JPS59128534U - Knocking detection device for internal combustion engine - Google Patents
Knocking detection device for internal combustion engineInfo
- Publication number
- JPS59128534U JPS59128534U JP2152583U JP2152583U JPS59128534U JP S59128534 U JPS59128534 U JP S59128534U JP 2152583 U JP2152583 U JP 2152583U JP 2152583 U JP2152583 U JP 2152583U JP S59128534 U JPS59128534 U JP S59128534U
- Authority
- JP
- Japan
- Prior art keywords
- output
- detection device
- combustion engine
- internal combustion
- knocking detection
- 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
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing Of Engines (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７ツキング検出装置の概略構成図、第２
図はノッキングの大きさと判定レベルとの関係を示す線
図、第３図は本考案実施例の概略構成図、第４図はその
各部の信号波形図、第５図□ は振動センサの出力の周
波数スペクトルを示す線図である。
１１・・・・・・振動センサ、１２・・・・・・整流器
、１３・・・・・・平均値形成回路、１４・・・・・・
増幅器、１５・・・・・・帯域フィルタ、１６・・・・
・・比較器。Figure 1 is a schematic configuration diagram of a conventional 7-tracking detection device;
The figure is a diagram showing the relationship between the magnitude of knocking and the judgment level, Figure 3 is a schematic configuration diagram of the embodiment of the present invention, Figure 4 is a signal waveform diagram of each part, and Figure 5 □ is a diagram of the output of the vibration sensor. It is a diagram showing a frequency spectrum. 11... Vibration sensor, 12... Rectifier, 13... Average value forming circuit, 14...
Amplifier, 15... Bandpass filter, 16...
...Comparator.
Claims (1)
形成回路で平均化しさらに増幅器で増幅し、一方振動セ
ンサの出力を帯域フィルタに通し、増幅器の出力と帯域
フィルタの出力とを比較器において比較し、この比較器
の出力によりノッキングを判定することを特徴メする、
内熱機関のノッキング検出装置。The output of the vibration sensor of the internal combustion engine is rectified by a rectifier, averaged by an average value forming circuit, and further amplified by an amplifier.Meanwhile, the output of the vibration sensor is passed through a bandpass filter, and the output of the amplifier and the output of the bandpass filter are connected to a comparator. and determines knocking based on the output of this comparator.
Knocking detection device for internal heat engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2152583U JPS59128534U (en) | 1983-02-18 | 1983-02-18 | Knocking detection device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2152583U JPS59128534U (en) | 1983-02-18 | 1983-02-18 | Knocking detection device for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59128534U true JPS59128534U (en) | 1984-08-29 |
Family
ID=30152652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2152583U Pending JPS59128534U (en) | 1983-02-18 | 1983-02-18 | Knocking detection device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59128534U (en) |
-
1983
- 1983-02-18 JP JP2152583U patent/JPS59128534U/en active Pending
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