JPS5947862U - Oxygen sensor heating control device - Google Patents
Oxygen sensor heating control deviceInfo
- Publication number
- JPS5947862U JPS5947862U JP14262782U JP14262782U JPS5947862U JP S5947862 U JPS5947862 U JP S5947862U JP 14262782 U JP14262782 U JP 14262782U JP 14262782 U JP14262782 U JP 14262782U JP S5947862 U JPS5947862 U JP S5947862U
- Authority
- JP
- Japan
- Prior art keywords
- heater
- control device
- oxygen sensor
- vehicle speed
- supply circuit
- 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
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Control Of Non-Electrical Variables (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
第１図は従来のリーンセンサ加熱装置の接続図、第２図
は本考案実施例の接続図、第３図はセンサ素子温度に関
するヒータの開閉を示す線図である。
１・・・・・・リーンセンサ、２・・・・・・センサ素
子、３・・・・・・電気ヒータ、４・・・・・・ヒータ
開閉器、１０・・・・・・開閉制御装置、１１・・・・
・・センサ素子温度入力端、１２・・・・・・点火スイ
ッチ開閉信号入力端、１３・・・・・・車速信号入力端
。FIG. 1 is a connection diagram of a conventional lean sensor heating device, FIG. 2 is a connection diagram of an embodiment of the present invention, and FIG. 3 is a diagram showing opening and closing of the heater with respect to sensor element temperature. 1...Lean sensor, 2...Sensor element, 3...Electric heater, 4...Heater switch, 10...Opening/closing control Device, 11...
...Sensor element temperature input terminal, 12...Ignition switch open/close signal input terminal, 13...Vehicle speed signal input terminal.
Claims (1)
されて排気ガスの酸素濃度に比例する出力を発生する酸
素センサにおいて、ヒータの通電を制御する開閉制御装
置が、センサ素子温度、点火スイッチの開閉状態および
車速に関係する信号により制御されて、特定値以下の車
速では第１の特定値以下のセンサ素子温度でヒータの給
電回路を閉じ、また第１の特定値より高い温度でヒータ
の給電回路を開き、特定値以上の車速ではセンタ素子温
度に関係なくヒータの給電回路を開くことを特徴とする
、酸素センサの加熱制御装置。In an oxygen sensor that is installed in the exhaust pipe of an internal combustion engine and is heated by an electric heater to generate an output proportional to the oxygen concentration of the exhaust gas, an opening/closing control device that controls the energization of the heater controls the temperature of the sensor element and the opening/closing of the ignition switch. controlled by a signal related to the state and vehicle speed to close the heater supply circuit at a sensor element temperature below a first particular value at a vehicle speed below a specific value and to close the heater supply circuit at a temperature higher than the first specific value. A heating control device for an oxygen sensor, which opens a heater power supply circuit regardless of the center element temperature when the vehicle speed exceeds a certain value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14262782U JPS5947862U (en) | 1982-09-22 | 1982-09-22 | Oxygen sensor heating control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14262782U JPS5947862U (en) | 1982-09-22 | 1982-09-22 | Oxygen sensor heating control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5947862U true JPS5947862U (en) | 1984-03-30 |
| JPH0219728Y2 JPH0219728Y2 (en) | 1990-05-30 |
Family
ID=30318636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14262782U Granted JPS5947862U (en) | 1982-09-22 | 1982-09-22 | Oxygen sensor heating control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5947862U (en) |
-
1982
- 1982-09-22 JP JP14262782U patent/JPS5947862U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0219728Y2 (en) | 1990-05-30 |
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