JPS6098055U - CO gas detection device - Google Patents
CO gas detection deviceInfo
- Publication number
- JPS6098055U JPS6098055U JP19199383U JP19199383U JPS6098055U JP S6098055 U JPS6098055 U JP S6098055U JP 19199383 U JP19199383 U JP 19199383U JP 19199383 U JP19199383 U JP 19199383U JP S6098055 U JPS6098055 U JP S6098055U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- concentration
- gas sensor
- gas
- timer
- 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
Landscapes
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (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図は実施例に用いたガスセンサの断面図、第２図は
実施例の回路のブ冶ツク図、第３図〜第６図は実施例の
部分回路図である。
２・・・センサユニット、４・・・ガスセンサ、６・・
・ヒータ、１０・・・フィルター、１２・・・ヒータコ
ントローラ、２０・・・センサ回路、３０・・・タイマ
、４０・・・リセット回路、５０・・・ディテクタユニ
ット、６０・・・アラームユニット、１Ｃ１，ＩＣ５・
・・カウンタ、１Ｃ１、・・・ゲート、ＩＣｌ３・・・
アップダウンカウンタ、ＦＦｌ、ＦＦ２．ＦＦ３・・・
フリップフロップ素子。
１ １３０ １１ン
１−１ぢＯお
−否一FIG. 1 is a sectional view of the gas sensor used in the example, FIG. 2 is a block diagram of the circuit of the example, and FIGS. 3 to 6 are partial circuit diagrams of the example. 2...Sensor unit, 4...Gas sensor, 6...
- Heater, 10... Filter, 12... Heater controller, 20... Sensor circuit, 30... Timer, 40... Reset circuit, 50... Detector unit, 60... Alarm unit, 1C1, IC5・
...Counter, 1C1, ...Gate, ICl3...
Up/down counter, FF1, FF2. FF3...
flip-flop element. 1 130 11n1-1jiOo-noichi
Claims (1)
ノ貴金属触媒を添加したガスセンサと、ガスセンサを加
熱するヒータと、ガスセンサに接触するガスからエタノ
ール蒸気とＮＯｘガスとを除去するための０．５〜５ｙ
の活性炭からなるフィルターとを備えたセンサユニット
と、 ２０〜１加秒間持続するハイ信号と、３０〜１８中間持
続するロウ信号とを交互に発し、ロウ信号を発する期間
内に、第１にゲート信号を、ついでサンプリング信号を
それぞれ発するタイマと、タイマのハイ信号とロウ信号
とに基づき前記センサユニットのヒータに高低２種の電
圧を印加し、ハイ信号時のガスセンサの加熱温度を２５
０〜４００’ Ｃとし、ロウ信号時のガスセンサの加熱
温度を６０〜１００°Ｃとするためのヒータコントロー
ラと、 タイマのゲート信号に基づき、ガスセンサの出力を入力
信号として取り出すゲートと、ゲートを介しての入力信
号に基づき、ＣＯ濃度が２０〜２５０ｐｐｍ以上である
時に信号１を、それ以下の濃度である時に信号０を発す
る低濃度用コンパレータ手段と、ＣＯ濃度が３００〜６
００ｐｐｍ以上である時に信号１を発する高濃度用コン
パレータ手段と、タイマのサンプリング信号に基づき、
低濃度用コンパレータ手段の信号１により加算され、信
号０により減算されるアップダウンカウンタとを有する
ディテクタユニットと、 ディテクタユニットの高濃度用コンパレータ手段の信号
１およびアップダウンカウンタの出力により動作するア
ラームユニットを有するＣＯガス検出装置。[Scope of utility model registration claim] SnO2 contains 1 to 15 mg of metal equivalent per 1J of 5nO2.
A gas sensor added with a noble metal catalyst, a heater that heats the gas sensor, and a 0.5 to 5 year heater for removing ethanol vapor and NOx gas from the gas that comes into contact with the gas sensor.
A sensor unit equipped with a filter made of activated carbon of A timer that emits a signal and then a sampling signal respectively, and high and low voltages are applied to the heater of the sensor unit based on the high signal and low signal of the timer, and the heating temperature of the gas sensor at the time of the high signal is set to 25.
0 to 400'C, and a heater controller to set the heating temperature of the gas sensor to 60 to 100°C during a low signal, a gate that takes out the output of the gas sensor as an input signal based on the timer gate signal, and a A comparator means for low concentration emits a signal 1 when the CO concentration is 20 to 250 ppm or more and a signal 0 when the concentration is lower than that, based on the input signal of 300 to 6 ppm.
Based on the high concentration comparator means that emits signal 1 when the concentration is 00 ppm or more, and the sampling signal of the timer,
A detector unit having an up/down counter that is added by a signal 1 of a low concentration comparator means and subtracted by a signal 0, and an alarm unit that is activated by a signal 1 of a high concentration comparator means of the detector unit and the output of the up/down counter. A CO gas detection device having
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19199383U JPS6098055U (en) | 1983-12-13 | 1983-12-13 | CO gas detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19199383U JPS6098055U (en) | 1983-12-13 | 1983-12-13 | CO gas detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6098055U true JPS6098055U (en) | 1985-07-04 |
| JPH0220683Y2 JPH0220683Y2 (en) | 1990-06-05 |
Family
ID=30413297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19199383U Granted JPS6098055U (en) | 1983-12-13 | 1983-12-13 | CO gas detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6098055U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009103541A (en) * | 2007-10-23 | 2009-05-14 | Fuji Electric Fa Components & Systems Co Ltd | Flammable gas detector |
| JP2015184201A (en) * | 2014-03-25 | 2015-10-22 | 新コスモス電機株式会社 | gas detector |
| JP2015230278A (en) * | 2014-06-06 | 2015-12-21 | 新コスモス電機株式会社 | Gas detector |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6303211B2 (en) * | 2013-09-27 | 2018-04-04 | 新コスモス電機株式会社 | Gas detector |
-
1983
- 1983-12-13 JP JP19199383U patent/JPS6098055U/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009103541A (en) * | 2007-10-23 | 2009-05-14 | Fuji Electric Fa Components & Systems Co Ltd | Flammable gas detector |
| JP2015184201A (en) * | 2014-03-25 | 2015-10-22 | 新コスモス電機株式会社 | gas detector |
| JP2015230278A (en) * | 2014-06-06 | 2015-12-21 | 新コスモス電機株式会社 | Gas detector |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0220683Y2 (en) | 1990-06-05 |
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