JPS5733721A - Driving device for solenoid valve in combustion equipment - Google Patents
Driving device for solenoid valve in combustion equipmentInfo
- Publication number
- JPS5733721A JPS5733721A JP10936680A JP10936680A JPS5733721A JP S5733721 A JPS5733721 A JP S5733721A JP 10936680 A JP10936680 A JP 10936680A JP 10936680 A JP10936680 A JP 10936680A JP S5733721 A JPS5733721 A JP S5733721A
- Authority
- JP
- Japan
- Prior art keywords
- flame
- comparator
- solenoid valve
- output
- driving
- 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)
- Control Of Combustion (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
PURPOSE: To economize the power to hold open a solenoid valve by a method wherein the pulse width of the driving signal of the switching element in an oscillating transformer is changed with the output of a flame sensor generated by ignition and burning in the combustion equipment such as a hot water supplier or the like.
CONSTITUTION: When a burner is started to burn, a flame current flows in the flame rod 5 of a flame sensor (a) to the direction indicated with the arrow due to the burner flame. A field-effect transistor 17 turns OFF by the voltage drop caused by the flame current under the existance of a resistor 4, resulting in bottoming-up the minus input terminal voltage of the comparator 18 in a variable pulse width circuit (c). At this time, the driving wave form to switch the transistor 27 in a DC-DC convertor (e) is the one composed of the output of the comparator 23 in a driving circuit (d) and the output of said comparator 18. This composition makes the width of the driving pulse narrower and the ON time of the transistor 27 shorter, resulting supplying, to the valve 30, the small electric power only necessary to hold open the solenoid valve 30.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10936680A JPS5733721A (en) | 1980-08-09 | 1980-08-09 | Driving device for solenoid valve in combustion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10936680A JPS5733721A (en) | 1980-08-09 | 1980-08-09 | Driving device for solenoid valve in combustion equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5733721A true JPS5733721A (en) | 1982-02-23 |
| JPS6338611B2 JPS6338611B2 (en) | 1988-08-01 |
Family
ID=14508407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10936680A Granted JPS5733721A (en) | 1980-08-09 | 1980-08-09 | Driving device for solenoid valve in combustion equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5733721A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0821199A1 (en) * | 1996-07-25 | 1998-01-28 | SAUNIER DUVAL EAU CHAUDE CHAUFFAGE S.D.E.C.C. - Société anonyme | Positive safety device for the gas supply in a burner |
| EP0821198A1 (en) * | 1996-07-25 | 1998-01-28 | SAUNIER DUVAL EAU CHAUDE CHAUFFAGE S.D.E.C.C. - Société anonyme | Safety device of a burner for igniting the flame, detecting the flame and controlling the gas supply |
-
1980
- 1980-08-09 JP JP10936680A patent/JPS5733721A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0821199A1 (en) * | 1996-07-25 | 1998-01-28 | SAUNIER DUVAL EAU CHAUDE CHAUFFAGE S.D.E.C.C. - Société anonyme | Positive safety device for the gas supply in a burner |
| EP0821198A1 (en) * | 1996-07-25 | 1998-01-28 | SAUNIER DUVAL EAU CHAUDE CHAUFFAGE S.D.E.C.C. - Société anonyme | Safety device of a burner for igniting the flame, detecting the flame and controlling the gas supply |
| FR2751729A1 (en) * | 1996-07-25 | 1998-01-30 | Sdecc | BURNER SECURING DEVICE FOR FLAME IGNITION, FLAME DETECTION AND GAS ADMISSION CONTROL |
| FR2751730A1 (en) * | 1996-07-25 | 1998-01-30 | Sdecc | POSITIVE SECURING DEVICE FOR ADMISSION OF GAS INTO A BURNER |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6338611B2 (en) | 1988-08-01 |
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