技术中心

【英文篇名】 Reliability analysis of central air conditioning systems 【作者中文名】 李春娥; 董华; 李丽; 张永全; 【作者英文名】 By Li Chun’e~; Dong Hua; Li Li and Zhang YongquanQingdao Technological University; Qingdao; Shandong Province; China; 【作者单位】 青岛理工大学; 中国建筑发展有限公司; 【文献出处】 暖通空调, Heating Ventilating 制冷系统; 可靠性; 故障模式; 故障树; 【英文关键词】 central air conditioning system; refrigeration system; reliability; failure mode; fault tree; 【摘要】 运用系统可靠性理论,结合集中空调系统的功能特点,建立了可靠性数学模型。在空调系统各组成单元故障模式分析的基础上,分别建立了集中空调系统和制冷系统的故障树。采用最小割集分析法确定了导致制冷系统失效的主要因素,提出了改善集中空调系统可靠性的途径。 【英文摘要】 Based on the reliability theory and the function analysis of central air conditioning systems (CACS), establishes a mathematic model of the system reliability. Analysing the failure modes of each component, constructs the fault trees of both CACS and refrigeration system. Finds out the main factors causing the refrigerating system failure by the minimal cut set analysis (MCSA). Proposes the measure to improve the reliability of CACS.