JPS62117563U - - Google Patents
Info
- Publication number
- JPS62117563U JPS62117563U JP509686U JP509686U JPS62117563U JP S62117563 U JPS62117563 U JP S62117563U JP 509686 U JP509686 U JP 509686U JP 509686 U JP509686 U JP 509686U JP S62117563 U JPS62117563 U JP S62117563U
- Authority
- JP
- Japan
- Prior art keywords
- heater
- engine load
- predetermined value
- oxygen sensor
- energization
- 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 238000013021 overheating Methods 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の一実施例を示す概略構成図、
第２図は第１図の実施例の作用を示すフローチヤ
ートである。
２…エアフロメータ、４…可動接点片、８…可
変抵抗、１０，１２…電源、１４…スイツチ、１
６…制御回路、１８…可動片、２０…ヒータ付酸
素センサ。
FIG. 1 is a schematic configuration diagram showing an embodiment of the present invention;
FIG. 2 is a flowchart showing the operation of the embodiment shown in FIG. 2... Air flow meter, 4... Movable contact piece, 8... Variable resistor, 10, 12... Power supply, 14... Switch, 1
6... Control circuit, 18... Movable piece, 20... Oxygen sensor with heater.
Claims (1)
付酸素センサを備えた内燃機関において、エンジ
ン負荷が所定値以上か否か判定するエンジン負荷
判定手段と、エンジン負荷が所定値以上の場合に
該ヒータの通電を停止する第１通電停止手段と、
エンジン負荷に応じて移動する可動片と、エンジ
ン負荷が前記所定値あるいは所定値近傍になつた
とき前記可動片によつて作動され該ヒータへの通
電を停止する第２通電停止手段とを設けたことを
特徴とするヒータ付酸素センサの過加熱防止装置
。 In an internal combustion engine equipped with an oxygen sensor with a heater that heats the oxygen sensor by supplying electricity to the heater, an engine load determination means for determining whether the engine load is equal to or higher than a predetermined value; a first energization stopping means for stopping energization;
A movable piece that moves according to the engine load, and a second energization stopping means that is actuated by the movable piece and stops energizing the heater when the engine load reaches the predetermined value or near the predetermined value. An overheating prevention device for an oxygen sensor with a heater, which is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP509686U JPS62117563U (en) | 1986-01-20 | 1986-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP509686U JPS62117563U (en) | 1986-01-20 | 1986-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62117563U true JPS62117563U (en) | 1987-07-25 |
Family
ID=30786362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP509686U Pending JPS62117563U (en) | 1986-01-20 | 1986-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62117563U (en) |
-
1986
- 1986-01-20 JP JP509686U patent/JPS62117563U/ja active Pending