JPS59130190U - fire alarm device - Google Patents

fire alarm device

Info

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
Application number
JP2292583U
Other languages
Japanese (ja)
Other versions
JPS6347994Y2 (en
Inventor
篠原　善徳
Original Assignee
ニツタン株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ニツタン株式会社 filed Critical ニツタン株式会社
Priority to JP2292583U priority Critical patent/JPS59130190U/en
Publication of JPS59130190U publication Critical patent/JPS59130190U/en
Application granted granted Critical
Publication of JPS6347994Y2 publication Critical patent/JPS6347994Y2/ja
Granted legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 火災受信機の直流電源より伸びた地区線路間に動作表示
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.
JP2292583U 1983-02-21 1983-02-21 fire alarm device Granted JPS59130190U (en)

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)

Also Published As

Publication number Publication date
JPS6347994Y2 (en) 1988-12-09

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