JPS5535877A - Flame detecting control system - Google Patents

Flame detecting control system

Info

Publication number
JPS5535877A
JPS5535877A JP10942378A JP10942378A JPS5535877A JP S5535877 A JPS5535877 A JP S5535877A JP 10942378 A JP10942378 A JP 10942378A JP 10942378 A JP10942378 A JP 10942378A JP S5535877 A JPS5535877 A JP S5535877A
Authority
JP
Japan
Prior art keywords
flame
burner
detecting
voltage
infrared
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
JP10942378A
Other languages
Japanese (ja)
Inventor
Shigeru Kusuki
Keijiro Mori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP10942378A priority Critical patent/JPS5535877A/en
Publication of JPS5535877A publication Critical patent/JPS5535877A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/08—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements
    • F23N5/082—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements using electronic means

Abstract

PURPOSE:To carry out detection of flame at a high speed and with high reliability, by detecting flame in use of an infrared-ray detecting element and controlling fuel flow to the burner of combustor. CONSTITUTION:In a flame detecting control system comprising, for instance, main burner 1, pilot burner 2, burner flame 3, casing 4, plate 5 fitted in a viewing window and detector 6 for detecting burner flame 3, an infrared-ray detecting element 7 is used for the detector 6. Providing here that temperature of element 7 is raised by DELTAT by the energy of infrared rays given from the direction shown by arrow in the drawing, electric charge Q proportional to DELTAP/DELTAT is resultantly produced in element 7. Providing that electric capacity of element 7 is C, voltage V=Q/C is developed. Therefore, if PVF2 is used for instance for converting the above voltage V into an output voltage across terminals 11 and 12 with impedance of element 7 being lowered by FET8 and resistance 9 and DC current is passed through terminals 10 and 12, flame can be detected through voltage change.
JP10942378A 1978-09-05 1978-09-05 Flame detecting control system Pending JPS5535877A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10942378A JPS5535877A (en) 1978-09-05 1978-09-05 Flame detecting control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10942378A JPS5535877A (en) 1978-09-05 1978-09-05 Flame detecting control system

Publications (1)

Publication Number Publication Date
JPS5535877A true JPS5535877A (en) 1980-03-13

Family

ID=14509855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10942378A Pending JPS5535877A (en) 1978-09-05 1978-09-05 Flame detecting control system

Country Status (1)

Country Link
JP (1) JPS5535877A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1054215A1 (en) * 1999-05-17 2000-11-22 Daewoo Electronics Co., Ltd Boiler with combustion control apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1054215A1 (en) * 1999-05-17 2000-11-22 Daewoo Electronics Co., Ltd Boiler with combustion control apparatus

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