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变风量空调系统VAV(即Variable Air Volume英文缩写)是以节能为目的发展起来的一种空调系统形式,其实质是保持空调的送风温度,根据空调房间内实际负荷的变化来调节空调送风量,从而达到控制房间温度的目的。随着暖通技术和自动控制技术的发展,变风量系统在实际工程中得到了越来越多的应用。本文以中国人寿大厦为例介绍了变风量空调系统的发展史、变风量空调系统的结构、变风量空调系统的工作原理及控制、以及变风量空调系统相对于其他空调系统的优势及不足。并结合智能大厦内变风量系统介绍了系统运行状况。
Variable air volume air-conditioning system VAV (Variable Air Volume abbreviation) is to develop energy-saving air conditioning system for the purpose of a form of its essence is to maintain air-conditioned air supply temperature, air conditioning room according to the actual load changes to adjust the air-conditioning air supply Volume, so as to achieve the purpose of controlling the room temperature. With the development of HVAC technology and automatic control technology, VAV system has been more and more applied in practical engineering. This article takes China Life Building as an example to introduce the development history of VAV air conditioning system, the structure of VAV air conditioning system, the working principle and control of VAV air conditioning system, and the advantages and disadvantages of VAV air conditioning system relative to other air conditioning systems. Combined with the intelligent building variable air volume system introduced the system health.