JPS63192896U - - Google Patents
Info
- Publication number
- JPS63192896U JPS63192896U JP7878787U JP7878787U JPS63192896U JP S63192896 U JPS63192896 U JP S63192896U JP 7878787 U JP7878787 U JP 7878787U JP 7878787 U JP7878787 U JP 7878787U JP S63192896 U JPS63192896 U JP S63192896U
- Authority
- JP
- Japan
- Prior art keywords
- outputs
- averaging
- logical sum
- comparison
- phenomenon
- 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
- 238000012935 Averaging Methods 0.000 claims description 6
- 230000005856 abnormality Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 claims description 2
- -1 heat Substances 0.000 claims 1
- 238000005070 sampling Methods 0.000 claims 1
- 239000000779 smoke Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は、この考案の環境異常検出装置の一実
施例を示すブロツク図、第２図、第３図は、同装
置の動作を説明するためのタイミングチヤートで
ある。
１……検出器、２―０〜２―ｎ……平均化回路
、３―１〜３―ｎ……演算回路、４―１〜４―ｎ
……比較器、５……オア回路、６……警報器。
FIG. 1 is a block diagram showing one embodiment of the environmental abnormality detection device of this invention, and FIGS. 2 and 3 are timing charts for explaining the operation of the device. 1...Detector, 2-0 to 2-n...Averaging circuit, 3-1 to 3-n...Arithmetic circuit, 4-1 to 4-n
... Comparator, 5 ... OR circuit, 6 ... Alarm.
Claims (1)
ログ量を示す電気信号を出力する検出器と、該検
出器の出力を異なつたサンプル期間によりそれぞ
れ平均化する複数の平均化手段と、上記検出器の
出力を上記現象を示す時間より長くとつたサンプ
ル期間により平均化する基準用平均化手段と、上
記複数の平均化手段に基づくそれぞれの平均値と
上記基準用平均化手段に基づく平均値との差を出
力する複数の演算手段と、上記サンプル期間が短
くなるにしたがつて高い比較値と上記複数の演算
手段の出力とそれぞれ比較する複数の比較手段と
、該複数の比較手段の出力の論理和を取る論理和
手段と、該論理和手段の出力により駆動される警
報手段とを具備したことを特徴とする環境異常検
出装置。 a detector that detects a phenomenon such as smoke, heat, gas, etc. and outputs an electrical signal indicating an analog amount of the phenomenon; a plurality of averaging means that respectively average the outputs of the detector over different sample periods; a reference averaging means for averaging the output of the detector over a sampling period longer than the time in which the above-mentioned phenomenon occurs; each average value based on the plurality of averaging means; and the average value based on the reference averaging means. a plurality of calculation means for outputting the difference between the two, a plurality of comparison means for respectively comparing the outputs of the plurality of calculation means with comparison values that increase as the sample period becomes shorter, and outputs of the plurality of comparison means. An environmental abnormality detection device comprising: a logical sum means for calculating the logical sum; and an alarm means driven by the output of the logical sum means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7878787U JPH054079Y2 (en) | 1987-05-27 | 1987-05-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7878787U JPH054079Y2 (en) | 1987-05-27 | 1987-05-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63192896U true JPS63192896U (en) | 1988-12-12 |
| JPH054079Y2 JPH054079Y2 (en) | 1993-02-01 |
Family
ID=30928047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7878787U Expired - Lifetime JPH054079Y2 (en) | 1987-05-27 | 1987-05-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH054079Y2 (en) |
-
1987
- 1987-05-27 JP JP7878787U patent/JPH054079Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH054079Y2 (en) | 1993-02-01 |
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