JPH0274552U - - Google Patents
Info
- Publication number
- JPH0274552U JPH0274552U JP15354988U JP15354988U JPH0274552U JP H0274552 U JPH0274552 U JP H0274552U JP 15354988 U JP15354988 U JP 15354988U JP 15354988 U JP15354988 U JP 15354988U JP H0274552 U JPH0274552 U JP H0274552U
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- photoelectric device
- illuminance
- engine
- internal combustion
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Testing Of Engines (AREA)
Description
第１図は第１実施例の要部を機関の一部と共に
示す縦断面図、第２図は第１図における要部であ
る点火栓をＡの方向に見た下面図、第３図及び第
４図は第１実施例の作動原理を示す線図、第５図
はその制御の流れ図、第６図は第１実施例の全体
構成を示すブロツク図、第７図は第２実施例の要
部を示す下面図、第８図及び第９図は第２実施例
の作動原理を示す線図、第１０図はその制御の流
れ図である。
１……内燃機関、２……燃焼室、３……点火栓
、４ａ，４ｂ……光フアイバ、５ａ，５ｂ……光
電装置、６……制御装置。
Fig. 1 is a vertical sectional view showing the main parts of the first embodiment together with a part of the engine, Fig. 2 is a bottom view of the ignition plug, which is the main part in Fig. 1, as seen in the direction of A, Figs. Fig. 4 is a diagram showing the operating principle of the first embodiment, Fig. 5 is a flowchart of its control, Fig. 6 is a block diagram showing the overall configuration of the first embodiment, and Fig. 7 is a diagram of the second embodiment. FIGS. 8 and 9 are diagrams showing the operating principle of the second embodiment, and FIG. 10 is a flowchart of its control. DESCRIPTION OF SYMBOLS 1... Internal combustion engine, 2... Combustion chamber, 3... Spark plug, 4a, 4b... Optical fiber, 5a, 5b... Photoelectric device, 6... Control device.
Claims (1)
記栓体に埋め込まれ前記燃焼室内の異なる位置の
燃焼光を監視するようにそれぞれ異なる方向に指
向された複数個の光フアイバと、前記複数個の光
フアイバへの入射光の照度を電気的信号に変換す
る光電装置と、前記光電装置が出力する複数個の
信号を処理して前記燃焼室内各部の照度の立ち上
がりの時間を比較し前記機関がノツキング状態に
あるか否かを自動的に判定する制御装置とを備え
ていることを特徴とする内燃機関のノツキング検
出装置。 a plug inserted and fixed into a combustion chamber of an internal combustion engine; a plurality of optical fibers embedded in the plug and oriented in different directions so as to monitor combustion light at different positions within the combustion chamber; a photoelectric device that converts the illuminance of light incident on each optical fiber into an electrical signal; and a photoelectric device that processes a plurality of signals outputted by the photoelectric device and compares the rise time of the illuminance in various parts of the combustion chamber. 1. A knocking detection device for an internal combustion engine, comprising: a control device that automatically determines whether or not the engine is in a knocking state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15354988U JPH0274552U (en) | 1988-11-28 | 1988-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15354988U JPH0274552U (en) | 1988-11-28 | 1988-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0274552U true JPH0274552U (en) | 1990-06-07 |
Family
ID=31429491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15354988U Pending JPH0274552U (en) | 1988-11-28 | 1988-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0274552U (en) |
-
1988
- 1988-11-28 JP JP15354988U patent/JPH0274552U/ja active Pending
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