JPS59194026U - Diesel engine ignition timing sensor - Google Patents
Diesel engine ignition timing sensorInfo
- Publication number
- JPS59194026U JPS59194026U JP8806883U JP8806883U JPS59194026U JP S59194026 U JPS59194026 U JP S59194026U JP 8806883 U JP8806883 U JP 8806883U JP 8806883 U JP8806883 U JP 8806883U JP S59194026 U JPS59194026 U JP S59194026U
- Authority
- JP
- Japan
- Prior art keywords
- light
- ignition timing
- combustion
- timing sensor
- light guide
- 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
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Testing Of Engines (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Measurement Of Unknown Time Intervals (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、本考案に係るディーゼルエンジンの着火時期
センサの第１実施例が用いられている着火時期検出装置
の全体構成を示す断面図、第２図は、前記第１実施例の
構成を示す断面図、第３図は、前記第１実施例における
フォトトランジスタの接続状態を示す回路図、第４図は
、本考案に係るディーゼルエンジンの着火時期センサの
第２実施例におけるフォトダイオードの接続状態を示す
回路図である。
１０・・・ディーゼルエンジン、１０Ａ・・・燃焼室、
１２・・・着火時期センサ、３０・・・光導体、３０Ａ
・・・先端、３２．３４・・・ハウジング、３６・・・
光検出器ハウジング、３８・・・主フォトトランジスタ
、４０・・・副フォトトランジスタ、５０・・・ハーフ
ブリッジ回路、６０・・・作動増幅回路、８０・・・主
フォトダイオード、８２・・・副フォトダイオード、８
Ｂ・・・増幅回路。FIG. 1 is a sectional view showing the overall configuration of an ignition timing detection device in which a first embodiment of the ignition timing sensor for a diesel engine according to the present invention is used, and FIG. 2 shows the configuration of the first embodiment. 3 is a circuit diagram showing the connection state of the phototransistor in the first embodiment, and FIG. 4 is a circuit diagram showing the connection state of the photodiode in the second embodiment of the ignition timing sensor for a diesel engine according to the present invention. It is a circuit diagram showing a state. 10...Diesel engine, 10A...Combustion chamber,
12... Ignition timing sensor, 30... Light guide, 30A
...Tip, 32.34...Housing, 36...
Photodetector housing, 38... Main phototransistor, 40... Sub-phototransistor, 50... Half-bridge circuit, 60... Active amplifier circuit, 80... Main photodiode, 82... Sub- Photodiode, 8
B...Amplification circuit.
Claims (1)
、燃焼室内を外気から遮断した状態で前記光導体を保持
する筒状ハウジングとを有し、前記光導体によって導か
れる燃焼光の状態から着火時期を検出するためのディー
ゼルエンジンの着火時期センサにおいて、前記ハウジン
グの、前記光導体によって導かれる燃焼光を受光する位
置に配設された、前記燃焼光を電気信号に変換する主光
検出器と、前記ハウジングの、前記主光検出器近傍の燃
焼光を受光しない位置に配設された温度補償用の副光検
出器とを設け、両光検出器の差出力から着火時を検出す
るようにしたことを取特徴とするディーゼルエンジンの
着火時期センサ。It has a light guide arranged so that its tip faces into the engine combustion chamber, and a cylindrical housing that holds the light guide while shielding the combustion chamber from outside air, and ignites from the state of combustion light guided by the light guide. In the ignition timing sensor for a diesel engine for detecting timing, a main light detector is arranged in the housing at a position to receive the combustion light guided by the light guide, and converts the combustion light into an electrical signal. , a sub-photodetector for temperature compensation is provided in the housing at a position near the main photodetector that does not receive combustion light, and the ignition time is detected from the difference output between the two photodetectors. This is an ignition timing sensor for diesel engines that is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8806883U JPS59194026U (en) | 1983-06-09 | 1983-06-09 | Diesel engine ignition timing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8806883U JPS59194026U (en) | 1983-06-09 | 1983-06-09 | Diesel engine ignition timing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59194026U true JPS59194026U (en) | 1984-12-24 |
Family
ID=30217981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8806883U Pending JPS59194026U (en) | 1983-06-09 | 1983-06-09 | Diesel engine ignition timing sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59194026U (en) |
-
1983
- 1983-06-09 JP JP8806883U patent/JPS59194026U/en active Pending
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