JPS6133934U - Air fuel ratio control device - Google Patents
Air fuel ratio control deviceInfo
- Publication number
- JPS6133934U JPS6133934U JP11942184U JP11942184U JPS6133934U JP S6133934 U JPS6133934 U JP S6133934U JP 11942184 U JP11942184 U JP 11942184U JP 11942184 U JP11942184 U JP 11942184U JP S6133934 U JPS6133934 U JP S6133934U
- Authority
- JP
- Japan
- Prior art keywords
- air
- control device
- fuel ratio
- output
- value
- 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
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
圧の関係を示す図、第２図は酸素センサの温度変化に対
する内部抵抗と起電力変化を示す図、第３図ａ，ｂは酸
素センサを用いた気化器にょる空燃比制御システムおよ
び燃料噴射による空燃比制御システムの佛成図、第４図
ａ， ｂｙ ｃは酸素センサ出力の各種測定方法を示子
図、第５図は本考案一の一実施例の空燃比制御装置のコ
ントロールユニットの構成を示すブロック区、第９図は
酸素セン−、サの出力変化状態を示す図、第７図は酸素
センサ−の出力をサンプリングする状態を示す図、第８
図一はコントロールユニントの動作の流れを示すフロー
チャート、第９図および第１０′図はそれそれ酸素セン
サの出力抽出方法を示ザ図である。Figure 2 is a diagram showing the internal resistance and electromotive force change due to temperature change of the oxygen sensor. Figure 3 a and b are the air-fuel ratio control system and fuel injection using a carburetor using an oxygen sensor. Figures 4a and 4c are diagrams showing various methods of measuring the output of the oxygen sensor, and Figure 5 is a diagram of the control unit of the air-fuel ratio control system according to one embodiment of the present invention. 9 is a block diagram showing the configuration, FIG. 9 is a diagram showing the output change state of the oxygen sensor, FIG. 7 is a diagram showing the state of sampling the output of the oxygen sensor, and FIG. 8 is a diagram showing the state of sampling the output of the oxygen sensor.
FIG. 1 is a flowchart showing the flow of the operation of the control unit, and FIGS. 9 and 10' are diagrams each showing a method for extracting the output of the oxygen sensor.
Claims (4)
ンサと、該酸素センサの出力値を比較基準値とめ偏差を
コントロールユニットにて検出すると共に、該偏差に対
応して製御信号に基づいてエンジンに供給する混合気の
空燃比を制御する空燃托制御装置において、、前記酸素
センサの出力変化の最も大きい点の出力値を検出する検
出手段を設け、該出力値を前記比較基準値とすることを
特徴とすや空燃比制御装置。(1) Compare the output value of the oxygen sensor with the oxygen sensor that detects the concentration of gas components in the engine to a standard value, detect the deviation in the control unit, and respond to the deviation based on the control signal. The air-fuel mixture control device controls the air-fuel ratio of the air-fuel mixture supplied to the engine by means of a detection means for detecting an output value at a point where the output change of the oxygen sensor is the largest, and the output value is compared with the comparison reference value. An air-fuel ratio control device characterized by:
で検出する場合、前記酸素セレサの出力電圧変化の最も
大きい点の出力電圧を前記比岐基準値とすることを特徴
とする実用新案登録請求の範囲第１項記載の空燃比制御
装置。(2) Registration of a utility model characterized in that when the output of the oxygen sensor is detected by the electromotive force generated in the sensor, the output voltage at the point where the output voltage change of the oxygen selector is the largest is taken as the ratio reference value. An air-fuel ratio control device according to claim 1.
化で検出する場合、該内部抵抗の変化の最も大，きい点
における抵抗値を前記比較基準値とすることを特徴とす
る実用新案登録請求の範囲第１彌記載の空燃比制御装置
。(3)' Registration of a utility model characterized in that when the output of the oxygen sensor is detected by a change in the internal resistance value of the sensor, the resistance value at the point where the change in internal resistance is the largest is used as the reference value for comparison. An air-fuel ratio control device according to claim 1.
はずれる比較基準値を除外することを特徴とする実用新
案登録請求の範囲第１項記載の空燃比制御装置。 一(4) The air-fuel ratio control device according to claim 1, which is a registered utility model, and is characterized in that in order to make the comparison reference value the latest one, a comparison reference value that deviates from a set range is excluded. one
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11942184U JPS6133934U (en) | 1984-07-31 | 1984-07-31 | Air fuel ratio control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11942184U JPS6133934U (en) | 1984-07-31 | 1984-07-31 | Air fuel ratio control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6133934U true JPS6133934U (en) | 1986-03-01 |
Family
ID=30678295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11942184U Pending JPS6133934U (en) | 1984-07-31 | 1984-07-31 | Air fuel ratio control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6133934U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54162023A (en) * | 1978-06-13 | 1979-12-22 | Nippon Soken Inc | Air fuel ratio controller |
| JPS5523338A (en) * | 1978-08-03 | 1980-02-19 | Nippon Denso Co Ltd | Air-fuel-ratio controller |
| JPS56129740A (en) * | 1980-03-17 | 1981-10-12 | Isuzu Motors Ltd | Air-fuel ratio controlling system |
| JPS57135243A (en) * | 1981-02-17 | 1982-08-20 | Fuji Heavy Ind Ltd | Air-fuel ratio controller |
-
1984
- 1984-07-31 JP JP11942184U patent/JPS6133934U/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54162023A (en) * | 1978-06-13 | 1979-12-22 | Nippon Soken Inc | Air fuel ratio controller |
| JPS5523338A (en) * | 1978-08-03 | 1980-02-19 | Nippon Denso Co Ltd | Air-fuel-ratio controller |
| JPS56129740A (en) * | 1980-03-17 | 1981-10-12 | Isuzu Motors Ltd | Air-fuel ratio controlling system |
| JPS57135243A (en) * | 1981-02-17 | 1982-08-20 | Fuji Heavy Ind Ltd | Air-fuel ratio controller |
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