JPS6016293U - Fire detector automatic recovery circuit of fire alarm system - Google Patents
Fire detector automatic recovery circuit of fire alarm systemInfo
- Publication number
- JPS6016293U JPS6016293U JP10652583U JP10652583U JPS6016293U JP S6016293 U JPS6016293 U JP S6016293U JP 10652583 U JP10652583 U JP 10652583U JP 10652583 U JP10652583 U JP 10652583U JP S6016293 U JPS6016293 U JP S6016293U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- circuit
- output
- alarm system
- fire
- 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
Landscapes
- Alarm Systems (AREA)
- Fire Alarms (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、従来の火災感知器自動復旧回路を用いた火災
報知装置の回路図、第２図は、この考案による火災感知
器自動復旧回路の一実施例を用いた火災報知装置の回路
図である。
Ｒ・・・受信機、“Ｄ・・・火災感知器、ｌ・・・電源
供給兼信号線路、Ｑ工・・・検出回路としての第１トラ
ンジスタ、ＬＤ・・・表示器、Ｑ３・・・電源供給停止
回路としての第３トランジスタ、Ｋ・・・逆流防止回路
としてのグイオード、Ｑ４・・・側路回路としての第４
トランジスタ、ＰＧ・・・パルス発生器。
第２図 −
ｈＤ −
Ｎへ １
之ノ
Ｔｊ−”
Ｒ。Figure 1 is a circuit diagram of a fire alarm system using a conventional fire detector automatic recovery circuit, and Figure 2 is a circuit diagram of a fire alarm system using an embodiment of the fire detector automatic recovery circuit according to this invention. It is. R...Receiver, D...Fire detector, l...Power supply and signal line, Q construction...first transistor as a detection circuit, LD...indicator, Q3... 3rd transistor as a power supply stop circuit, K...Guiode as a backflow prevention circuit, Q4... 4th transistor as a bypass circuit
Transistor, PG...Pulse generator. Figure 2 - hD - To N 1 'Tj-''R.
Claims (1)
線路と、該各電源供給兼信号線路毎に設けられ、電源供
給兼信号線路を介して送られる火災感知器作動信号を検
出する複数の検出回路と、該検出回路の出力により駆動
される表示器とを具備した火災報知装置において、上記
各電源供給兼信号線路毎に設けられると共に、上記検出
回路の出力により駆動され、上記電源供給兼信号線路に
よる電源供給を停止させる電源供給停止回路と、上記各
検出回路の出力側に逆流防止回路を介して接続され、検
出回路の出力を上記電源供給停止回路に入力させること
なく側路する側路回路と、該側路回路を間欠駆動させる
パルス発生器とからなることを特徴とする火災報知装置
の火災感知器自動復旧回路。A plurality of power supply/signal lines extending from the receiver to the fire detector group, and a plurality of power supply/signal lines provided for each power supply/signal line to detect fire detector activation signals sent via the power supply/signal lines. In a fire alarm system equipped with a detection circuit and an indicator driven by the output of the detection circuit, the indicator is provided for each of the power supply and signal lines, and is driven by the output of the detection circuit, and the display device is driven by the output of the detection circuit. A power supply stop circuit that stops the power supply from the dual signal line and a backflow prevention circuit connected to the output side of each of the detection circuits described above, and bypasses the output of the detection circuit without inputting it to the power supply stop circuit. 1. A fire detector automatic recovery circuit for a fire alarm system, comprising a bypass circuit and a pulse generator that drives the bypass circuit intermittently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10652583U JPS6016293U (en) | 1983-07-11 | 1983-07-11 | Fire detector automatic recovery circuit of fire alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10652583U JPS6016293U (en) | 1983-07-11 | 1983-07-11 | Fire detector automatic recovery circuit of fire alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6016293U true JPS6016293U (en) | 1985-02-04 |
Family
ID=30249254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10652583U Pending JPS6016293U (en) | 1983-07-11 | 1983-07-11 | Fire detector automatic recovery circuit of fire alarm system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6016293U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS565198U (en) * | 1979-06-22 | 1981-01-17 | ||
| JPS5747474A (en) * | 1980-09-02 | 1982-03-18 | Terumo Corp | Sampling tool for testing anaerobe |
-
1983
- 1983-07-11 JP JP10652583U patent/JPS6016293U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS565198U (en) * | 1979-06-22 | 1981-01-17 | ||
| JPS5747474A (en) * | 1980-09-02 | 1982-03-18 | Terumo Corp | Sampling tool for testing anaerobe |
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