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
Application number
JP16203084U
Other languages
Japanese (ja)
Other versions
JPH0411163Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1984162030U priority Critical patent/JPH0411163Y2/ja
Publication of JPS6176350U publication Critical patent/JPS6176350U/ja
Application granted granted Critical
Publication of JPH0411163Y2 publication Critical patent/JPH0411163Y2/ja
Expired legal-status Critical Current

Links

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

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】 (1) 半導体式ガスセンサーを用いたＣＯ検知装
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.
JP1984162030U 1984-10-25 1984-10-25 Expired JPH0411163Y2 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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