在线检测电气设备的电能消耗是节约用电的前题,可供企业及时对薄弱环节,采取相应措施,降低能耗,提高效益.本文介绍了电能消耗数据处理装置的工作原理、系统构成、硬件设计和软件系统.文中还根据作者所从事的工作,绘出了数据通道板的具体线路,可供有关同志参考. On-line detection of electrical equipment power consumption is the prerequisite of saving electricity, for enterprises in a timely manner on the weak links, take appropriate measures to reduce energy consumption and improve efficiency.This paper describes the power consumption data processing device working principle, system architecture, hardware Design and software system.According to the author’s work, the article draws a specific line of data channel board, for the comrades for reference.