JPS6218659U - - Google Patents
Info
- Publication number
- JPS6218659U JPS6218659U JP11040085U JP11040085U JPS6218659U JP S6218659 U JPS6218659 U JP S6218659U JP 11040085 U JP11040085 U JP 11040085U JP 11040085 U JP11040085 U JP 11040085U JP S6218659 U JPS6218659 U JP S6218659U
- Authority
- JP
- Japan
- Prior art keywords
- fuel ratio
- air
- current
- pump current
- oxygen sensor
- 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
- 239000000446 fuel Substances 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 230000002596 correlated effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 4
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の基本概念図、第２〜４図は本
考案に係る空燃比検出装置の第１実施例を示す図
であり、第２図はその全体構成図、第３図はその
出力電圧変換器の回路図、第４図はその空燃比と
検出電圧との関係を示す図、第５図は本考案に係
る空燃比検出装置の第２実施例を示すその出力電
圧変換器の回路図、第６〜９図は従来の空燃比検
出装置を示す図であり、第６図はその酸素センサ
の分解斜視図、第７図はその酸素センサの断面図
、第８図はその全体構成図、第９図はその空燃比
と検出電圧との関係を示す図である。
１６……酸素センサ、４５……電流供給手段、
｛Ｒ２……抵抗、４６，５１……出力電圧変換器
、｝（判別手段および空燃比検出手段）。
Figure 1 is a basic conceptual diagram of the present invention, Figures 2 to 4 are diagrams showing the first embodiment of the air-fuel ratio detection device according to the present invention, Figure 2 is its overall configuration diagram, and Figure 3 is its A circuit diagram of the output voltage converter, FIG. 4 is a diagram showing the relationship between the air-fuel ratio and detected voltage, and FIG. 5 is a circuit diagram of the output voltage converter showing the second embodiment of the air-fuel ratio detection device according to the present invention. Circuit diagrams, Figures 6 to 9 are diagrams showing a conventional air-fuel ratio detection device, Figure 6 is an exploded perspective view of the oxygen sensor, Figure 7 is a sectional view of the oxygen sensor, and Figure 8 is the entire device. The configuration diagram, FIG. 9, is a diagram showing the relationship between the air-fuel ratio and the detected voltage. 16... Oxygen sensor, 45... Current supply means,
{R2...resistor, 46, 51...output voltage converter,} (discrimination means and air-fuel ratio detection means).
Claims (1)
供給される酸素センサと、 (b) 酸素センサにポンプ電流を供給する電流供
給手段と、 (c) ポンプ電流の値から現酸素濃度が所定空燃
比を境とする何れの領域に属するかを判別する判
別手段と、 (d) 判別領域のそれぞれに対応する所定の電圧
変換率でポンプ電流を電圧に変換して空燃比を算
出する空燃比検出手段と、 を備えたことを特徴とする空燃比検出装置。[Scope of Claim for Utility Model Registration] (a) An oxygen sensor to which a pump current correlated to the oxygen concentration in exhaust gas is supplied, (b) A current supply means for supplying a pump current to the oxygen sensor, and (c) A pump current. (d) determining means for determining to which region of a predetermined air-fuel ratio the current oxygen concentration belongs based on the value of; An air-fuel ratio detecting device comprising: an air-fuel ratio detecting means for calculating an air-fuel ratio based on the air-fuel ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11040085U JPS6218659U (en) | 1985-07-17 | 1985-07-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11040085U JPS6218659U (en) | 1985-07-17 | 1985-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6218659U true JPS6218659U (en) | 1987-02-04 |
Family
ID=30989365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11040085U Pending JPS6218659U (en) | 1985-07-17 | 1985-07-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6218659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7802463B2 (en) | 2007-10-11 | 2010-09-28 | Ngk Spark Plug Co., Ltd. | Sensor control device and air fuel ratio detecting apparatus |
-
1985
- 1985-07-17 JP JP11040085U patent/JPS6218659U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7802463B2 (en) | 2007-10-11 | 2010-09-28 | Ngk Spark Plug Co., Ltd. | Sensor control device and air fuel ratio detecting apparatus |
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