JPS6057895U - Gas leak alarm device - Google Patents
Gas leak alarm deviceInfo
- Publication number
- JPS6057895U JPS6057895U JP14961683U JP14961683U JPS6057895U JP S6057895 U JPS6057895 U JP S6057895U JP 14961683 U JP14961683 U JP 14961683U JP 14961683 U JP14961683 U JP 14961683U JP S6057895 U JPS6057895 U JP S6057895U
- Authority
- JP
- Japan
- Prior art keywords
- voltage drop
- transistor
- resistor
- comparator
- generates
- 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
- 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
第１図、第２図はガス検知素子１の異る実施例の構成説
明図、第３図、第４図は本考案装置の異る実施例の回路
結線図である。
図で１はガス検知素子、１ａはヒータ線、１ｃは金属酸
化物半導体、ｌｄｌ、１ｄ２は電極、Ｃ０Ｍ１．Ｃ０Ｍ
２は比較器、ＬＥＤ□は警報表示灯、ＬＥＤ２は故障表
示灯、Ｑｔｔ Ｑ２． Ｑ３． Ｑ、はトランジスタ、
Ｒ１−Ｒ６は抵抗。1 and 2 are configuration explanatory diagrams of different embodiments of the gas detection element 1, and FIGS. 3 and 4 are circuit connection diagrams of different embodiments of the device of the present invention. In the figure, 1 is a gas detection element, 1a is a heater wire, 1c is a metal oxide semiconductor, ldl, 1d2 are electrodes, C0M1. C0M
2 is a comparator, LED□ is a warning indicator light, LED2 is a failure indicator light, Qtt Q2. Q3. Q is a transistor,
R1-R6 are resistors.
Claims (4)
間の金属酸化物半導体にガスの吸着による導電度或は抵
抗値の変化をもたらすことにより検出するタイプのガス
検知素子を用いて警報装置と組合せてガス漏れを検出警
報する場合において、前記ガス検知素子のヒータ線に流
れる電流により電圧降下を発生する抵抗を利用して比較
器を介し或は介さないで直接オンオフする第１のトラン
ジスタと、前記ガス検知素子の両電極部を介して金属酸
化物半導体に流れる電流により電圧降下を発生する抵抗
を利用して、前記比較器を介し或は介さないで直接オン
オフする前記第１ 、ｌｊは第２のトランジスタとを備
え、前記ε、１す１のトランジスタ或は前記第１及び第
２の両トランジスタにより故障信号を発するようにした
ことを特徴とするガス漏れ警報装置。(1) Using a type of gas detection element that detects by constantly applying electricity to the heater wire to heat the element and causing a change in conductivity or resistance value due to adsorption of gas to the metal oxide semiconductor between the electrodes. When a gas leak is detected and alarmed in combination with an alarm device, the first sensor is turned on and off directly with or without a comparator using a resistor that generates a voltage drop due to the current flowing through the heater wire of the gas detection element. The first element is directly turned on and off with or without the comparator by using a transistor and a resistor that generates a voltage drop due to a current flowing through the metal oxide semiconductor through both electrodes of the gas sensing element. 1j is a second transistor, and the failure signal is generated by the transistor ε, 1 and 1 or both the first and second transistors.
抵抗を利用し、且つ第１のトランジスタに比較器を介す
る場合には、前記抵抗に発生する電圧降下をもって第４
のトランジスタをオンオフして前記比較器の＋側入力端
子に与えて同じく一側入力端子に与える電圧より高くな
ることにより、「１１記比較器の出力をとりだして前言
へ等１のトランジスタをオンして故障信号を出力する実
用新案登録請求の範囲第１項記載のガス漏れ讐報装行。(2) When a resistor that generates a voltage drop due to the current flowing through the heater wire is used and a comparator is connected to the first transistor, the voltage drop generated across the resistor is used as the fourth transistor.
By turning on and off the transistor No. 11 and applying it to the + side input terminal of the comparator, the voltage becomes higher than the voltage applied to the one side input terminal. A gas leak alarm system according to Claim 1 of the Utility Model Registration Claim, which outputs a failure signal.
電流により電圧降下を発生する抵抗を利用し且つ第１の
トランジスタに比較器を介する場合には、前記抵抗に発
生する電圧降下をもって前記比較器の一側入力端子に与
えて同じく＋側入力端子に与える電圧より低くなること
により、前記比較器の出力をとりだして前記第１のトラ
ンジスタをオンして故障信号を出力する実用新案登録請
求の範囲第１項記載のガス漏れ警報装置。(3) Flows into the metal oxide semiconductor through both electrodes.
If a resistor that generates a voltage drop due to current is used and a comparator is connected to the first transistor, the voltage drop generated in the resistor is applied to one input terminal of the comparator and is also applied to the + input terminal. 2. The gas leak alarm device according to claim 1, which is a registered utility model, wherein when the voltage becomes lower than the applied voltage, the output of the comparator is taken out and the first transistor is turned on to output a failure signal.
抵抗と両電極部を介して金属酸化物半導体に流れる電流
により電圧降下を発生する抵抗を利用して直列接続せる
第１、第２のトランジスタの各ベースに夫々の電圧降下
を与えてこれ等をオンオフし、更に前記第１、第２のト
ランジスタの直列接続に並列に故障表示灯を接続し同時
のオフで故障表示灯を点灯する実用新案登録請求の範囲
第１項記載のガス漏れ警報装置。(4) First and second transistors connected in series using a resistor that generates a voltage drop due to the current flowing through the heater wire and a resistor that generates a voltage drop due to the current flowing through the metal oxide semiconductor via both electrodes. A utility model in which a voltage drop is applied to each base to turn them on and off, and a failure indicator light is connected in parallel to the series connection of the first and second transistors, and the failure indicator light is turned on when the transistors are turned off at the same time. A gas leak alarm device according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14961683U JPS6057895U (en) | 1983-09-29 | 1983-09-29 | Gas leak alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14961683U JPS6057895U (en) | 1983-09-29 | 1983-09-29 | Gas leak alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6057895U true JPS6057895U (en) | 1985-04-22 |
Family
ID=30332068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14961683U Pending JPS6057895U (en) | 1983-09-29 | 1983-09-29 | Gas leak alarm device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6057895U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5522607B1 (en) * | 1971-05-26 | 1980-06-18 | ||
| JPS561297B2 (en) * | 1972-03-23 | 1981-01-13 | ||
| JPS5654597A (en) * | 1979-10-09 | 1981-05-14 | Koden Electronics Co Ltd | Ultrasonic signal transmission*receival device |
-
1983
- 1983-09-29 JP JP14961683U patent/JPS6057895U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5522607B1 (en) * | 1971-05-26 | 1980-06-18 | ||
| JPS561297B2 (en) * | 1972-03-23 | 1981-01-13 | ||
| JPS5654597A (en) * | 1979-10-09 | 1981-05-14 | Koden Electronics Co Ltd | Ultrasonic signal transmission*receival device |
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