摘要
介绍微机控制测温装置的工作原理、软件和硬件。该装置采用查表和插值相结合,实现传感器的线性化,并采取完善的电磁兼容措施,较好地完成现场测试。经过误差分析,本装置精度不低于0.5级。
Working principles,software and hardware are introduced of temperature measuring device centrolled by microprocessor,combining table-consult and interpolation, linearization of sensor achieved,and perfect electromagnetic compatibility adopted to well accomplish on-the-spot testing . By error analysis, precision is not lower than 0.5 grade.
关键词
电力变压器
温升测试装置
微机
power transformer , temperature measuement, electromagnetic compatibility , single-board microcomputer , error analysis.
