JPS59187888U - fire alarm device - Google Patents
fire alarm deviceInfo
- Publication number
- JPS59187888U JPS59187888U JP7946883U JP7946883U JPS59187888U JP S59187888 U JPS59187888 U JP S59187888U JP 7946883 U JP7946883 U JP 7946883U JP 7946883 U JP7946883 U JP 7946883U JP S59187888 U JPS59187888 U JP S59187888U
- Authority
- JP
- Japan
- Prior art keywords
- reference value
- barometric pressure
- fire
- alarm
- alarm device
- 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
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図は本考案の一実施例を示したブロック図、第２図
は気圧Ｐの変化に対する煙感知器の出力変化を示したグ
ラフ図、第３図は補正係数メモリに記憶される補正係数
データの一例を示した説明図、第４図は第１図の実施例
による火災判別処理を示したフローチャート図、第５図
は基準値Ｓｏを一定とした時の気圧Ｐ←対する発報値Ｓ
ｐの変化を示したタイムチャート図である。
１：受信機、２：煙感知器、３：気圧センサ、４：Ａ／
Ｄ変換器、５：受信処理部、６：煙データメモリ、７：
気圧データメモリ、８：補正係数メモリ、９：基準加算
値設定回路、１０：発報値Ｓｐ演算回路、１１：比較回
路、１２：インタフェース、１３：火災表示部。
幼 第２図
ホ
第３図Fig. 1 is a block diagram showing an embodiment of the present invention, Fig. 2 is a graph showing changes in the output of a smoke detector with respect to changes in atmospheric pressure P, and Fig. 3 is a correction coefficient stored in the correction coefficient memory. An explanatory diagram showing an example of data, Fig. 4 is a flowchart showing the fire discrimination process according to the embodiment of Fig. 1, and Fig. 5 is an alarm value S for atmospheric pressure P← when the reference value So is constant.
FIG. 3 is a time chart diagram showing changes in p. 1: Receiver, 2: Smoke detector, 3: Barometric pressure sensor, 4: A/
D converter, 5: Reception processing section, 6: Smoke data memory, 7:
Atmospheric pressure data memory, 8: Correction coefficient memory, 9: Reference addition value setting circuit, 10: Alarm value Sp calculation circuit, 11: Comparison circuit, 12: Interface, 13: Fire display unit. Child Figure 2 E Figure 3
Claims (1)
出して発報基準値を演算し、前記火災検出データを該発
報基準値と比較して火災を判別するアナログ火災報知装
置において、 気圧を検出する気圧検出器と、該気圧検出器で検出した
気圧に応じて前記発報基準値を一定周期毎に補正する基
準値補正手段とを備えたことを特徴とするアナログ火災
警報装置。[Scope of Claim for Utility Model Registration] Detection data from an analog fire detector is detected at predetermined intervals to calculate an alarm reference value, and the fire detection data is compared with the alarm reference value to determine a fire. An analog fire alarm device, characterized in that it includes a barometric pressure detector that detects barometric pressure, and a reference value correction means that corrects the alarm reference value at regular intervals according to the barometric pressure detected by the barometric pressure detector. analog fire alarm system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7946883U JPS59187888U (en) | 1983-05-26 | 1983-05-26 | fire alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7946883U JPS59187888U (en) | 1983-05-26 | 1983-05-26 | fire alarm device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59187888U true JPS59187888U (en) | 1984-12-13 |
| JPH0237099Y2 JPH0237099Y2 (en) | 1990-10-08 |
Family
ID=30209471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7946883U Granted JPS59187888U (en) | 1983-05-26 | 1983-05-26 | fire alarm device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59187888U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54144899A (en) * | 1978-05-04 | 1979-11-12 | Hochiki Co | Device for monitoring physically variable amount |
| JPS5737272U (en) * | 1980-08-11 | 1982-02-27 |
-
1983
- 1983-05-26 JP JP7946883U patent/JPS59187888U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54144899A (en) * | 1978-05-04 | 1979-11-12 | Hochiki Co | Device for monitoring physically variable amount |
| JPS5737272U (en) * | 1980-08-11 | 1982-02-27 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0237099Y2 (en) | 1990-10-08 |
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