JPS6170294U - - Google Patents
Info
- Publication number
- JPS6170294U JPS6170294U JP15524084U JP15524084U JPS6170294U JP S6170294 U JPS6170294 U JP S6170294U JP 15524084 U JP15524084 U JP 15524084U JP 15524084 U JP15524084 U JP 15524084U JP S6170294 U JPS6170294 U JP S6170294U
- Authority
- JP
- Japan
- Prior art keywords
- section
- cut
- fire
- power supply
- control unit
- 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 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Fire Alarms (AREA)
Description
第１図は本考案の一実施例を示した回路図、第
２図は本考案の全体構成図、第３図は各部の信号
波形図である。
１：受信機、２：火災感知器、Ｌ１，Ｌ２：電
源兼用信号線、４：電源部、５：信号発生部、６
：検出部、７：制御部、８：警報部、Ｒ１，Ｒ２
，Ｒ３：抵抗、Ｑ１，Ｑ２，Ｑ３，Ｑ４：トラン
ジスタ、ＺＤ１，ＺＤ２：ツエナダイオード。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is an overall configuration diagram of the present invention, and FIG. 3 is a signal waveform diagram of each part. 1: Receiver, 2: Fire detector, L1, L2: Power supply signal line, 4: Power supply section, 5: Signal generation section, 6
: Detection part, 7: Control part, 8: Alarm part, R1, R2
, R3: Resistor, Q1, Q2, Q3, Q4: Transistor, ZD1, ZD2: Zener diode.
Claims (1)
用信号線間に、複数の火災感知器を接続し、該火
災感知器からの返送電流を検出部で検出し、該検
出部からの検出情報に基づいて情報内容を制御部
で監視し、該制御部が火災状態であることを判別
したときに火災を警報する火災警報装置において
、 前記受信機に前記制御部が短絡障害状態である
ことを判別したときに遮断信号を出力する電源遮
断部と、該電源遮断部からの遮断信号に基づいた
スイツチング動作で前記電源部を間歇駆動するス
イツチング手段とを設け、短絡障害時に状態変化
を間歇的に監視するようにしたことを特徴とする
火災警報装置。[Scope of Claim for Utility Model Registration] A plurality of fire detectors are connected between a pair of power supply/signal lines drawn out from the power supply section of the receiver, and the return current from the fire detectors is detected by the detection section, In a fire alarm device that monitors information content in a control unit based on detection information from the detection unit and issues a fire alarm when the control unit determines that there is a fire condition, the receiver includes the control unit. A power cut-off section that outputs a cut-off signal when determining that a short-circuit fault condition exists, and a switching means that drives the power supply section intermittently by a switching operation based on the cut-off signal from the power cut-off section are provided. A fire alarm device characterized in that it monitors state changes intermittently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984155240U JPH0353348Y2 (en) | 1984-10-15 | 1984-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984155240U JPH0353348Y2 (en) | 1984-10-15 | 1984-10-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6170294U true JPS6170294U (en) | 1986-05-14 |
| JPH0353348Y2 JPH0353348Y2 (en) | 1991-11-21 |
Family
ID=30713235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984155240U Expired JPH0353348Y2 (en) | 1984-10-15 | 1984-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0353348Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5062599A (en) * | 1973-10-03 | 1975-05-28 |
-
1984
- 1984-10-15 JP JP1984155240U patent/JPH0353348Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5062599A (en) * | 1973-10-03 | 1975-05-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0353348Y2 (en) | 1991-11-21 |
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