JPS62188941U - - Google Patents
Info
- Publication number
- JPS62188941U JPS62188941U JP7538086U JP7538086U JPS62188941U JP S62188941 U JPS62188941 U JP S62188941U JP 7538086 U JP7538086 U JP 7538086U JP 7538086 U JP7538086 U JP 7538086U JP S62188941 U JPS62188941 U JP S62188941U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage
- detection operation
- supply device
- failure monitoring
- 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 description 6
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Stand-By Power Supply Arrangements (AREA)
- Fire Alarms (AREA)
- Control Of Voltage And Current In General (AREA)
Description
第１図はこの考案の一実施例を示す回路図、第
２図は従来の回路図である。
符号説明、ＣＶ……定電圧回路、ＮＥ……常用
電源、ＡＥ……予備電源、ＩＭ……停電監視回路
、ＶＤ……電圧検出回路、Ｍ……切替手段。
FIG. 1 is a circuit diagram showing an embodiment of this invention, and FIG. 2 is a conventional circuit diagram. Description of symbols, CV: constant voltage circuit, NE: regular power supply, AE: standby power supply, IM: power failure monitoring circuit, VD: voltage detection circuit, M: switching means.
Claims (1)
電監視回路の検出動作を介して切替えられる火災
報知設備などの電源供給装置であつて、定電圧回
路の所定出力電圧を検出する電圧検出回路と、こ
の電圧検出回路の上記検出動作と停電監視回路の
上記検出動作とのＡＮＤ出力によつて上記切替え
を行う切替手段とを有していることを特徴とする
火災報知設備などの電源供給装置。 A power supply device such as a fire alarm system in which a regular power source and a standby power source equipped with a constant voltage circuit are switched through the detection operation of a power failure monitoring circuit, and the voltage detection circuit detects a predetermined output voltage of the constant voltage circuit. A power supply device for fire alarm equipment or the like, characterized in that it has a switching means that performs the switching according to an AND output of the detection operation of the voltage detection circuit and the detection operation of the power failure monitoring circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986075380U JPH0428194Y2 (en) | 1986-05-21 | 1986-05-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986075380U JPH0428194Y2 (en) | 1986-05-21 | 1986-05-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62188941U true JPS62188941U (en) | 1987-12-01 |
| JPH0428194Y2 JPH0428194Y2 (en) | 1992-07-08 |
Family
ID=30921467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986075380U Expired JPH0428194Y2 (en) | 1986-05-21 | 1986-05-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0428194Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001197682A (en) * | 2000-01-05 | 2001-07-19 | Internatl Business Mach Corp <Ibm> | Power supply switching apparatus and computer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50116931A (en) * | 1974-02-28 | 1975-09-12 | ||
| JPS62161550U (en) * | 1986-04-03 | 1987-10-14 |
-
1986
- 1986-05-21 JP JP1986075380U patent/JPH0428194Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50116931A (en) * | 1974-02-28 | 1975-09-12 | ||
| JPS62161550U (en) * | 1986-04-03 | 1987-10-14 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0428194Y2 (en) | 1992-07-08 |