徐清祥1，王华杰2，刘国栋2，徐长科2，纪少波1
1.胜利油田胜利动力机械集团有限公司;2.潍柴动力股份有限公司；3.山东大学能源与动力工程学院
摘要：本文开发了一套柴油机状态监测仪，仪器由传感器、信号调理电路、单片机、外围电路、通讯电路、无线传输模块及智能显示模块组成。该系统能够实现对12路热电偶、1路压差、机油温度、密度、粘度及介电常数等信号进行采集和处理。处理后的数据可以通过智能显示模块、485总线及无线传输模块等方式实现显示和传输。系统可以方便的设置各监测参数的报警限值，当测试结果超过限值时，系统可以发出声光报警。通过实验对系统的功能进行了测试，结果表明系统功能完善、可靠性高，能够满足实际应用的需要。
关键词：柴油机状态监测；排气温度、机油性能测试
Abstract: An integrated diesel engine condition monitoring is introduced in this paper. This instrument consists of sensors, a signal conditioning circuit, a single-chip microcomputer and a peripheral circuit, a communication circuit, a wireless transmission module and an intelligent display module. The system can collect and process signals of 12 thermocouples, 1-way pressure difference as well as oil temperature, density, viscosity and dielectric constant signals. Processed data can display and transmit by the display module, and the 485 bus and wireless transmission module. Limit parameters can be easily set via this system. When the test results are higher than the limit values, the alarm will sound. Experiment results show that the system has a perfect function like high reliability, satisfying practical application.
Key Word: Diesel Engine Condition Monitoring; Exhaust Gas Temperature; Oil Properties Test
