JPS62190842U - - Google Patents
Info
- Publication number
- JPS62190842U JPS62190842U JP7884386U JP7884386U JPS62190842U JP S62190842 U JPS62190842 U JP S62190842U JP 7884386 U JP7884386 U JP 7884386U JP 7884386 U JP7884386 U JP 7884386U JP S62190842 U JPS62190842 U JP S62190842U
- Authority
- JP
- Japan
- Prior art keywords
- position sensor
- throttle
- combustion engine
- internal combustion
- detection device
- 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
- 230000001133 acceleration Effects 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 1
Description
第１図はこの考案の一実施例を示す回路図、第
２図は同じくそのスロツトルポジシヨンセンサが
接触不良を起した時のＡ／Ｄ変換器の入力電圧の
変化を示す図、第３図は従来の内燃機関の加速検
出装置の例を示す回路図、第４図は同じくそのス
ロツトルポジシヨンセンサの特性を示す線図、第
５図は同じくその問題点を説明するための第２図
と同様な図である。
１……スロツトルポジシヨンセンサ、１ａ……
信号出力ライン、２……直流定電圧電源、２ａ…
…電源供給ライン、３……入力インピーダンス用
抵抗、４……受動フイルタの抵抗、５……受動フ
イルタのコンデンサ、６……Ａ／Ｄ変換器、８…
…マイクロコンピユータ（ＣＰＵ）、２０……信
号処理回路。
FIG. 1 is a circuit diagram showing an embodiment of this invention, FIG. 2 is a diagram showing changes in the input voltage of the A/D converter when the throttle position sensor has a contact failure, and FIG. The figure is a circuit diagram showing an example of a conventional acceleration detection device for an internal combustion engine, FIG. 4 is a diagram showing the characteristics of the throttle position sensor, and FIG. It is a figure similar to the figure. 1... Throttle position sensor, 1a...
Signal output line, 2...DC constant voltage power supply, 2a...
...Power supply line, 3...Resistor for input impedance, 4...Resistance of passive filter, 5...Capacitor of passive filter, 6...A/D converter, 8...
...Microcomputer (CPU), 20...Signal processing circuit.
Claims (1)
を出力するポテンシヨメータよりなるスロツトル
ポジシヨンセンサと、前記電圧信号を処理して、
スロツトル開度増加方向の単位時間当りの変化量
が予め定めた値より大きい時に加速と判定する信
号処理回路とを備えた加速検出装置において、 前記信号処理回路の入力インピーダンス用抵抗
を、前記スロツトルポジシヨンセンサの信号出力
ラインと該スロツトルポジシヨンセンサへの電源
供給ラインとの間に接続したことを特徴とする内
燃機関の加速検出装置。[Claims for Utility Model Registration] A throttle position sensor comprising a potentiometer that outputs a voltage signal proportional to the throttle opening of an internal combustion engine, and processing the voltage signal,
In an acceleration detection device comprising a signal processing circuit that determines acceleration when the amount of change per unit time in the direction of increasing throttle opening is larger than a predetermined value, an input impedance resistor of the signal processing circuit is connected to the throttle An acceleration detection device for an internal combustion engine, characterized in that the device is connected between a signal output line of a position sensor and a power supply line to the throttle position sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7884386U JPS62190842U (en) | 1986-05-27 | 1986-05-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7884386U JPS62190842U (en) | 1986-05-27 | 1986-05-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62190842U true JPS62190842U (en) | 1987-12-04 |
Family
ID=30928159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7884386U Pending JPS62190842U (en) | 1986-05-27 | 1986-05-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62190842U (en) |
-
1986
- 1986-05-27 JP JP7884386U patent/JPS62190842U/ja active Pending
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