JPS58105692U - city gas alarm - Google Patents
city gas alarmInfo
- Publication number
- JPS58105692U JPS58105692U JP23082U JP23082U JPS58105692U JP S58105692 U JPS58105692 U JP S58105692U JP 23082 U JP23082 U JP 23082U JP 23082 U JP23082 U JP 23082U JP S58105692 U JPS58105692 U JP S58105692U
- Authority
- JP
- Japan
- Prior art keywords
- detection circuit
- alarm signal
- city gas
- alarm
- gas alarm
- 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.)
- Pending
Links
Landscapes
- Examining Or Testing Airtightness (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
第１図は本考案の一実施例の都市ガス警報器の回路構成
図、第２図は都市ガス警報器の据付は状態を説明する図
である。
１・・・電源部、２・・・負荷抵抗、３．９・・・ガス
センサ、４，１０・・・警報信号出力比較器、５・・・
遅延回路、６・・・警報出力回路、７・・・外部警報出
力回路、８・・・センサ警報判別回路、１１・・・本体
検出回路、１２・・・本体警報器、１３・・・副検出回
路。FIG. 1 is a circuit diagram of a city gas alarm according to an embodiment of the present invention, and FIG. 2 is a diagram illustrating the installation state of the city gas alarm. DESCRIPTION OF SYMBOLS 1... Power supply part, 2... Load resistance, 3.9... Gas sensor, 4, 10... Alarm signal output comparator, 5...
Delay circuit, 6... Alarm output circuit, 7... External alarm output circuit, 8... Sensor alarm discrimination circuit, 11... Main unit detection circuit, 12... Main unit alarm, 13... Sub. detection circuit.
Claims (1)
警報信号を発生する第１の検出回路と第２の検出回路を
設け、第２の検出回路の警報信号の発生濃度を第１の検
出回路よりも低く設け、第１の検出回路と第２の検出回
路は離れて設置可能に設け、警報信号が所定時間継続し
た場合に警報信号を出力する遅延回路を第１の検出回路
の出力端子に設け、第２の検出回路及び遅延回路の両者
から警報信号が出力されているときに警報信号を出力す
るように設けたことを特徴とする都市ガス警報器。A first detection circuit and a second detection circuit each include a gas sensor and generate an alarm signal in response to a gas having a predetermined gas concentration or higher. The first detection circuit and the second detection circuit are provided so that they can be installed separately, and a delay circuit that outputs an alarm signal when the alarm signal continues for a predetermined time is connected to the output terminal of the first detection circuit. 1. A city gas alarm, characterized in that the alarm signal is output when the alarm signal is output from both the second detection circuit and the delay circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23082U JPS58105692U (en) | 1982-01-06 | 1982-01-06 | city gas alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23082U JPS58105692U (en) | 1982-01-06 | 1982-01-06 | city gas alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58105692U true JPS58105692U (en) | 1983-07-18 |
Family
ID=30013312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23082U Pending JPS58105692U (en) | 1982-01-06 | 1982-01-06 | city gas alarm |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58105692U (en) |
-
1982
- 1982-01-06 JP JP23082U patent/JPS58105692U/en active Pending
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