JPS6050342U - Flame detection circuit of open hot air heater - Google Patents
Flame detection circuit of open hot air heaterInfo
- Publication number
- JPS6050342U JPS6050342U JP13798983U JP13798983U JPS6050342U JP S6050342 U JPS6050342 U JP S6050342U JP 13798983 U JP13798983 U JP 13798983U JP 13798983 U JP13798983 U JP 13798983U JP S6050342 U JPS6050342 U JP S6050342U
- Authority
- JP
- Japan
- Prior art keywords
- flame detection
- hot air
- air heater
- detection circuit
- flame
- 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
Links
Landscapes
- Regulation And Control Of Combustion (AREA)
- Control Of Combustion (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の炎検知回路側図、第２図は従来の炎検知
回路による検知特性図、第３図は本考案による炎検知回
路の一実施例図、第４図は本考案の一実施例による炎検
知回路の検知特性図を示したものである。
１５Ａ・・・基準電圧切換手段、２０Ａ・・・他の基準
電圧切換手段、１７・・・炎検知レベル切換回路。Fig. 1 is a side view of a conventional flame detection circuit, Fig. 2 is a detection characteristic diagram of a conventional flame detection circuit, Fig. 3 is a diagram of an embodiment of a flame detection circuit according to the present invention, and Fig. 4 is an example of a flame detection circuit according to the present invention. 1 shows a detection characteristic diagram of a flame detection circuit according to an example. 15A... Reference voltage switching means, 20A... Other reference voltage switching means, 17... Flame detection level switching circuit.
Claims (1)
にて検出したレベルと、炎検知レベル切換回路の出力を
基準電圧切換手段を介し複数個の基準電圧としたレベル
とを比較することによって雰囲気中の酸素濃度を検知す
るものにおいて、前記炎検知レベル切換回路１７の出力
を前記基準電圧切換手段１５Ａと他の基準電圧切換手段
２０Ａとの組合せを介することによって燃焼状態の強弱
に応じて切換制御を可能としたことを特徴とする開放形
温風暖房機の炎検知回路。By comparing the level at which the state of the flame is detected with a DC analog voltage using the rectifying property of the flame, and the level at which the output of the flame detection level switching circuit is set to multiple reference voltages via the reference voltage switching means. In a device that detects the oxygen concentration in the atmosphere, the output of the flame detection level switching circuit 17 is switched according to the strength of the combustion state through a combination of the reference voltage switching means 15A and another reference voltage switching means 20A. A flame detection circuit for an open hot air heater, which is characterized by being controllable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13798983U JPS6050342U (en) | 1983-09-06 | 1983-09-06 | Flame detection circuit of open hot air heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13798983U JPS6050342U (en) | 1983-09-06 | 1983-09-06 | Flame detection circuit of open hot air heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6050342U true JPS6050342U (en) | 1985-04-09 |
Family
ID=30309760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13798983U Pending JPS6050342U (en) | 1983-09-06 | 1983-09-06 | Flame detection circuit of open hot air heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6050342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6291720A (en) * | 1985-10-16 | 1987-04-27 | Matsushita Electric Ind Co Ltd | Combustion detecting device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5563315A (en) * | 1978-11-01 | 1980-05-13 | Matsushita Electric Ind Co Ltd | Combustion safety device |
-
1983
- 1983-09-06 JP JP13798983U patent/JPS6050342U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5563315A (en) * | 1978-11-01 | 1980-05-13 | Matsushita Electric Ind Co Ltd | Combustion safety device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6291720A (en) * | 1985-10-16 | 1987-04-27 | Matsushita Electric Ind Co Ltd | Combustion detecting device |
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