基于C8051F310的内燃机活塞温度场测试系统

摘要

介绍了由C8051F310单片机组成的温度场测试系统,提出了高速运动状态下测量发动机活塞温度场的方法,利用热电测量原理和无线传输技术,实现了活塞表面多点温度的同时测量.详细阐述了测试系统的硬件电路设计和程序设计,在某活塞温度场测量中的应用表明,该系统具有较高的测试精度和可靠性.%A temperature field measuring system composed of C8051F310 was introduced. Under high-speed rotating conditions, the method of measuring engine piston temperature field was proposed. Using the wireless transmission technology of thermocouple measurement principle, the simultaneous measuring of multi-piont temperature on piston surface was realized.The design for hardware circuit and program of measuring system was demonstrated in detail. Finally, the application of the system in some piston temperature field measurement showed high accuracy and reliability.