JPS57108523A - Combustion controlling apparatus - Google Patents
Combustion controlling apparatusInfo
- Publication number
- JPS57108523A JPS57108523A JP18476880A JP18476880A JPS57108523A JP S57108523 A JPS57108523 A JP S57108523A JP 18476880 A JP18476880 A JP 18476880A JP 18476880 A JP18476880 A JP 18476880A JP S57108523 A JPS57108523 A JP S57108523A
- Authority
- JP
- Japan
- Prior art keywords
- flame
- signal
- produced
- signals
- controlling apparatus
- 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
- Feedback Control In General (AREA)
- Regulation And Control Of Combustion (AREA)
- Control Of Combustion (AREA)
Abstract
PURPOSE: To improve flame extinguishing performance of a combustion controlling apparatus for a space heater or the like, by producing a first clock signal and another clock signal faster than the first clock signal at the time when a flame signal is detected, and designating a gate circuit to drive a control circuit on the basis of the logical addition of the above two clock signals.
CONSTITUTION: When flame is detected, signals FLO and FLUP are produced from a differentiation circuit 2-2. The signal FLO makes a shift register 8-2 shift faster than before detecting the flame, while the signal FLUP operates timers 15-1, 15-2 through setting of a memory 12-4 and opens a valve. When the temperature reaches a predetermined value, signals THOF and THO are produced from a differentiation circuit 2-1 and combustion terminating operation is started. Here, if flame is extinguished during the above process, a signal FLDW is produced from the differentiation circuit 2-2 and ordinary sequence terminating operation is employed through operation of AND-gates 3-3, 3-4 and an inverter 11-2. Thus, it is enabled to improve flame extinguishing performance of the combustion controlling apparatus.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18476880A JPS57108523A (en) | 1980-12-25 | 1980-12-25 | Combustion controlling apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18476880A JPS57108523A (en) | 1980-12-25 | 1980-12-25 | Combustion controlling apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57108523A true JPS57108523A (en) | 1982-07-06 |
JPS6410735B2 JPS6410735B2 (en) | 1989-02-22 |
Family
ID=16158978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18476880A Granted JPS57108523A (en) | 1980-12-25 | 1980-12-25 | Combustion controlling apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57108523A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50146783A (en) * | 1974-05-20 | 1975-11-25 | ||
JPS5367121A (en) * | 1976-11-29 | 1978-06-15 | Hitachi Ltd | Combustion control device |
-
1980
- 1980-12-25 JP JP18476880A patent/JPS57108523A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50146783A (en) * | 1974-05-20 | 1975-11-25 | ||
JPS5367121A (en) * | 1976-11-29 | 1978-06-15 | Hitachi Ltd | Combustion control device |
Also Published As
Publication number | Publication date |
---|---|
JPS6410735B2 (en) | 1989-02-22 |
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