JPS62118948U - - Google Patents

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Publication number
JPS62118948U
JPS62118948U JP282586U JP282586U JPS62118948U JP S62118948 U JPS62118948 U JP S62118948U JP 282586 U JP282586 U JP 282586U JP 282586 U JP282586 U JP 282586U JP S62118948 U JPS62118948 U JP S62118948U
Authority
JP
Japan
Prior art keywords
detector
ignition
rate
output signal
change
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
JP282586U
Other languages
English (en)
Other versions
JPH0424282Y2 (ja
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 JP1986002825U priority Critical patent/JPH0424282Y2/ja
Publication of JPS62118948U publication Critical patent/JPS62118948U/ja
Application granted granted Critical
Publication of JPH0424282Y2 publication Critical patent/JPH0424282Y2/ja
Expired legal-status Critical Current

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Description

【図面の簡単な説明】
第１図は不完全燃焼防止装置を併設した本考案
に係るガス湯沸器の着火検出装置のブロツク図、
第２図は不完全燃焼防止用熱電対を組込んだガス
湯沸器の着火検出装置のブロツク図、第３図ａは
熱電対の発生熱起電力の特性図、第３図ｂは着火
検出装置により検出される着火と失火を示す図、
第４図は点火操作に伴う着火、失火と各検出器及
び各論理素子の出力信号と着火検出結果の関連を
示す表である。 １……熱電対、２……炎検出器、３……変化率
検出器、４……失火検出器、５……着火検出器、
６……ＮＯＴ回路、７……ＡＮＤ回路、８……Ｏ
Ｒ回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. バーナにより加熱される熱電対１に、該熱電対
    １による発生熱起電力の大きさを検知して炎検知
    電圧レベルと比較し炎の有無を検知する炎検出器
    ２と、前記熱起電力の変化率を検出する変化率検
    出器３とを並列に接続し、該変化率検出器３によ
    り検出された熱起電力の変化率を失火検出レベル
    と比較して失火を検出する失火検出器４と着火検
    出レベルと比較して着火を検出する着火検出器５
    とを並列に前記変化率検出器３に接続し、失火検
    出器４の出力信号を反転するＮＯＴ回路６の出力
    信号と前記炎検出器２の出力信号を入力とするＡ
    ＮＤ回路７と該ＡＮＤ回路７の出力信号と前記着
    火検出器５の出力信号を入力とするＯＲ回路８か
    らなるガス湯沸器の着火検出装置。
JP1986002825U 1986-01-13 1986-01-13 Expired JPH0424282Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986002825U JPH0424282Y2 (ja) 1986-01-13 1986-01-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986002825U JPH0424282Y2 (ja) 1986-01-13 1986-01-13

Publications (2)

Publication Number Publication Date
JPS62118948U true JPS62118948U (ja) 1987-07-28
JPH0424282Y2 JPH0424282Y2 (ja) 1992-06-08

Family

ID=30782025

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986002825U Expired JPH0424282Y2 (ja) 1986-01-13 1986-01-13

Country Status (1)

Country Link
JP (1) JPH0424282Y2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0642742A (ja) * 1992-07-23 1994-02-18 Sumitomo Metal Ind Ltd バーナの失火検知方法
JP2002357319A (ja) * 2001-03-30 2002-12-13 Rinnai Corp ガス燃焼装置
JP2015049007A (ja) * 2013-09-03 2015-03-16 リンナイ株式会社 燃焼装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5551231A (en) * 1978-10-12 1980-04-14 Atago Seisakusho:Kk Security device for electromagnetic holding valve of gas instrument

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5551231A (en) * 1978-10-12 1980-04-14 Atago Seisakusho:Kk Security device for electromagnetic holding valve of gas instrument

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0642742A (ja) * 1992-07-23 1994-02-18 Sumitomo Metal Ind Ltd バーナの失火検知方法
JP2002357319A (ja) * 2001-03-30 2002-12-13 Rinnai Corp ガス燃焼装置
JP2015049007A (ja) * 2013-09-03 2015-03-16 リンナイ株式会社 燃焼装置

Also Published As

Publication number Publication date
JPH0424282Y2 (ja) 1992-06-08

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