JPS5828387U - Gas leak signal repeater - Google Patents
Gas leak signal repeaterInfo
- Publication number
- JPS5828387U JPS5828387U JP12188281U JP12188281U JPS5828387U JP S5828387 U JPS5828387 U JP S5828387U JP 12188281 U JP12188281 U JP 12188281U JP 12188281 U JP12188281 U JP 12188281U JP S5828387 U JPS5828387 U JP S5828387U
- Authority
- JP
- Japan
- Prior art keywords
- switch circuit
- circuit
- natural frequency
- voltage
- turns
- 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
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
図は本考案の一実施例を示す一部ブロック図を含む回路
図である。
図において、１・・・固有周波数発振器、２・・・監視
母線、３・・・矩形波発振器、４・・・ゲート回路、５
・・・ −トラブル検出線、Ｌ、 Ｃ，Ｐ１〜Ｐｒ・
・・端子、Ｒ□〜Ｒ１３・・・抵抗、Ｃ□、Ｃ２・・・
コンデンサ、Ｔ１〜Ｔ６・・・トランジスタ、ＺＤ・・
・ツェナーダイオード、Ｄ１〜Ｄ３・・・ダイオード。The figure is a circuit diagram including a partial block diagram showing an embodiment of the present invention. In the figure, 1... Natural frequency oscillator, 2... Monitoring bus, 3... Rectangular wave oscillator, 4... Gate circuit, 5
... -Trouble detection line, L, C, P1~Pr・
...terminal, R□~R13...resistance, C□, C2...
Capacitor, T1-T6...Transistor, ZD...
・Zener diode, D1-D3...diode.
Claims (1)
波数発振器の出力を中継線に送出する送出回路と、該送
出回路を断続的にオンオフさせる矩形波発振器と、該矩
形波発振器の出力を前記送出回路に接続するゲート回路
と、一定の第１電圧によってオンし前記固有周波数発振
器を動作可能にする第１スイッチ回路と、前記第１電圧
より高い第２電圧によってオンし、前記ゲート回路を開
かせる第２スイッチ回路と、ガス感知器に接続された複
数の入力端子のうちいずれか１つが無電圧になるとオン
し前記第１スイッチ回路をオフさせる第３スイッチ回路
と、前記第２スイッチ回路が動作したとき上記第３スイ
ッチ回路を強制的にオフさせる手段とを備えたことを特
徴とするガス洩れ信号中継器。A natural frequency oscillator that oscillates a natural frequency, a sending circuit that sends the output of the natural frequency oscillator to a relay line, a square wave oscillator that turns on and off the sending circuit intermittently, and a square wave oscillator that sends the output of the square wave oscillator to the relay line. a gate circuit connected to the circuit; a first switch circuit that is turned on by a constant first voltage to enable the natural frequency oscillator; and a first switch circuit that is turned on by a second voltage higher than the first voltage to open the gate circuit. A second switch circuit, a third switch circuit that turns on when any one of the plurality of input terminals connected to the gas sensor becomes non-voltage and turns off the first switch circuit, and the second switch circuit operates. A gas leak signal repeater comprising means for forcibly turning off the third switch circuit when the above occurs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12188281U JPS5828387U (en) | 1981-08-19 | 1981-08-19 | Gas leak signal repeater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12188281U JPS5828387U (en) | 1981-08-19 | 1981-08-19 | Gas leak signal repeater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5828387U true JPS5828387U (en) | 1983-02-23 |
| JPS6327277Y2 JPS6327277Y2 (en) | 1988-07-22 |
Family
ID=29915820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12188281U Granted JPS5828387U (en) | 1981-08-19 | 1981-08-19 | Gas leak signal repeater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5828387U (en) |
-
1981
- 1981-08-19 JP JP12188281U patent/JPS5828387U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6327277Y2 (en) | 1988-07-22 |
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