Research on output characteristics of variable frequency oxygen sensor

JIAN Jia-wen; SHEN Jie; ZHANG Dong-xing

doi:10.13873/j.1000-97872010.01.016

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Research on output characteristics of variable frequency oxygen sensor

更新时间：2025-09-11

- Research on output characteristics of variable frequency oxygen sensor
- Vol. 29, Issue 1, Pages: 9-11(2010)
- 作者机构：
  
  宁波大学信息科学与工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872010.01.016
  CLC： TP212
- Published：2010
- 稿件说明：
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[1]简家文,沈杰,章东兴.变频式氧传感器输出特性的研究[J].传感器与微系统,2010,29(01):9-11.

JIAN Jia-wen, SHEN Jie, ZHANG Dong-xing. Research on output characteristics of variable frequency oxygen sensor[J]. 2010, 29(1): 9-11.
[1]简家文,沈杰,章东兴.变频式氧传感器输出特性的研究[J].传感器与微系统,2010,29(01):9-11. DOI： 10.13873/j.1000-97872010.01.016.

JIAN Jia-wen, SHEN Jie, ZHANG Dong-xing. Research on output characteristics of variable frequency oxygen sensor[J]. 2010, 29(1): 9-11. DOI： 10.13873/j.1000-97872010.01.016.

摘要

介绍了一种新式氧化锆固体电解质变频式氧传感器

其结构由敏感电池和氧泵两部分复合构成。理论推导在浓差电势E1

2范围的响应时间t与被测氧分压p1呈正比关系。实验测试数据显示:在保持浓差电势E1

E2在均不超过200 mV的范围时

时间t与被测氧分压p1之间的确呈现出非常好的正比关系

线性相关系数R均大于0.986。但当电势E1

E2超过200mV后

实验结果却与理论严重不符。经过初步分析

当浓差电势超过一定值后

空腔内的较低氧分压改变了固体电解质性质

使氧泵的电导率发生了变化导致理论推导的偏差。

Abstract

A new type of variable frequency oxygen sensor of zirconia solid electrolyte

whose structure is made of sensitive cell and oxygen pump

is introduced.In theory

the response time（t）is proportional to the measured oxygen pressure p1 varies from E1 to E2 of concentration voltage.The detailed experiment data show that the relation of the response time t with the measured oxygen pressure p1 is direct proportional when keeping the concentration voltage E1 and E2 under 200 mV.However

the result of experiment disaccords with theoretic formula when the concentration voltage E1 and E2 exceed 200 mV.Through preliminary analysis

it predicts that the conductance of zirconia solid electrolyte is changed by low oxygen pressure inside chamber when the concentration voltage E1 and E2 exceed 200 mV

which brings the deviation of theoretic derivation.

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references

汽车用氧传感器的工作原理及其应用 [J]. 简家文,杨邦朝,张益康. 传感器技术 . 2002(03)

氧传感器的原理与进展 [J]. 杨邦朝,简家文,段建华,张益康. 传感器世界 . 2002(01)

ZrO 2 固体电解质及测氧传感器 [J]. 徐永利,张永安,陈汴琨,徐跃明,李彦. 传感器世界 . 1997(09)

极限电流型氧传感器的实验研究 [J]. 唐绍铧,梁厚蕴,刘庆国. 硅酸盐学报 . 1992(03)

Review on zirconia air-fuel ratio sensors for automotive applications [J] . Jong-Heun Lee. Journal of Materials Science . 2003 (21)

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