JPS6061654U - Oxygen sensor heater control device - Google Patents
Oxygen sensor heater control deviceInfo
- Publication number
- JPS6061654U JPS6061654U JP15407583U JP15407583U JPS6061654U JP S6061654 U JPS6061654 U JP S6061654U JP 15407583 U JP15407583 U JP 15407583U JP 15407583 U JP15407583 U JP 15407583U JP S6061654 U JPS6061654 U JP S6061654U
- Authority
- JP
- Japan
- Prior art keywords
- heater
- oxygen sensor
- control device
- temperature
- calculates
- 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
- Control Of Temperature (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
- 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
第１図は従来の酸素センサのヒータ制御装置を示す要部
構成図、第２図は本考案の一実施例を示す要部構成図で
ある。
１・・・・・・酸素センサ、２・・・・・・酸素濃度検
出用素子部、３・・・・・・ヒータ、１５・・・・・・
ヒータ状態検出手段、１６・・・・・・センサ温度演算
手段、１７・・・・・・通電制御回路。FIG. 1 is a block diagram of main parts showing a conventional heater control device for an oxygen sensor, and FIG. 2 is a block diagram of main parts showing an embodiment of the present invention. 1... Oxygen sensor, 2... Oxygen concentration detection element section, 3... Heater, 15...
Heater state detection means, 16...Sensor temperature calculation means, 17...Electrification control circuit.
Claims (1)
通電により素子部の活性状態を適切に維持するヒータと
を有する酸素センサと、ヒータに供給される電流と印加
電圧に基づいてヒータの抵抗および発熱量を演算するヒ
ータ状態検出手段と、ヒータの抵抗に基づいてヒータの
発熱温度を演算し、この発熱温度と前記発熱量から酸素
濃度検出用素子部の温度を算出して温度信号を出力する
センサ温度演算手段と、温度信号に基づいてヒータへの
通電を制御する通電制御回路と、を備えたことを特徴と
する酸素センサのヒータ制御装置。An oxygen sensor having an element part for detecting oxygen concentration, a heater disposed close to the element part and maintaining the active state of the element part appropriately by energization; A heater state detection means that calculates the resistance and calorific value of the heater, and a heater state detecting means that calculates the heating temperature of the heater based on the resistance of the heater, and calculates the temperature of the oxygen concentration detection element from this heating temperature and the calorific value. 1. A heater control device for an oxygen sensor, comprising: a sensor temperature calculation means that outputs a signal; and an energization control circuit that controls energization to the heater based on the temperature signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15407583U JPS6061654U (en) | 1983-10-03 | 1983-10-03 | Oxygen sensor heater control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15407583U JPS6061654U (en) | 1983-10-03 | 1983-10-03 | Oxygen sensor heater control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6061654U true JPS6061654U (en) | 1985-04-30 |
Family
ID=30340691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15407583U Pending JPS6061654U (en) | 1983-10-03 | 1983-10-03 | Oxygen sensor heater control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6061654U (en) |
-
1983
- 1983-10-03 JP JP15407583U patent/JPS6061654U/en active Pending
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