为了满足不同生产实际的需要,介绍了利用单片机实现的空气干燥器控制仪的基本组成和工作原理,重点介绍了温度测量和A/ D 转换方法,进一步指出了提高测量准确度的途径。经实际应用表明,各项指标满足控制要求。 关键词: 单片机; 温度传感器; A/ D 转换 Abstract : For the need of different production ,the basic formulation and working principle for the air drying ap2 paratus controlling meter are introduced ,with the emphasis on temperature measure and A/ D convert method , furthermore the method of lifting measure accuracy is described. The application proves that the control demands are met . Key words : single chip processor ; temperature sensor ; A/ D convert