JPS6214594U - - Google Patents

Info

Publication number
JPS6214594U
JPS6214594U JP10477785U JP10477785U JPS6214594U JP S6214594 U JPS6214594 U JP S6214594U JP 10477785 U JP10477785 U JP 10477785U JP 10477785 U JP10477785 U JP 10477785U JP S6214594 U JPS6214594 U JP S6214594U
Authority
JP
Japan
Prior art keywords
fire
lines
pair
receiver
parallel circuit
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
Application number
JP10477785U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP10477785U priority Critical patent/JPS6214594U/ja
Publication of JPS6214594U publication Critical patent/JPS6214594U/ja
Pending legal-status Critical Current

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  • Fire Alarms (AREA)

Description

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

図面はこの考案の火災警報装置の一実施例を示
すブロツク回路図である。 ＲＣ…受信機、ＤＥ１〜ｎ…火災感知器、Ｌ，
Ｃ…線路、Ｒ１〜ｎ…抵抗、Ｄ１〜ｎ…定電圧素
子、ＲＦ…火災リレー、Ｅ…電源、ＶＳＩ…電圧
識別表示回路。 The drawing is a block circuit diagram showing one embodiment of the fire alarm system of this invention. RC...Receiver, DE1~n...Fire detector, L,
C... Line, R1-n... Resistor, D1-n... Constant voltage element, RF... Fire relay, E... Power supply, VSI... Voltage identification display circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 火災受信機と、該火災受信機から警戒区域に伸
びた一対の線路と、該一対の線路間に並列接続さ
れた複数の火災感知器とから構成され、上記火災
感知器は動作時に上記一対の線路間を低インピー
ダンスで短絡し、上記火災受信機は上記火災感知
器の動作電流を検出して火災警報表示を行なう火
災警報装置において、定電圧素子と抵抗とから成
る並列回路と、隣接した上記火災感知器間の上記
線路に上記並列回路を挿入し、上記火災受信機に
は上記一対の線路間の電圧から動作した上記火災
感知器を識別する電圧識別表示回路とを具備した
ことを特徴とする火災警報装置。 It consists of a fire receiver, a pair of lines extending from the fire receiver to a warning area, and a plurality of fire detectors connected in parallel between the pair of lines, and the fire detector In a fire alarm system in which the lines are short-circuited with low impedance, the fire receiver detects the operating current of the fire detector and displays a fire alarm, and includes a parallel circuit consisting of a constant voltage element and a resistor, and a parallel circuit consisting of a constant voltage element and a resistor. The parallel circuit is inserted into the line between the fire detectors, and the fire receiver is equipped with a voltage identification display circuit that identifies the fire detector operated from the voltage between the pair of lines. fire alarm system.
JP10477785U 1985-07-11 1985-07-11 Pending JPS6214594U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10477785U JPS6214594U (en) 1985-07-11 1985-07-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10477785U JPS6214594U (en) 1985-07-11 1985-07-11

Publications (1)

Publication Number Publication Date
JPS6214594U true JPS6214594U (en) 1987-01-28

Family

ID=30978587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10477785U Pending JPS6214594U (en) 1985-07-11 1985-07-11

Country Status (1)

Country Link
JP (1) JPS6214594U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS531000A (en) * 1976-06-25 1978-01-07 Hitachi Ltd Automatic fire alarm
JPS5334500A (en) * 1976-09-10 1978-03-31 Matsushita Electric Works Ltd Sensor operation test circuit for fire alarm
JPS542699A (en) * 1977-06-08 1979-01-10 Hitachi Ltd Automatic individual fire alarm

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS531000A (en) * 1976-06-25 1978-01-07 Hitachi Ltd Automatic fire alarm
JPS5334500A (en) * 1976-09-10 1978-03-31 Matsushita Electric Works Ltd Sensor operation test circuit for fire alarm
JPS542699A (en) * 1977-06-08 1979-01-10 Hitachi Ltd Automatic individual fire alarm

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