基于红外技术的滚动轴承温度场测量系统  

Temperature Field Measurement System for Rolling Bearings Based on Infrared Technology

作　　者：李艳超 杨兵华 刘欢 满维伟 LI Yanchao;YANG Binghua;LIU Huan;MAN Weiwei(Helicopter Transmission Technology Key Laboratory,AECC Hunan Aviation Powerplant Research Institute,Zhuzhou 412002,China)

机构地区：[1]中国航发湖南动力机械研究所,直升机传动技术重点实验室,湖南株洲412002

出　　处：《轴承》2020年第9期63-66,共4页Bearing

摘　　要：根据航空发动机轴承温度场的测量需求,提出了采用红外技术的温度场测量方法。首先,分析了现有测试方法及其存在的问题;然后,基于红外技术设计了滚动轴承温度场分布测量系统,该系统包含红外测温系统、在线校准系统和报警保护系统3个子系统;最后,通过航空发动机轴承试验验证了该系统的可行性和有效性,结果表明该系统能够直观、快速、准确地呈现滚动轴承的温度场分布。According to measurement requirement of temperature field for aero-engine bearings,a temperature field measurement method using infrared technology is proposed.Firstly,the current measurement methods and existing problems are analyzed.Then the temperature field distribution measurement system for rolling bearings is designed based on infrared technology.The system consists of three subsystems:infrared temperature measurement system,online calibration system and alarm protection system.Finally,the feasibility and effectiveness of the system are verified by aero-engine bearing test.The results show that the system presents temperature field distribution of rolling bearings intuitively,quickly and accurately.

关 键 词：滚动轴承 航空发动机 温度场 热红外 无损检测 

分 类 号：TH133.33[机械工程—机械制造及自动化] TN219[电子电信—物理电子学]