPH0299598U JP814789U JP814789U JPH0299598U JP H0299598 U JPH0299598 U JP H0299598U JP 814789 U JP814789 U JP 814789U JP 814789 U JP814789 U JP 814789U JP H0299598 U JPH0299598 U JP H0299598U
- Authority
- JP
- Japan
- Prior art keywords
- abnormality
- secondary battery
- detection circuit
- circuit
- emergency light
- 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 9
- 230000005856 abnormality Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図は本考案の一実施例の概略的な回路図、
第２図は同上の一部回路を別構成にした場合の回
路図、第３図は同上の具体回路図、第４図は同上
の別構成の具体回路図、第５図は従来例の回路図
である。
１は停電検知回路、３は充電異常検知回路、４
は非常灯異常検知回路、５はナンド回路、６はオ
ア回路、Ｂは２次電池、ｌは非常灯、ＬＤは発光
ダイオード、Ｒ１０は抵抗、ＳＷ１，ＳＷ２はス
イツチ、ＡＣは商用電源、Ｒｅは整流回路である
。
FIG. 1 is a schematic circuit diagram of an embodiment of the present invention;
Fig. 2 is a circuit diagram of a part of the same circuit as above with a different configuration, Fig. 3 is a specific circuit diagram of the same as above, Fig. 4 is a specific circuit diagram of the same as above with a different configuration, and Fig. 5 is a conventional circuit. It is a diagram. 1 is a power failure detection circuit, 3 is a charging abnormality detection circuit, 4
is an emergency light abnormality detection circuit, 5 is a NAND circuit, 6 is an OR circuit, B is a secondary battery, l is an emergency light, LD is a light emitting diode, R10 is a resistor, SW 1 and SW 2 are switches, AC is a commercial power supply , Re is a rectifier circuit.
Claims (1)
停電を検知する停電検知回路と、この停電検知回
路の検知出力で２次電池に非常灯を接続する第１
のスイツチと、上記２次電池に限流用抵抗を介し
て並列的に接続された発光ダイオードと、２次電
池の充電異常を検知する充電異常検知回路と、非
常灯の異常を検知する非常灯異常検知回路と、上
記両異常検知回路のいずれか一方あるいは両方で
異常が検知されたとき上記発光ダイオードの両端
を短絡する第２のスイツチとを備えた非常灯点灯
装置。 A secondary battery that is charged with the rectified output of a commercial power supply,
A power outage detection circuit that detects a power outage, and a first circuit that connects an emergency light to a secondary battery using the detection output of this power outage detection circuit.
switch, a light emitting diode connected in parallel to the above-mentioned secondary battery via a current limiting resistor, a charging abnormality detection circuit that detects a charging abnormality of the secondary battery, and an emergency light abnormality detecting circuit that detects an abnormality of the emergency light. An emergency light lighting device comprising a detection circuit and a second switch that shorts both ends of the light emitting diode when an abnormality is detected in either or both of the abnormality detection circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP814789U JPH0299598U (en) | 1989-01-26 | 1989-01-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP814789U JPH0299598U (en) | 1989-01-26 | 1989-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0299598U true JPH0299598U (en) | 1990-08-08 |
Family
ID=31213768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP814789U Pending JPH0299598U (en) | 1989-01-26 | 1989-01-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0299598U (en) |
-
1989
- 1989-01-26 JP JP814789U patent/JPH0299598U/ja active Pending
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