基于PLC的地源热泵空调控制系统  

The Control System of Ground-Source Heat Pump Air Conditioning based on PLC

作　　者：王帅[1] 张天开[1] 周红丽[1] 

机构地区：[1]青岛理工大学自动化学院,青岛266033

出　　处：《微计算机信息》2010年第7期73-74,103,共3页Control & Automation

摘　　要：本文介绍了以地源为能源,以可编程逻辑控制器(PLC)为控制系统核心,并用触摸屏对运行状况进行观测、调节的地源热泵空调控制系统。该控制系统采用先进的控制方案,利用室内外大气温度、湿度、压力等数据计算出当前的焓值来确定系统所处的工况,实现对热泵机组、循环水泵等等的运行控制,同时系统根据水源侧循环水的温度、压力调节水流流量,根据负荷侧空调使用情况调节运行状态,以此实现整个系统的节能和高效。Ground-Source Heat Pump Air Conditioning Control System is introduced which uses ground-source as the energy,PLC as the core of control system and the touch screen to observe,regulate and control the it.This system calculates the enthalpy to decide operating mode,according to the temperature,humidity,atmospheric pressure in the room and outside.It adjusts operating mode according to the flow rate,temperature,pressure of circulating water.At the same time it changes the operating mode based on the use of the air condition.In a word,it is an efficiency,energy-saving and intelligent system.

关 键 词：可编程逻辑控制器 触摸屏 地源热泵 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]