摘要
在高速滑动电接触过程中，接触表面会产生焦耳热、电弧等电气现象，导致接触温度发生突变，而温度是接触材料的导电性能及磨擦磨损的重要影响因素之一。提出了一种瞬态高温测量方法，用于测量高速滑动接触瞬间产生的温度变化。基于红外辐射原理，考虑大电流条件下的强电磁场测量环境，设计了相应的测量系统，主要包括光纤测温探头、隔离模块和高速采集模块。用黑体炉对该系统进行了标定，在高速滑动试验机上对该系统性能进行了实验验证，结果表明，该系统可对600℃~2000 ℃温度范围进行非接触有效测量，精度高、响应时间短，适用于高速滑动电接触等特殊环境下的瞬态高温测量。
In the process of high speed sliding electrical contact, the contact surface will produce electric phenomenon such as joule heat, arc, etc., that will lead to contact temperature mutations. Temperature is one of the key factors of the materials′ conductivity and friction and wear. In order to measure the instant changes in temperature of high speed sliding contact, a transient temperature measurement method is proposed. A measurement system is designed based on the principle of infrared radiation in view of the high voltage and large current environment. This system contains optical fiber temperature measuring probe, isolation module and high-speed data acquisition module. Calibration experiment is performed with blackbody furnace, and verification experiment on the performance of the system is performed in the high-speed sliding experimental machine. The results show that the system′s effective temperature range for non-contact measurement can be 600 ℃~2000 ℃, and it has high accuracy and short response time. It is suitable for transient high temperature measurement such as the special environment of high speed sliding electrical contact.
出处
《光学学报》
EI
CAS
CSCD
北大核心
2013年第11期96-100,共5页
Acta Optica Sinica
基金
河北省自然科学基金(F2012203184)
高等学校博士学科点专项科研基金(20111333120009)
关键词
测量
光谱学
瞬态高温测量
红外辐射
高速滑动电接触
measurement
spectroscopy
transient high temperature measurement
infrared radiation
high speedsliding electrical contact
作者简介
作者简介：张玉燕（1976-），女，博士，副教授，主要从事光电检测、光纤传感等方面的研究。E—mail：yyzhang@ysu．edu．cn
