JPS627049U

JPS627049U -

Info

Publication number: JPS627049U
Application number: JP9740885U
Authority: JP
Priority date: 1985-06-28
Filing date: 1985-06-28
Publication date: 1987-01-16

Description

[Brief explanation of the drawing]

第１図は本考案に係る警報器の実施例を示すブ
ロツク図、第２図は第１図における間欠時間設定
回路の具体的構成を示す図、第３図ａ，ｂはそれ
ぞれ第２図における入力信号と出力信号の波形図
、第４図は第１図における音声発生回路の具体的
構成を示す図、第５図は第２図及び第４図におけ
る間欠時間設定回路と音声発生回路とを接続した
具体的構成を示す図、第６図ａ，ｂはそれぞれ第
５図における出力信号と音声出力信号の波形図、
第７図は本考案に係る警報器の他の実施例を示す
図、第８図は第７図における間欠時間とガス濃度
との特性を示す図、第９図は従来の警報器を示す
ブロツク図である。２…ガス漏れ検出回路、３…音声発生回路、４
…間欠時間設定回路、５…ガスセンサ、６…セン
サ出力回路。 FIG. 1 is a block diagram showing an embodiment of the alarm according to the present invention, FIG. 2 is a diagram showing a specific configuration of the intermittent time setting circuit in FIG. 1, and FIGS. A waveform diagram of an input signal and an output signal, FIG. 4 is a diagram showing a specific configuration of the sound generation circuit in FIG. 1, and FIG. 5 is a diagram showing the intermittent time setting circuit and sound generation circuit in FIGS. 2 and 4. Figures 6a and 6b are waveform diagrams of the output signal and audio output signal in Figure 5, respectively, showing a specific connected configuration.
FIG. 7 is a diagram showing another embodiment of the alarm device according to the present invention, FIG. 8 is a diagram showing the characteristics of the intermittent time and gas concentration in FIG. 7, and FIG. 9 is a block diagram showing a conventional alarm device. It is a diagram. 2... Gas leak detection circuit, 3... Sound generation circuit, 4
...Intermittent time setting circuit, 5...Gas sensor, 6...Sensor output circuit.

Claims

[Scope of utility model registration request]

A sound generating gas alarm device which detects a gas leak by a detection means and drives a sound generating means to issue an audible alarm, the sound generating means being configured to be driven intermittently to generate a sound intermittently. A sound-generating gas leak alarm device characterized by: