基于环境质量的变风量空调系统节能策略

随着人们对室内环境质量要求的不断提高,中央空调系统就要在满足室内环境质量的基础上来实现节能高效运行。本文从影响室内环境质量的舒适度和空气品质两方面进行分析。依据预测平均投票数（PMV）实现房间温度再设置来满足舒适度;将室内二氧化碳（CO2）浓度作为影响空气品质的主要因素,提出减少新风量需求的节能策略。文中以变风量空调系统为例,对上述两种节能策略进行实验验证。实验结果表明,该节能策略既可以保证环境质量的要求,又能使变风量空调系统节能运行。

The Energy Conservation Strategy of Variable Air Volume Air Conditioning System Based on Environmental Quality

With the increasing requirement to the indoor environment quality, the central air conditioning systems should achieve energy efficient operation to meet indoor environmental quality. The article analyses the impacts of comfort index and air quality to indoor environmental quality. It uses the predicted mean vote （PMV） as the basis of room comfort to reset room temperature and uses the indoor carbon dioxide （CO2） concentration as the main factors affecting the air quality, puts forward energy conservation strategy to reduce the demand of fresh air volume. This article takes VAV system for example, verifies on both of the above two kinds of energy saving strategy. The results show that the energy conservation strategy can ensure the quality of environmental requirements, as well as make the VAV air conditioning system energy savin~ operation.