JPS56160522A - Controller for safe combustion - Google Patents
Controller for safe combustionInfo
- Publication number
- JPS56160522A JPS56160522A JP6297780A JP6297780A JPS56160522A JP S56160522 A JPS56160522 A JP S56160522A JP 6297780 A JP6297780 A JP 6297780A JP 6297780 A JP6297780 A JP 6297780A JP S56160522 A JPS56160522 A JP S56160522A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- burner
- inoperative
- power supply
- electromagnetic valve
- 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
Links
Landscapes
- Regulation And Control Of Combustion (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
PURPOSE: To prevent occurrence of a dnagerous condition by detecting an off-state of a switch which turns on and turns off a power supply circuit so as to make a controlling circuit inoperative.
CONSTITUTION: A burner 2 is supplied with gas through a proportional electromagnetic valve 6 and a main electromagnetic valve 7 and ignited by an ignition plug 8, which also observes the burning condition of the burner 2. The porportional electromagnetic valve 6 is driven by a drive circuit 9 to open or close and the ignition plug 8 is also driven by the drive circuit 9 to perform electrical discharge and flame detection. The control circuit 11 is adapted to become operative upon the power supply from the power supply circuit 10 and inoperative when a water flow switch 4 is off and one end T of a resistor R2 becomes of an earth level. Accordingly, the off-condition of the water flow switch 4 renders the control circuit 11 to be inoperative, thereby stopping the burning of the burner 2. Thus, a possibility of accident occurrence due to a misoperation can be eliminated.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6297780A JPS56160522A (en) | 1980-05-12 | 1980-05-12 | Controller for safe combustion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6297780A JPS56160522A (en) | 1980-05-12 | 1980-05-12 | Controller for safe combustion |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56160522A true JPS56160522A (en) | 1981-12-10 |
JPS621172B2 JPS621172B2 (en) | 1987-01-12 |
Family
ID=13215918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6297780A Granted JPS56160522A (en) | 1980-05-12 | 1980-05-12 | Controller for safe combustion |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56160522A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04116472A (en) * | 1990-09-06 | 1992-04-16 | Fujitsu Ltd | Method for detecting drop in number of rotation |
-
1980
- 1980-05-12 JP JP6297780A patent/JPS56160522A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS621172B2 (en) | 1987-01-12 |
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