JPS6339798U - - Google Patents
Info
- Publication number
- JPS6339798U JPS6339798U JP13079786U JP13079786U JPS6339798U JP S6339798 U JPS6339798 U JP S6339798U JP 13079786 U JP13079786 U JP 13079786U JP 13079786 U JP13079786 U JP 13079786U JP S6339798 U JPS6339798 U JP S6339798U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- alarm
- outputs
- gas detection
- 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 6
- 230000004913 activation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
Description
第１図は本考案の基本的構成を示すブロツク線
図、第２図は第１図の各部の動作を示すタイムチ
ヤート、第３図は第１図の構成を具体的に示す回
路図、第４図は本考案の第２の実施例の構成例図
、第５図は本考案の更に他の実施例構成図、第６
図は第５図の各部の動作を示すタイムチヤート、
第７図〜第１１図はブザー鳴動時にレベル判別器
の基準電圧にリツプルが重畳した場合の解決手法
と、その動作説明図、第１２図はブザーの鳴動を
２段階にする場合のガス漏れ警報器の構成例図、
第１３図はその動作を説明するタイムチヤート、
第１４図、第１５図、第１６図はそれぞれ即時警
報即時発信型、遅延警報即時発信型、反限時警報
反限時発信型ガス漏れ警報器の基本的な動作の説
明図である。
（符号の説明）、１……ガス検知回路、３……
反限時回路、４……レベル判別回路、５……移報
信号出力回路、６……遅延回路、７……警報器駆
動回路。
Fig. 1 is a block diagram showing the basic configuration of the present invention, Fig. 2 is a time chart showing the operation of each part of Fig. 1, Fig. 3 is a circuit diagram specifically showing the configuration of Fig. 1, FIG. 4 is a diagram showing a configuration example of a second embodiment of the present invention, FIG. 5 is a diagram showing a configuration of still another embodiment of the present invention, and FIG.
The figure is a time chart showing the operation of each part in Figure 5.
Figures 7 to 11 show a method for solving the problem when a ripple is superimposed on the reference voltage of the level discriminator when the buzzer sounds, and an explanation of its operation. Figure 12 shows a gas leak alarm when the buzzer sounds in two stages. An example of the configuration of the vessel,
Figure 13 is a time chart explaining the operation.
FIGS. 14, 15, and 16 are explanatory diagrams of the basic operations of the immediate alarm type, the delayed alarm immediate type, and the counter-time alarm type gas leak alarm, respectively. (Explanation of symbols), 1... Gas detection circuit, 3...
Inverse time limit circuit, 4...Level discrimination circuit, 5...Transfer signal output circuit, 6...Delay circuit, 7...Alarm drive circuit.
Claims (1)
知信号を出力するガス検知回路と、このガス検知
回路からのガス検知信号が所定のレベルに達した
時に作動され、時間の経過につれて減衰する反限
時信号を出力する反限時回路と、この反限時回路
の出力信号と上記ガス検知回路の出力信号を比較
し、両者の信号レベルが一致した時点で作動信号
を出力するレベル判別回路と、このレベル判別回
路の作動信号により駆動されて移報信号を出力す
る移報信号出力回路と、上記レベル判別回路の作
動信号により作動されて予め設定された遅延時間
の後に警報器の駆動信号を出力する遅延回路と、
この遅延回路の駆動信号により駆動される警報器
を含んだ警報器駆動回路とを備えたことを特徴と
するガス漏れ警報器。 (2) 上記移報信号出力回路の作動時と、上記警
報器駆動回路の各々の作動時に駆動される警報器
の警報音を異ならせた構成にした実用新案登録請
求の範囲第(1)項記載のガス漏れ警報器。[Claims for Utility Model Registration] (1) A gas detection circuit that outputs a gas detection signal that increases according to the detected gas concentration, and that is activated when the gas detection signal from this gas detection circuit reaches a predetermined level. , an anti-time circuit that outputs an anti-time signal that attenuates over time; the output signal of this anti-time circuit is compared with the output signal of the gas detection circuit, and an activation signal is output when the signal levels of both match. a shift signal output circuit that is driven by the activation signal of this level discrimination circuit and outputs a shift signal; and a shift signal output circuit that is activated by the operation signal of the level discrimination circuit and outputs an alarm after a preset delay time. a delay circuit that outputs a drive signal for the device;
A gas leak alarm comprising: an alarm drive circuit including an alarm driven by the drive signal of the delay circuit. (2) Scope of Utility Model Registration Claim (1), wherein the alarm sound of the alarm device driven is different when the above-mentioned transfer signal output circuit is activated and when each of the above-mentioned alarm device drive circuits is activated. Gas leak alarm as described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986130797U JPH0755677Y2 (en) | 1986-08-26 | 1986-08-26 | Gas leak alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986130797U JPH0755677Y2 (en) | 1986-08-26 | 1986-08-26 | Gas leak alarm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6339798U true JPS6339798U (en) | 1988-03-15 |
| JPH0755677Y2 JPH0755677Y2 (en) | 1995-12-20 |
Family
ID=31028644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986130797U Expired - Lifetime JPH0755677Y2 (en) | 1986-08-26 | 1986-08-26 | Gas leak alarm |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0755677Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5810188U (en) * | 1981-07-06 | 1983-01-22 | 矢崎総業株式会社 | gas leak alarm |
| JPS6117038A (en) * | 1984-07-02 | 1986-01-25 | Hitachi Zosen Corp | Trunnion load tester of cask |
-
1986
- 1986-08-26 JP JP1986130797U patent/JPH0755677Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5810188U (en) * | 1981-07-06 | 1983-01-22 | 矢崎総業株式会社 | gas leak alarm |
| JPS6117038A (en) * | 1984-07-02 | 1986-01-25 | Hitachi Zosen Corp | Trunnion load tester of cask |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0755677Y2 (en) | 1995-12-20 |
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