JPS6176350U - - Google Patents
Info
- Publication number
- JPS6176350U JPS6176350U JP16203084U JP16203084U JPS6176350U JP S6176350 U JPS6176350 U JP S6176350U JP 16203084 U JP16203084 U JP 16203084U JP 16203084 U JP16203084 U JP 16203084U JP S6176350 U JPS6176350 U JP S6176350U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- voltage
- time
- sensor
- abnormality detection
- 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
- 238000001514 detection method Methods 0.000 claims description 9
- 230000005856 abnormality Effects 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 4
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Regulation And Control Of Combustion (AREA)
Description
第1図は本考案の要部の概略説明図、第2図は
センサ素子の初期安定化時間の説明図、第3図は
本考案実施例の説明用回路図、第4,5図は半導
体式ガスセンサーの説明図であり、図中
1…異常検知回路、11…比較回路、11a…
第1コンパレータ、11b…第2コンパレータ、
13…第1基準電圧設定回路、2…タイマー、2
1a…常開出力接点、3…出力手段、31…警報
装置。
Fig. 1 is a schematic explanatory diagram of the main parts of the present invention, Fig. 2 is an explanatory diagram of the initial stabilization time of the sensor element, Fig. 3 is an explanatory circuit diagram of an embodiment of the present invention, and Figs. 4 and 5 are semiconductors. It is an explanatory diagram of a type gas sensor, and in the figure 1...abnormality detection circuit, 11...comparison circuit, 11a...
A first comparator, 11b... a second comparator,
13...First reference voltage setting circuit, 2...Timer, 2
1a... Normally open output contact, 3... Output means, 31... Alarm device.
Claims (1)
置において、比較用の基準電圧とセンサ素子間電
圧を比較回路11に入力させ前記センサ素子間電
圧が前記基準電圧以上の値にあるときに一定の出
力を生ずる異常検知回路1と、この異常検知手段
の検知時期又は出力時期を設定するタイマー2と
、前記異常検知回路の出力により作動する出力手
段3とからなり、前記タイマー2の設定時間をセ
ンサ素子への通電開始から初期安定化時間内にお
ける特定時期までの時間に設定するとともに、正
常なセンサ素子の前記特定時期におけるセンサ素
子間電圧より高い電圧を前記比較回路の基準電圧
としたCO検知装置の異常検知装置。 (2) 半導体式ガスセンサーをヒーターを具備す
るガスセンサーとした実用新案登録請求の範囲第
1項記載のCO検知装置の異常検知装置。 (3) 半導体式ガスセンサーのヒーター回路を初
期安定化時間内の特定時間までのみをONとする
ようにした実用新案登録請求の範囲第2項記載の
CO検知装置の異常検知装置。[Claims for Utility Model Registration] (1) In a CO detection device using a semiconductor gas sensor, a reference voltage for comparison and a voltage between the sensor elements are inputted to a comparator circuit 11, and the voltage between the sensor elements is equal to or higher than the reference voltage. It consists of an abnormality detection circuit 1 that produces a constant output when the value of The setting time of the timer 2 is set to the time from the start of energization to the sensor element to a specific time within the initial stabilization time, and the comparison circuit sets a voltage higher than the voltage between the sensor elements at the specific time of a normal sensor element. An abnormality detection device for a CO detection device using a reference voltage of . (2) An abnormality detection device for a CO detection device according to claim 1, in which a semiconductor gas sensor is a gas sensor equipped with a heater. (3) An abnormality detection device for a CO detection device according to claim 2 of the utility model registration, wherein the heater circuit of the semiconductor gas sensor is turned ON only until a specific time within the initial stabilization time.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984162030U JPH0411163Y2 (en) | 1984-10-25 | 1984-10-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984162030U JPH0411163Y2 (en) | 1984-10-25 | 1984-10-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6176350U true JPS6176350U (en) | 1986-05-22 |
JPH0411163Y2 JPH0411163Y2 (en) | 1992-03-19 |
Family
ID=30719926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1984162030U Expired JPH0411163Y2 (en) | 1984-10-25 | 1984-10-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0411163Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009271018A (en) * | 2008-05-10 | 2009-11-19 | Fis Inc | Gas detection device for burning appliance |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002022166A (en) * | 1998-06-30 | 2002-01-23 | Sengoku:Kk | Co detection microcomputer control type oil burning heater |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5842960A (en) * | 1981-09-08 | 1983-03-12 | Matsushita Electric Works Ltd | Detection apparatus of combustible gas |
JPS6027849A (en) * | 1983-07-26 | 1985-02-12 | Sharp Corp | Detecting apparatus of gas |
-
1984
- 1984-10-25 JP JP1984162030U patent/JPH0411163Y2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5842960A (en) * | 1981-09-08 | 1983-03-12 | Matsushita Electric Works Ltd | Detection apparatus of combustible gas |
JPS6027849A (en) * | 1983-07-26 | 1985-02-12 | Sharp Corp | Detecting apparatus of gas |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009271018A (en) * | 2008-05-10 | 2009-11-19 | Fis Inc | Gas detection device for burning appliance |
Also Published As
Publication number | Publication date |
---|---|
JPH0411163Y2 (en) | 1992-03-19 |