基于PLC的节能制冷系统设计  

Design of energy saving refrigeration system based on PLC

作　　者：李鹏鹏[1] LI Pengpeng(School of Mechanical and Electrical Engineering,Henan Vocational and Technical College,Zhengzhou 450046,China)

机构地区：[1]河南职业技术学院机电工程学院,河南郑州450046

出　　处：《中国高新科技》2021年第10期58-60,共3页

摘　　要：文章以某建筑物中央空调系统为例,分析了中央空调水系统的节能优化控制方法,讨论了利用西门子可编程控制器来实现对制冷系统压力、温度的控制、监控与报警等自动化控制。选用实际温度作为反馈信号,调节制冷的温度,提高系统的温度控制精度,延长系统的使用寿命,从而实现高效节能。制冷系统节能后的应用效果和经济效益得到了提高。Taking the central air conditioning system of a building as an example,this paper analyzes the energy saving optimization control method of the central air conditioning water system,and discusses the use of Siemens programmable controller to realize the automatic control of the pressure,temperature,monitoring and alarm of the refrigeration system.The actual temperature is used as the feedback signal to adjust the temperature of refrigeration,to improve the temperature control accuracy of the system,to prolong the service life of the system,and to realize high efficiency and energy saving.The application effect and economic benefit of refrigeration system after energy saving have been improved.

关 键 词：节能 PLC 控制 

分 类 号：TM571[电气工程—电器]