JPS5728918A - Control device for safe combustion - Google Patents

Control device for safe combustion

Info

Publication number
JPS5728918A
JPS5728918A JP10406880A JP10406880A JPS5728918A JP S5728918 A JPS5728918 A JP S5728918A JP 10406880 A JP10406880 A JP 10406880A JP 10406880 A JP10406880 A JP 10406880A JP S5728918 A JPS5728918 A JP S5728918A
Authority
JP
Japan
Prior art keywords
pressure switch
contact point
turned
air
purge
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
JP10406880A
Other languages
Japanese (ja)
Other versions
JPS6030411B2 (en
Inventor
Masao Morohoshi
Ushio Date
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.)
Azbil Corp
Original Assignee
Azbil Corp
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 Azbil Corp filed Critical Azbil Corp
Priority to JP10406880A priority Critical patent/JPS6030411B2/en
Publication of JPS5728918A publication Critical patent/JPS5728918A/en
Publication of JPS6030411B2 publication Critical patent/JPS6030411B2/en
Expired 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
    • F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
    • F23N2005/181—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using detectors sensitive to rate of flow of air
    • F23N2005/182—Air flow switch

Landscapes

  • Regulation And Control Of Combustion (AREA)
  • Control Of Combustion (AREA)

Abstract

PURPOSE: To provide a desired positive pre-purge operation by a method wherein a measurement of pre-purge time is started when a volum of actually fed air shows a maximum value, and the maximum volume or air is kept during a predetermined period of time for pre-purge operation.
CONSTITUTION: Transistor Q3 is conducted just after the thermostat TH is turned on to operate the relay 4K. Thereby, the contact point 4K1 is changed over and the recycle motor 42 in the air feeding control circuit 40 is operated to cause the damper 41 to be set at its open position, the air pressure switch AF is changed over to a normal opened contact point, the low pressure switch 44 is turned off, the high pressure switch 43 is turned on. In this condition, a charging electric current is flowed from the normal-closed contact point of the air pressure switch AF to the capacitor C1 through the high pressure switch 43, the contact point 1K3 which is already turned on, and the resistor R10, and from the operating time, a measurement of pre-purge time under the operation of PUTQ4 is initiated.
COPYRIGHT: (C)1982,JPO&Japio
JP10406880A 1980-07-29 1980-07-29 Combustion safety control device Expired JPS6030411B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10406880A JPS6030411B2 (en) 1980-07-29 1980-07-29 Combustion safety control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10406880A JPS6030411B2 (en) 1980-07-29 1980-07-29 Combustion safety control device

Publications (2)

Publication Number Publication Date
JPS5728918A true JPS5728918A (en) 1982-02-16
JPS6030411B2 JPS6030411B2 (en) 1985-07-16

Family

ID=14370841

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10406880A Expired JPS6030411B2 (en) 1980-07-29 1980-07-29 Combustion safety control device

Country Status (1)

Country Link
JP (1) JPS6030411B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2551998Y2 (en) * 1987-04-28 1997-10-27 セイコー電子工業株式会社 Light reflective plug

Also Published As

Publication number Publication date
JPS6030411B2 (en) 1985-07-16

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