JPS61163947U - - Google Patents
Info
- Publication number
- JPS61163947U JPS61163947U JP4684885U JP4684885U JPS61163947U JP S61163947 U JPS61163947 U JP S61163947U JP 4684885 U JP4684885 U JP 4684885U JP 4684885 U JP4684885 U JP 4684885U JP S61163947 U JPS61163947 U JP S61163947U
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- photodetector
- detection
- knocking
- cooling water
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 1
Landscapes
- Testing Of Engines (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Electrical Control Of Ignition Timing (AREA)
Description
第１図はこの考案の一実施例を示す構成図、第
２図はこの考案の他の実施例を示す要部構成図、
第３図は従来のノツキング検出装置を備えた機関
の制御装置の一例を示す構成図、第４図は同じく
従来のノツキング検出装置を備えた機関の制御装
置の他の例を示す構成図である。
１１…燃焼室、３３Ａ〜３３Ｄ…光フアイバ、
３５…光検出器、３８…コントロールユニツト、
４０…冷却容器、５１…水温センサ。
FIG. 1 is a block diagram showing one embodiment of this invention, FIG. 2 is a block diagram of main parts showing another embodiment of this invention,
FIG. 3 is a configuration diagram showing an example of an engine control device equipped with a conventional knocking detection device, and FIG. 4 is a configuration diagram showing another example of an engine control device equipped with a conventional knocking detection device. . 11... Combustion chamber, 33A to 33D... Optical fiber,
35... Photodetector, 38... Control unit,
40...Cooling container, 51...Water temperature sensor.
Claims (1)
気信号に変換して出力する光検出器を備え、該光
検出器の検出結果に基づいてノツキングを検出す
るノツキング検出装置において、前記光検出器を
冷却水で冷却する冷却手段と、該冷却手段の冷却
能力を機関運転状態に応じて変化させる冷却能力
制御手段と、前記冷却水の温度を検出する冷却水
温検出手段と、該冷却水温検出手段の検出結果に
基づいて前記光検出器の検出値を補正する補正手
段とを設けたことを特徴とするノツキング検出装
置。 A knocking detection device that includes a photodetector that converts light energy generated in a combustion chamber of an internal combustion engine into an electrical signal and outputs the electrical signal, and that detects knocking based on the detection result of the photodetector, the photodetector being cooled. A cooling means for cooling with water, a cooling capacity control means for changing the cooling capacity of the cooling means according to the engine operating state, a cooling water temperature detecting means for detecting the temperature of the cooling water, and a detection of the cooling water temperature detecting means. A knocking detection device comprising: a correction means for correcting a detection value of the photodetector based on the result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4684885U JPS61163947U (en) | 1985-04-01 | 1985-04-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4684885U JPS61163947U (en) | 1985-04-01 | 1985-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61163947U true JPS61163947U (en) | 1986-10-11 |
Family
ID=30561629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4684885U Pending JPS61163947U (en) | 1985-04-01 | 1985-04-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61163947U (en) |
-
1985
- 1985-04-01 JP JP4684885U patent/JPS61163947U/ja active Pending