• 基于空氣焓值的變風量空調冷量計量
    《中國測試》雜志社邢麗娟, 楊世忠

    邢麗娟, 楊世忠
    (青島理工大學自動化工程學院,山東 青島 266520)
    摘  要:根據變風量空調系統的運行特點,以空氣焓值為依據,通過新風、送風和回風的焓值來計算用戶的冷量消耗進而解決變風量中央空調的準確分戶計量。該文在準確性和公平性的前提下,為滿足實際工程經濟性的要求,給出焓值測量的不同方案。計量理論明確,可操作性強,為變風量空調系統分戶計量提供一種合理的方法。
    關鍵詞:變風量空調系統;冷量計量;焓值;測量方案
    中圖分類號:TM925.12;TB94;TP273;TB61+1        文獻標志碼:A       文章編號:1674-5124(2013)04-0018-04
    Cool capacity metering based on air vnthalpy in VAV air conditioning system
    XING Li-juan, YANG Shi-Zhong
    (College of Automation Engineering,Qingdao Technological University,Qingdao 266520,China)
    Abstract: Since there are some defects in the present metering theory, good solution of accurate household metering of the variable air volume (VAV) in central air conditioning has not been found yet. According to the characteristics of the VAV air conditioning system and taking air enthalpy value as the basis, the cool capacity metering has been calculated with the enthalpy of the fresh air, return air and the supply air. On the basis of accuracy and fairness, different measurement solutions were designed to meet the requirements of the economy in engineering practice. The proposed measurement method provides a reasonable method and can be easily applied to the VAV air conditioning system with high operability and sound theoretical support.
    Key words: variable air volume air conditioning system; cool capacity metering; enthalpy; measurement solution
     
     
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