| Popis: |
A mass of data is collected into energy management system for the primary purpose of energy saving and emission reduction. The efficiency and accuracy of entire energy management system totally depends on the originality and instantaneity of the data acquisition system. Thus, the importance of data acquisition system in energy management system is self-evident. However, traditional manual meter reading method is not only time-consuming and inconvenient, but also lack of real-time. To solve this problem, this paper designs an energy consumption data acquisition system based on embedded system. The control center of this system is based on Raspberry Pi with embedded Linux operating system to manage the working process of this system including data acquisition, data analysis, data transmission and data storage. This paper mainly presents the hardware structure and the software design of the system. Actual energy consumption data of Beijing Government Affairs Service Center shows that the error rate of this system is less than 0.1% with low upload failure rate when the amount of acquisition point is more than one thousand. The system provides basic data on time for the monitor platform to do statistical and predictive analysis. |
