针对中国人民银行某支行原有中央空调非智能控制和不节能缺陷,设计了一套中央空调智能群控节能系统。系统选择PLC加变频器的电机调速,配合温度传感器和智能电动阀控制进出水,在原来控制柜的基础上改造线路,采用西门子Win CC触摸屏设计人机交互界面,实现中央空调控制系统各参数的设置和远程智能启动。通过运行表明,该系统能够实现智能控制并具有良好的节能效益,改造前后对比,日节电率达到37.01%,年节电费用为175 87.2元。
For a branch of People's Bank of China central air conditioning non-intelligent control and using no power conservation defects,a set of energy-efficient central air-conditioning intelligent group control the system is designed. The PLC and the drive motor speed are selected in this system. It can control to inlet and outlet the water with temperature sensors and intelligent electric valve. Through transforming the line in the original control cabinet,Siemens Win CC touch screen is used to design interactive interface for each parameter setting and remote smart Start of central air conditioning control system. By running,the result shows that the system can achieve intelligent control and have good energy efficiency. Compared with the original system,daily saving rate reaches 37. 01 percent,and annual saving cost is RMB17 587. 2.