JPS628544U - - Google Patents

Info

Publication number
JPS628544U
JPS628544U JP9774485U JP9774485U JPS628544U JP S628544 U JPS628544 U JP S628544U JP 9774485 U JP9774485 U JP 9774485U JP 9774485 U JP9774485 U JP 9774485U JP S628544 U JPS628544 U JP S628544U
Authority
JP
Japan
Prior art keywords
cadmium sulfide
flame
resistance
region
resistance level
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
JP9774485U
Other languages
Japanese (ja)
Other versions
JPH0238214Y2 (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 JP9774485U priority Critical patent/JPH0238214Y2/ja
Publication of JPS628544U publication Critical patent/JPS628544U/ja
Application granted granted Critical
Publication of JPH0238214Y2 publication Critical patent/JPH0238214Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Control Of Combustion (AREA)

Description

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

第1図は炎検出装置を用いた燃焼機器の構成図
、第2図は本考案における炎検出器の制御回路の
作動説明図、第3図は他の実施例の作動説明図、
第4図は硫化カドミウムセルの劣化状態を示す説
明図、第5図は従来の炎検出器制御回路の作動説
明図である。 1……硫化カドミウムセル、2……炎検出器制
御回路(2′……制御回路)、3……燃焼器、4
……燃焼器制御回路。
Fig. 1 is a configuration diagram of a combustion device using a flame detection device, Fig. 2 is an explanatory diagram of the operation of the control circuit of the flame detector according to the present invention, and Fig. 3 is an explanatory diagram of the operation of another embodiment.
FIG. 4 is an explanatory diagram showing the deterioration state of a cadmium sulfide cell, and FIG. 5 is an explanatory diagram of the operation of a conventional flame detector control circuit. 1...Cadmium sulfide cell, 2...Flame detector control circuit (2'...control circuit), 3...Combustor, 4
...Combustor control circuit.

Claims (1)

【実用新案登録請求の範囲】 照射された光の照度により抵抗値が変化する硫
化カドミウムセル1と、 基準値として設定される、炎有り抵抗レベル領
域A、炎無し抵抗レベル領域C及び領域Aと領域
Cとの境界領域に設けられる硫化カドミウム劣化
抵抗レベル領域Bを備えており、前記硫化カドミ
ウムセルからの抵抗信号を前記基準値と比較し、
該当する領域の判別信号を出力する制御回路2と
、からなることを特徴とする炎検出装置。
[Claims for Utility Model Registration] A cadmium sulfide cell 1 whose resistance value changes depending on the illuminance of the irradiated light, and resistance level range A with flame, resistance level range C without flame, and range A set as reference values. A cadmium sulfide deterioration resistance level region B is provided in a boundary region with region C, and the resistance signal from the cadmium sulfide cell is compared with the reference value,
A flame detection device comprising: a control circuit 2 that outputs a discrimination signal for a corresponding area.
JP9774485U 1985-06-26 1985-06-26 Expired JPH0238214Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9774485U JPH0238214Y2 (en) 1985-06-26 1985-06-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9774485U JPH0238214Y2 (en) 1985-06-26 1985-06-26

Publications (2)

Publication Number Publication Date
JPS628544U true JPS628544U (en) 1987-01-19
JPH0238214Y2 JPH0238214Y2 (en) 1990-10-16

Family

ID=30965013

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9774485U Expired JPH0238214Y2 (en) 1985-06-26 1985-06-26

Country Status (1)

Country Link
JP (1) JPH0238214Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6536232B2 (en) * 2015-07-07 2019-07-03 三浦工業株式会社 Flame detection device and boiler

Also Published As

Publication number Publication date
JPH0238214Y2 (en) 1990-10-16

Similar Documents

Publication Publication Date Title
JPS628544U (en)
JPH025296U (en)
JPS63173647U (en)
JPS61109096U (en)
JPH0262336U (en)
JPS6229537U (en)
JPS61181336U (en)
JPS6221633U (en)
JPH0380394U (en)
JPH02108196U (en)
JPS61135378U (en)
JPS62108142U (en)
JPS5927473U (en) current detection device
JPS62167742U (en)
JPS63137224U (en)
JPS6332342U (en)
JPS58189980U (en) Infrared moving object detection device
JPS62187237U (en)
JPS62203419U (en)
JPH0321719U (en)
JPS6190359U (en)
JPS60155260U (en) Form detection circuit
JPS6021852U (en) flame detector
JPS63159490U (en)
JPS61161782U (en)