JPS5839697U - gas leak alarm - Google Patents

gas leak alarm

Info

Publication number
JPS5839697U
JPS5839697U JP13208681U JP13208681U JPS5839697U JP S5839697 U JPS5839697 U JP S5839697U JP 13208681 U JP13208681 U JP 13208681U JP 13208681 U JP13208681 U JP 13208681U JP S5839697 U JPS5839697 U JP S5839697U
Authority
JP
Japan
Prior art keywords
circuit
buzzer
initial
gas
output
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
Application number
JP13208681U
Other languages
Japanese (ja)
Other versions
JPS6349835Y2 (en
Inventor
泰 鈴木
Original Assignee
株式会社日立ホームテック
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社日立ホームテック filed Critical 株式会社日立ホームテック
Priority to JP13208681U priority Critical patent/JPS5839697U/en
Publication of JPS5839697U publication Critical patent/JPS5839697U/en
Application granted granted Critical
Publication of JPS6349835Y2 publication Critical patent/JPS6349835Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Emergency Alarm Devices (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

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本考案の一実施例を示すガス漏れ警報器の電気配
線図である。 A・・・ガス検知回路、B・・・警報遅延回路、C・・
・初期ブザー回避タイマー回路、D・・・パルス拓生回
路、2・・・ガス検知素子、34. 37・・・トラン
ジスタ(スイッチング素子)、35・・・ブザー。
The drawing is an electrical wiring diagram of a gas leak alarm showing an embodiment of the present invention. A...Gas detection circuit, B...Alarm delay circuit, C...
- Initial buzzer avoidance timer circuit, D... Pulse regeneration circuit, 2... Gas detection element, 34. 37...Transistor (switching element), 35...Buzzer.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ガス検知素子の抵抗変化によって生ガスを検知するガス
検知回路と警報遅延回路とコンデンサの充電時間による
初期ブザー回避タイマー回路とを設け、ガス検知回路の
出力を初期ブザー回避タイマー回路の出力とともに警報
遅延回路の入力に接続しかつ警報遅延回路の出力にスイ
ッチング素子を介してブザーを接続したガス漏れ警報器
において、交流電源の零ポルトを検出しパルス電圧を発
生するパルス発生回路りを設け、その出力を初期ブザー
回避タイマー回路Cの入力と警報遅延回路Bの入力と、
スイッチング素子例えばトランジスタ34を制御するス
イッチング素子例えばトランジスタ37に各々接続し、
初期ブザー回避タイマー回路Cのコンデンサ24の容量
を低減するとともにガス検知素子2の生ガスの検知によ
ってブザー35を断続的に鳴らすことを特徴とするガス
漏れ警報器。
A gas detection circuit that detects raw gas by the resistance change of the gas detection element, an alarm delay circuit, and an initial buzzer avoidance timer circuit based on the capacitor charging time are provided, and the output of the gas detection circuit is used together with the output of the initial buzzer avoidance timer circuit to delay the alarm. In a gas leak alarm device in which a buzzer is connected to the input of the circuit and the output of the alarm delay circuit is connected via a switching element, a pulse generation circuit is provided to detect the zero port of the AC power supply and generate a pulse voltage, and the output the input of the initial buzzer avoidance timer circuit C and the input of the alarm delay circuit B,
each connected to a switching element such as a transistor 37 that controls a switching element such as a transistor 34;
A gas leak alarm device characterized in that the capacitance of a capacitor 24 of an initial buzzer avoidance timer circuit C is reduced and a buzzer 35 is intermittently sounded by detecting raw gas by a gas detection element 2.
JP13208681U 1981-09-05 1981-09-05 gas leak alarm Granted JPS5839697U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13208681U JPS5839697U (en) 1981-09-05 1981-09-05 gas leak alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13208681U JPS5839697U (en) 1981-09-05 1981-09-05 gas leak alarm

Publications (2)

Publication Number Publication Date
JPS5839697U true JPS5839697U (en) 1983-03-15
JPS6349835Y2 JPS6349835Y2 (en) 1988-12-21

Family

ID=29925631

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13208681U Granted JPS5839697U (en) 1981-09-05 1981-09-05 gas leak alarm

Country Status (1)

Country Link
JP (1) JPS5839697U (en)

Also Published As

Publication number Publication date
JPS6349835Y2 (en) 1988-12-21

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