JPS58187765U - Oxygen concentration detection device - Google Patents

Oxygen concentration detection device

Info

Publication number
JPS58187765U
JPS58187765U JP8624682U JP8624682U JPS58187765U JP S58187765 U JPS58187765 U JP S58187765U JP 8624682 U JP8624682 U JP 8624682U JP 8624682 U JP8624682 U JP 8624682U JP S58187765 U JPS58187765 U JP S58187765U
Authority
JP
Japan
Prior art keywords
oxygen concentration
detection device
concentration detection
flame
decrease
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
Application number
JP8624682U
Other languages
Japanese (ja)
Inventor
博志 山口
孝志 関口
Original Assignee
三菱電機株式会社
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 by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP8624682U priority Critical patent/JPS58187765U/en
Publication of JPS58187765U publication Critical patent/JPS58187765U/en
Pending legal-status Critical Current

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  • Regulation And Control Of Combustion (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

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

第１図はこの考案の対象となる電気回路の一例を示す図
、第２図は従来の酸素濃度検知装置のフローチャート図
、第３図はこの考案による酸素濃度検知装置のフローチ
ャート図。 １はマイクロコンピュータ、２，３はリレー、４．５は
リレーの駆動素子、Ａは炎のイオン電流信号、Ｂは炎の
イオン電流信号Ａを補正するための信号である。 γＴ丁−丁べ 間口 −Ｌ　−一　　− 一□１ ′　慝駄陶１１FIG. 1 is a diagram showing an example of an electric circuit to which this invention is applied, FIG. 2 is a flowchart of a conventional oxygen concentration detection device, and FIG. 3 is a flowchart of an oxygen concentration detection device according to this invention. 1 is a microcomputer, 2 and 3 are relays, 4.5 is a driving element of the relay, A is a flame ion current signal, and B is a signal for correcting the flame ion current signal A. γT-cho-chobe frontage-L -1 -1□1' Gida 11

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 炎のイオン電流の変化をとらえて酸素濃度の低下を検出
する酸素濃度検知装置において、着火後、一定時間経過
後に、−足間燃焼量の変化を禁止し、その後、炎のイオ
ン電流を測定し、その値に比例した値を酸素濃度低下の
検出レベルとすることを特徴とする酸素濃度検知装置。In an oxygen concentration detection device that detects a decrease in oxygen concentration by detecting changes in the ionic current of the flame, after a certain period of time has elapsed after ignition, changes in the inter-leg combustion amount are prohibited, and then the ionic current of the flame is measured. , an oxygen concentration detection device characterized in that a value proportional to the value is set as a detection level for a decrease in oxygen concentration.
JP8624682U 1982-06-10 1982-06-10 Oxygen concentration detection device Pending JPS58187765U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8624682U JPS58187765U (en) 1982-06-10 1982-06-10 Oxygen concentration detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8624682U JPS58187765U (en) 1982-06-10 1982-06-10 Oxygen concentration detection device

Publications (1)

Publication Number Publication Date
JPS58187765U true JPS58187765U (en) 1983-12-13

Family

ID=30095069

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8624682U Pending JPS58187765U (en) 1982-06-10 1982-06-10 Oxygen concentration detection device

Country Status (1)

Country Link
JP (1) JPS58187765U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6190051A (en) * 1984-10-11 1986-05-08 Mitsubishi Electric Corp Oxygen concentration detector for combustion machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6190051A (en) * 1984-10-11 1986-05-08 Mitsubishi Electric Corp Oxygen concentration detector for combustion machine

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