JPH01144449U - - Google Patents
Info
- Publication number
- JPH01144449U JPH01144449U JP4029388U JP4029388U JPH01144449U JP H01144449 U JPH01144449 U JP H01144449U JP 4029388 U JP4029388 U JP 4029388U JP 4029388 U JP4029388 U JP 4029388U JP H01144449 U JPH01144449 U JP H01144449U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection amount
- fail
- safe
- abnormality
- 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
- 239000000446 fuel Substances 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 230000005856 abnormality Effects 0.000 claims 3
- 238000002485 combustion reaction Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- 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機能ブロツク図、
第２図は本考案の一実施例を示すシステム図、第
３図は演算処理内容を示すフローチヤートである
。
１……機関、５……スロツトル弁、６……燃料
噴射弁、８……補助空気弁、１３……エアコン、
１４……コンプレツサ、２１……エアコンスイツ
チ、２２……コントロールユニツト、２３……ス
ロツトルセンサ、２４……クランク角センサ、２
５……車速センサ。
Figure 1 is a functional block diagram showing the configuration of the present invention.
FIG. 2 is a system diagram showing an embodiment of the present invention, and FIG. 3 is a flowchart showing the contents of arithmetic processing. 1... Engine, 5... Throttle valve, 6... Fuel injection valve, 8... Auxiliary air valve, 13... Air conditioner,
14... Compressor, 21... Air conditioner switch, 22... Control unit, 23... Throttle sensor, 24... Crank angle sensor, 2
5...Vehicle speed sensor.
Claims (1)
基づいて燃料噴射弁による燃料噴射量を制御する
燃料噴射量制御手段と、スロツトル弁開度検出手
段の異常を検出する異常検出手段と、異常検出時
に前記燃料噴射量制御手段に代えて燃料噴射弁に
よる燃料噴射量を制御するフエイルセイフ手段と
を備えてなる内燃機関の電子制御装置であつて、
エアコンの作動時に補助空気量を増大させるアイ
ドルアツプ装置を備えるものにおいて、 前記フエイルセイフ手段として、機関回転数と
車速とから燃料噴射量を設定するフエイルセイフ
用燃料噴射量設定手段と、エアコンの作動を検出
して燃料噴射量を増量補正する補正手段とを設け
たことを特徴とする内燃機関の電子制御装置のフ
エイルセイフ装置。[Scope of Claim for Utility Model Registration] An abnormality that detects an abnormality in the fuel injection amount control means that controls the fuel injection amount by the fuel injection valve based on at least the throttle valve opening degree and the engine speed, and the throttle valve opening degree detection means. An electronic control device for an internal combustion engine, comprising a detection means and a failsafe means for controlling the fuel injection amount by the fuel injection valve in place of the fuel injection amount control means when an abnormality is detected,
In a vehicle equipped with an idle up device that increases the amount of auxiliary air when the air conditioner is activated, the fail-safe means includes a fail-safe fuel injection amount setting device that sets the fuel injection amount based on engine speed and vehicle speed, and a fail-safe fuel injection amount setting device that detects the operation of the air conditioner. 1. A fail-safe device for an electronic control device for an internal combustion engine, comprising a correction means for increasing the fuel injection amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4029388U JPH0643481Y2 (en) | 1988-03-29 | 1988-03-29 | Fail-safe device for electronic control unit of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4029388U JPH0643481Y2 (en) | 1988-03-29 | 1988-03-29 | Fail-safe device for electronic control unit of internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01144449U true JPH01144449U (en) | 1989-10-04 |
| JPH0643481Y2 JPH0643481Y2 (en) | 1994-11-14 |
Family
ID=31266765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4029388U Expired - Lifetime JPH0643481Y2 (en) | 1988-03-29 | 1988-03-29 | Fail-safe device for electronic control unit of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0643481Y2 (en) |
-
1988
- 1988-03-29 JP JP4029388U patent/JPH0643481Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0643481Y2 (en) | 1994-11-14 |