JPS57134622A - Combustion safety device - Google Patents

Combustion safety device

Info

Publication number
JPS57134622A
JPS57134622A JP1950081A JP1950081A JPS57134622A JP S57134622 A JPS57134622 A JP S57134622A JP 1950081 A JP1950081 A JP 1950081A JP 1950081 A JP1950081 A JP 1950081A JP S57134622 A JPS57134622 A JP S57134622A
Authority
JP
Japan
Prior art keywords
receiving element
light receiving
red heat
light
fuel
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
JP1950081A
Other languages
Japanese (ja)
Inventor
Yasuhito Sasaki
Takashi Matsuzaka
Minoru Komori
Katsuyoshi Kumazawa
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP1950081A priority Critical patent/JPS57134622A/en
Publication of JPS57134622A publication Critical patent/JPS57134622A/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
    • F23N5/003—Systems for controlling combustion using detectors sensitive to combustion gas properties
    • F23N5/006—Systems for controlling combustion using detectors sensitive to combustion gas properties the detector being sensitive to oxygen

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Control Of Combustion (AREA)

Abstract

PURPOSE:To improve a response characteristic and provide a positive operation of the unit by a method wherein an oxygen concentration sensor is constructed such that a photoconductive element is loosely inserted into the sensor pipe and further connected to the light receiving element and a feeding of fuel is terminated when the output of the light receiving element is set in a predetermined range. CONSTITUTION:When a leading end of the sensor pipe 21 of the oxygen concentration sensor 13 is heated by the inner flame of the combustion flame to generate a red heat condition, the inner surface of the sensor pipe 21 is also red heated to radiate the red heat light, and the red heat light is introduced into the light receiving element 23 through the photoconductive element 24. The light receiving element 23 produces a terminal potential in response to the strength of the red heat light. Thus, when the terminal potential is set in a predetermined dangerous range of lack of ocygen, the fuel feeding signal is produced from the control unit (not shown) to terminate the supplying of the fuel. With this arrangement, it is possible to provide a simple structure and a good response characteristic, a positive operation and further to improve a safety of the unit without being affected by the soot and the like.
JP1950081A 1981-02-12 1981-02-12 Combustion safety device Pending JPS57134622A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1950081A JPS57134622A (en) 1981-02-12 1981-02-12 Combustion safety device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1950081A JPS57134622A (en) 1981-02-12 1981-02-12 Combustion safety device

Publications (1)

Publication Number Publication Date
JPS57134622A true JPS57134622A (en) 1982-08-19

Family

ID=12001086

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1950081A Pending JPS57134622A (en) 1981-02-12 1981-02-12 Combustion safety device

Country Status (1)

Country Link
JP (1) JPS57134622A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0513837B1 (en) * 1991-05-17 1995-10-18 Kabushiki Kaisha Sg Rodless cylinder apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5230921A (en) * 1975-09-03 1977-03-09 Matsushita Electric Ind Co Ltd Flame detecting device
JPS5522367U (en) * 1978-07-29 1980-02-13
JPS5551230A (en) * 1978-10-09 1980-04-14 Showa Electric Wire & Cable Co Ltd Flame detecting device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5230921A (en) * 1975-09-03 1977-03-09 Matsushita Electric Ind Co Ltd Flame detecting device
JPS5522367U (en) * 1978-07-29 1980-02-13
JPS5551230A (en) * 1978-10-09 1980-04-14 Showa Electric Wire & Cable Co Ltd Flame detecting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0513837B1 (en) * 1991-05-17 1995-10-18 Kabushiki Kaisha Sg Rodless cylinder apparatus

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