XIE Sheng-qiu, CHENG Zhen-qian, REN Jian, et al. Thermo dynamic analysis and structural optimization on limiting current oxygen sensor[J]. 2017, 36(5): 29-32+35. DOI: 10.13873/j.1000-9787(2017)05-0029-04.
极限电流型氧传感器热力学分析及结构优化
摘要
阐述正面开孔氧传感器的结构机理
并对特定结构的氧传感器进行了电热耦合分析
进而利用特定环境下传感器尺寸的仿真设计规律
对敏感芯体结构进行优化设计
并分析不同结构参数的敏感芯体热性能
优化敏感芯体的工作形状。对比电热耦合数值仿真分析与优化后的氧传感器测试结果
研究分析表明:施加2.2 W加热功率即可使氧传感器达到400
5
00℃的工作温度;特定工况环境下
对传感器封接层和敏感芯体厚度的多目标优化设计结果稳定、方法可靠。
Abstract
Structural mechanism of oxygen sensor with positive hole is expounded
and by electro thermal coupling analysis on oxygen sensor with specific structure is carried out
to optimize the design of sensitive core simulation design rules of sensor sizes
under specific environment
from analysis on thermal performances of sensitive core with different structural parameters
optimize working shape of sensitive core. Compare results of electric thermo coupling numerical simulation analysis on oxygen sensors with optimized test result of oxygen sensor
it shows that applying heating power of 2. 2 W can make the oxygen sensor reach to the working temperature of 400
500 ℃;under specific working condition
multi-target optimal design result of thickness sealing layer and the sensit
A Brief Overview on Automotive Exhaust Gas Sensors Based on Electroceramics [J] . RalfMoos. International Journal of Applied Ceramic Technology . 2005 (5)
Effect of electrode interface structure on the characteristics of a thin-film limiting current type oxygen sensor [J] . Takayuki Suzuki,Masato Kondo,Kaoru Ogino,Yoshiaki Ishiguro,Hideaki Takahashi. Sensors & Actuators: B. Chemical . 2005 (1)
Principles of solid state oxygen sensors for lean combustion gas control [J] . Electrochimica Acta . 2001 (5)
An integrated computer model for simulating electrothermomechanical interactions of an exhaust oxygen sensor [J] . David Te-yen Huang. Finite Elements in Analysis & Design . 2001 (8)
Oxygen sensing characteristics of limiting current-type sensors with microstructural and structural variations in diffusion barrier [J] . Jong-Heun Lee,Hoin Kim,Byung Ki Kim. Materials Letters . 1996 (1)