JPS58184641U - Abnormality detection device for cylinder pressure detection device - Google Patents
Abnormality detection device for cylinder pressure detection deviceInfo
- Publication number
- JPS58184641U JPS58184641U JP8229182U JP8229182U JPS58184641U JP S58184641 U JPS58184641 U JP S58184641U JP 8229182 U JP8229182 U JP 8229182U JP 8229182 U JP8229182 U JP 8229182U JP S58184641 U JPS58184641 U JP S58184641U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- cylinder pressure
- pressure detection
- difference
- abnormality 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
- Measuring Fluid Pressure (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は内燃機関における一般的な気筒内圧力を示す波
形図、第２図はこの考案による気筒内圧力検出装置の異
常検出装置の一実施例の構成を示すブロック図、第３図
は第２図の装置の作用を説明するためのフローチャート
である。
１ａ〜１ｄ・・・気筒内圧力センサ、３・・・基準信号
発生器、４・・・クランク角位置信号発生器、５・・・
演算部、６ａ・・・最大値メモリ、６ｂ・・・最小値メ
モリ、７・・・演算部。Fig. 1 is a waveform diagram showing general cylinder pressure in an internal combustion engine, Fig. 2 is a block diagram showing the configuration of an embodiment of an abnormality detection device for the cylinder pressure detection device according to this invention, and Fig. 3 is a waveform diagram showing the general cylinder pressure in an internal combustion engine. 3 is a flowchart for explaining the operation of the device shown in FIG. 2; 1a to 1d...Cylinder pressure sensor, 3...Reference signal generator, 4...Crank angle position signal generator, 5...
Arithmetic unit, 6a... Maximum value memory, 6b... Minimum value memory, 7... Arithmetic unit.
Claims (1)
クランク角位置を検出する手段と、クランク角位置の特
定の範囲における気筒内圧力の最大値と最小値との差を
計測する手段と、該差を所定値と比較して、該差が該所
定値より小さい場合に前記気筒内圧力検出装置が異常で
ある旨の信号を出力する手段とからなる気筒内圧力検出
装置の異常検出装置。A device for detecting the cylinder pressure of an internal combustion engine, comprising means for detecting the crank angle position of the engine, means for measuring the difference between the maximum value and the minimum value of the cylinder pressure in a specific range of the crank angle position, and An abnormality detection device for a cylinder pressure detection device, comprising means for comparing the difference with a predetermined value and outputting a signal indicating that the cylinder pressure detection device is abnormal if the difference is smaller than the predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8229182U JPS58184641U (en) | 1982-06-04 | 1982-06-04 | Abnormality detection device for cylinder pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8229182U JPS58184641U (en) | 1982-06-04 | 1982-06-04 | Abnormality detection device for cylinder pressure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58184641U true JPS58184641U (en) | 1983-12-08 |
Family
ID=30091365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8229182U Pending JPS58184641U (en) | 1982-06-04 | 1982-06-04 | Abnormality detection device for cylinder pressure detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58184641U (en) |
-
1982
- 1982-06-04 JP JP8229182U patent/JPS58184641U/en active Pending
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