JPH0310052U - - Google Patents
Info
- Publication number
- JPH0310052U JPH0310052U JP7120189U JP7120189U JPH0310052U JP H0310052 U JPH0310052 U JP H0310052U JP 7120189 U JP7120189 U JP 7120189U JP 7120189 U JP7120189 U JP 7120189U JP H0310052 U JPH0310052 U JP H0310052U
- Authority
- JP
- Japan
- Prior art keywords
- idle
- voltage change
- rotation speed
- control valve
- opening
- 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
- 238000002485 combustion reaction Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の構成を示すブロツク図、第２
図は本考案の一実施例を示すシステム概略図、第
３図は同上実施例における電圧変化時の制御内容
を示すフローチヤート、第４図は同上実施例にお
ける制御特性を説明するためのタイムチヤート、
第５図はアイドル制御弁の積分制御における操作
量の切換え特性を示す線図、第６図は従来のアイ
ドル回転速度制御の問題点を説明するためのタイ
ムチヤートである。
１……機関、３……スロツトル弁、４……補助
空気通路、５……アイドル制御弁、６……コント
ロールユニツト、７……駆動回路、８……クラン
ク角センサ、９……車速センサ、１０……アイド
ルスイツチ、１１……ニユートラルスイツチ、１
２……水温センサ、１３……バツテリ。
Figure 1 is a block diagram showing the configuration of the present invention;
The figure is a system schematic diagram showing one embodiment of the present invention, FIG. 3 is a flowchart showing the control contents when the voltage changes in the above embodiment, and FIG. 4 is a time chart for explaining the control characteristics in the above embodiment. ,
FIG. 5 is a diagram showing switching characteristics of the manipulated variable in integral control of the idle control valve, and FIG. 6 is a time chart for explaining problems in conventional idle rotation speed control. DESCRIPTION OF SYMBOLS 1... Engine, 3... Throttle valve, 4... Auxiliary air passage, 5... Idle control valve, 6... Control unit, 7... Drive circuit, 8... Crank angle sensor, 9... Vehicle speed sensor, 10...Idle switch, 11...Neutral switch, 1
2...Water temperature sensor, 13...Battery.
Claims (1)
イパスする補助空気通路にアイドル制御弁を備え
、所定のアイドル運転条件で機関回転速度を目標
回転速度に近づけるように前記アイドル制御弁の
開度を比例積分制御する比例積分制御手段を備え
た内燃機関のアイドル回転速度制御装置において
、 機関に付設されたバツテリの電圧変化を検出す
る電圧変化検出手段と、 該電圧変化検出手段によりバツテリの電圧変化
が検出されたときから所定期間だけ前記電圧変化
に応じた補正値で前記アイドル制御弁の開度を補
正制御する開度補正手段と を設けたことを特徴とする内燃機関のアイドル
回転速度制御装置。[Claims for Utility Model Registration] An idle control valve is provided in an auxiliary air passage that bypasses a throttle valve installed in the intake system of an internal combustion engine, and the engine speed is controlled to approach the target rotation speed under predetermined idle operating conditions. An idle rotation speed control device for an internal combustion engine equipped with a proportional-integral control means for proportional-integral control of the opening degree of an idle control valve, comprising: a voltage change detection means for detecting a voltage change in a battery attached to the engine; an opening correction means for correcting and controlling the opening of the idle control valve with a correction value corresponding to the voltage change for a predetermined period after a battery voltage change is detected by the means. Idle rotation speed control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7120189U JPH0310052U (en) | 1989-06-20 | 1989-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7120189U JPH0310052U (en) | 1989-06-20 | 1989-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0310052U true JPH0310052U (en) | 1991-01-30 |
Family
ID=31608019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7120189U Pending JPH0310052U (en) | 1989-06-20 | 1989-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0310052U (en) |
-
1989
- 1989-06-20 JP JP7120189U patent/JPH0310052U/ja active Pending