JPS6169129U - - Google Patents
Info
- Publication number
- JPS6169129U JPS6169129U JP15349284U JP15349284U JPS6169129U JP S6169129 U JPS6169129 U JP S6169129U JP 15349284 U JP15349284 U JP 15349284U JP 15349284 U JP15349284 U JP 15349284U JP S6169129 U JPS6169129 U JP S6169129U
- Authority
- JP
- Japan
- Prior art keywords
- knocking
- filter amplifier
- output
- detection
- amplification
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 8
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例の構成を示すブロツ
ク図、第２図は同じくその詳細な回路図、第３図
は実施例における出力信号の様子を示すグラフ、
第４図は非共振型ノツクセンサを用いたノツキン
グ検出装置のフイルタアンプに見られる励振を説
明するグラフ、である。
１……非共振型ノツクセンサ、３……バツテリ
、４……ボルテージホロワ、５……ノツキング増
幅用フイルタアンプ、７……ノイズ検出用フイル
タアンプ、９……反転アンプ、１１……加算回路
。
FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention, FIG. 2 is a detailed circuit diagram thereof, and FIG. 3 is a graph showing the state of the output signal in the embodiment.
FIG. 4 is a graph illustrating excitation observed in a filter amplifier of a knocking detection device using a non-resonant knock sensor. DESCRIPTION OF SYMBOLS 1...Non-resonant knock sensor, 3...Battery, 4...Voltage follower, 5...Filter amplifier for knocking amplification, 7...Filter amplifier for noise detection, 9...Inverting amplifier, 11...Addition circuit.
Claims (1)
検出する非共振型ノツクセンサと、 該ノツクセンサの出力を増幅するノツキング増
幅用フイルタアンプと、 ノイズによつて前記ノツキング増幅用フイルタ
アンプに生ずる励振と同様の前記ノイズによつて
生ずる検出用フイルタアンプと、 前記ノツキング増幅用フイルタアンプの出力か
ら前記ノイズ検出用フイルタアンプの出力を減じ
、ノツキング検出信号として出力する減算器と、 を備えるノツキング検出装置。 ２ ノツキング増幅用フイルタアンプとノイズ検
出用フイルタアンプとが同一の構成を有する実用
新案登録請求の範囲第１項記載のノツキング検出
装置。[Claims for Utility Model Registration] 1. A non-resonant knock sensor that is attached to an internal combustion engine and detects vibrations of the engine; a knocking amplification filter amplifier that amplifies the output of the knock sensor; and a knocking amplification filter amplifier that amplifies the knocking sensor's output. a detection filter amplifier generated by the noise similar to the excitation generated in the knocking filter amplifier; and a subtracter that subtracts the output of the noise detection filter amplifier from the output of the knocking amplification filter amplifier and outputs the result as a knocking detection signal. A knocking detection device comprising: . 2. The knocking detection device according to claim 1, wherein the knocking amplification filter amplifier and the noise detection filter amplifier have the same configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984153492U JPH0526506Y2 (en) | 1984-10-11 | 1984-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984153492U JPH0526506Y2 (en) | 1984-10-11 | 1984-10-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6169129U true JPS6169129U (en) | 1986-05-12 |
| JPH0526506Y2 JPH0526506Y2 (en) | 1993-07-05 |
Family
ID=30711510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984153492U Expired - Lifetime JPH0526506Y2 (en) | 1984-10-11 | 1984-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0526506Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5614133A (en) * | 1979-07-16 | 1981-02-10 | Nippon Soken Inc | Knocking detector for internal combustion engine |
-
1984
- 1984-10-11 JP JP1984153492U patent/JPH0526506Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5614133A (en) * | 1979-07-16 | 1981-02-10 | Nippon Soken Inc | Knocking detector for internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0526506Y2 (en) | 1993-07-05 |
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