JPS5852439U - flame detection device - Google Patents

flame detection device

Info

Publication number
JPS5852439U
JPS5852439U JP14694381U JP14694381U JPS5852439U JP S5852439 U JPS5852439 U JP S5852439U JP 14694381 U JP14694381 U JP 14694381U JP 14694381 U JP14694381 U JP 14694381U JP S5852439 U JPS5852439 U JP S5852439U
Authority
JP
Japan
Prior art keywords
circuit
flame
detection device
flame detection
photodetector
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
JP14694381U
Other languages
Japanese (ja)
Inventor
山本　精一郎
Original Assignee
石川島播磨重工業株式会社
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 石川島播磨重工業株式会社 filed Critical 石川島播磨重工業株式会社
Priority to JP14694381U priority Critical patent/JPS5852439U/en
Publication of JPS5852439U publication Critical patent/JPS5852439U/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • 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図は従来におけるフリッカ−型火炎検出装置の構成
を示すブロック図、第２図はこの考案の一実施例を示す
ブロック図である。 １・・・バーナ、２・・・火炎、３・・・光検出器。FIG. 1 is a block diagram showing the configuration of a conventional flicker-type flame detection device, and FIG. 2 is a block diagram showing an embodiment of this invention. 1...burner, 2...flame, 3...photodetector.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 火炎から発せられる光を検出する光検出器と、前蓋光検
出器の検出信号から２つの異なる周波数成分を抽出する
回路と、前記抽出されたそれぞれの成分のレベルに関す
る値を求める回路と、前記求められたレベルに関する値
の比を求める回路と、前記求められた比を予め設定され
た基準値と比較して火炎の有無を判断する回路とを具え
た火炎検出装置。a photodetector for detecting light emitted from a flame; a circuit for extracting two different frequency components from the detection signal of the front lid photodetector; a circuit for determining a value regarding the level of each of the extracted components; A flame detection device comprising: a circuit for determining a ratio of values related to the determined levels; and a circuit for comparing the determined ratio with a preset reference value to determine the presence or absence of a flame.
JP14694381U 1981-10-01 1981-10-01 flame detection device Pending JPS5852439U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14694381U JPS5852439U (en) 1981-10-01 1981-10-01 flame detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14694381U JPS5852439U (en) 1981-10-01 1981-10-01 flame detection device

Publications (1)

Publication Number Publication Date
JPS5852439U true JPS5852439U (en) 1983-04-09

Family

ID=29939822

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14694381U Pending JPS5852439U (en) 1981-10-01 1981-10-01 flame detection device

Country Status (1)

Country Link
JP (1) JPS5852439U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6036824A (en) * 1983-08-05 1985-02-26 Babcock Hitachi Kk Optical flame detector
JPS6123069U (en) * 1984-07-16 1986-02-10 三男 板垣 recycled heater
JPH02157521A (en) * 1988-12-09 1990-06-18 Matsushita Electric Ind Co Ltd Combustion apparatus
JPH0468212A (en) * 1990-07-05 1992-03-04 Toyota Motor Corp Burner combustion control device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6036824A (en) * 1983-08-05 1985-02-26 Babcock Hitachi Kk Optical flame detector
JPS6123069U (en) * 1984-07-16 1986-02-10 三男 板垣 recycled heater
JPH02157521A (en) * 1988-12-09 1990-06-18 Matsushita Electric Ind Co Ltd Combustion apparatus
JPH0468212A (en) * 1990-07-05 1992-03-04 Toyota Motor Corp Burner combustion control device

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