JPS59130190U - fire alarm device - Google Patents
fire alarm deviceInfo
- Publication number
- JPS59130190U JPS59130190U JP2292583U JP2292583U JPS59130190U JP S59130190 U JPS59130190 U JP S59130190U JP 2292583 U JP2292583 U JP 2292583U JP 2292583 U JP2292583 U JP 2292583U JP S59130190 U JPS59130190 U JP S59130190U
- Authority
- JP
- Japan
- Prior art keywords
- fire
- indicator light
- fire alarm
- alarm device
- operation indicator
- 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
Landscapes
- Alarm Systems (AREA)
- Fire Alarms (AREA)
- Fire-Detection Mechanisms (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来の火災報知装置の回路図、第2図はこの考
案の一実施例を示す火災報知装置の回路図をそれぞれ示
す。
A・・・火災検出用継電装置、OSC・・・パルス発振
器、LED・・・動作表示灯、0・・・過電圧検出回路
。FIG. 1 is a circuit diagram of a conventional fire alarm system, and FIG. 2 is a circuit diagram of a fire alarm system showing an embodiment of this invention. A: Fire detection relay device, OSC: Pulse oscillator, LED: Operation indicator, 0: Overvoltage detection circuit.
Claims (1)
灯を有する火災感知器が接続された火災報知装置におい
て、上記火災受信機内に有し、上記地区線路にパルス電
圧を重畳して印加するパルス発振器と、上記火災感知器
の動作表示灯と直列に接続された過電圧検出回路とを設
け、火災監視時上記動作表示灯を間欠的に点灯させるこ
とを特徴とする火災報知装置。In a fire alarm system in which a fire detector having an operation indicator light is connected between a district line extending from a DC power source of a fire receiver, the fire detector is provided in the fire receiver and a pulse voltage is applied in a superimposed manner to the district line. A fire alarm device comprising a pulse oscillator and an overvoltage detection circuit connected in series with the operation indicator light of the fire detector, and intermittently lights the operation indicator light during fire monitoring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2292583U JPS59130190U (en) | 1983-02-21 | 1983-02-21 | fire alarm device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2292583U JPS59130190U (en) | 1983-02-21 | 1983-02-21 | fire alarm device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59130190U true JPS59130190U (en) | 1984-09-01 |
JPS6347994Y2 JPS6347994Y2 (en) | 1988-12-09 |
Family
ID=30154015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2292583U Granted JPS59130190U (en) | 1983-02-21 | 1983-02-21 | fire alarm device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59130190U (en) |
-
1983
- 1983-02-21 JP JP2292583U patent/JPS59130190U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6347994Y2 (en) | 1988-12-09 |
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