JPS6169139U - - Google Patents
Info
- Publication number
- JPS6169139U JPS6169139U JP15320484U JP15320484U JPS6169139U JP S6169139 U JPS6169139 U JP S6169139U JP 15320484 U JP15320484 U JP 15320484U JP 15320484 U JP15320484 U JP 15320484U JP S6169139 U JPS6169139 U JP S6169139U
- Authority
- JP
- Japan
- Prior art keywords
- photodetector
- light receiving
- receiving section
- detection device
- combustion chamber
- 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 5
- 241000234435 Lilium Species 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Testing Of Engines (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Electrical Control Of Ignition Timing (AREA)
Description
第１図はこの考案の第１の実施例の概略構成図
、第２図は同じく第２の実施例の概略構成図であ
る。第３図は先行技術例の概略構成図である。
１……内燃機関本体（シリンダヘツド）、２…
…燃焼室、８……光検出器、１５……冷却フアン
、２１……光フアイバ、２４……ベンチユリ筒、
２５……ノツキング検出回路、３０……電動冷却
フアン。
FIG. 1 is a schematic diagram of the first embodiment of this invention, and FIG. 2 is a schematic diagram of the second embodiment. FIG. 3 is a schematic configuration diagram of a prior art example. 1... Internal combustion engine body (cylinder head), 2...
... Combustion chamber, 8 ... Photodetector, 15 ... Cooling fan, 21 ... Optical fiber, 24 ... Bench lily tube,
25...Knocking detection circuit, 30...Electric cooling fan.
Claims (1)
部を介しての光信号を電気信号に変換して出力す
る光検出器とを備えたノツキング検出装置におい
て、光検出器を機関の燃焼室近傍部分から隔離し
て設置するとともに光フアイバを介して受光部と
接続し、かつこの光検出器を包囲するベンチユリ
筒と、このベンチユリ筒に冷却風を供給する送風
手段を設けたことを特徴とする内燃機関のノツキ
ング検出装置。 In a knocking detection device that includes a light receiving section provided facing the engine combustion chamber and a photodetector that converts the optical signal received through the light receiving section into an electrical signal and outputs it, the photodetector is connected to the engine combustion chamber. It is characterized by being provided with a bench lily tube that is installed isolated from the vicinity of the room, is connected to the light receiving section via an optical fiber, and surrounds the photodetector, and is provided with an air blower that supplies cooling air to the bench lily tube. Knocking detection device for internal combustion engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15320484U JPS6169139U (en) | 1984-10-11 | 1984-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15320484U JPS6169139U (en) | 1984-10-11 | 1984-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6169139U true JPS6169139U (en) | 1986-05-12 |
Family
ID=30711238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15320484U Pending JPS6169139U (en) | 1984-10-11 | 1984-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6169139U (en) |
-
1984
- 1984-10-11 JP JP15320484U patent/JPS6169139U/ja active Pending
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