综合部分负荷性能系数测量不确定度分析  

Test uncertainty of integrated part load value(IPLV)

作　　者：石竹青 陈欣 任道一 陈海 宁锐 包继虎 Shi Zhuqing;Chen Xin;Ren Daoyi;Chen Hai;Ning Rui;Bao Jihu(Hefei General Machinery Research Institute Co.,Ltd.)

机构地区：[1]合肥通用机械研究院有限公司

出　　处：《制冷与空调》2024年第11期41-46,共6页Refrigeration and Air-Conditioning

基　　金：国家重点研发计划(2020YFF0218600)资助项目。

摘　　要：利用间接测量量的不确定度理论,建立空调产品综合部分负荷性能系数(IPLV)合成不确定度计算模型,以某型号低环境温度空气源热泵(冷水)机组为例,对其IPLV测量结果的测量不确定度进行分析,结果表明:功率测量引入的B类标准不确定度对IPLV的影响较大,其次是进/出水温度和水流量测量因素,IPLV的A类标准不确定度对合成标准不确定度的影响可以忽略;空调产品IPLV的测试需要重点关注仪器仪表的精度,较高精度的仪器仪表能够有效降低空调产品IPLV的测量不确定度。Based on the uncertainty theory of indirect measurement quantity,the uncertainty calculation model of integrated part load value(IPLV)of air-conditioning products is established.The uncertainty of IPLV measurement is analyzed based on a low ambient temperature air source heat pump(water chilling)packages.The results show that Type B standard uncertainty from power measurement has a greater influence on IPLV,followed by inlet and outlet water temperature measurement and water flow measure-ment.The influence of the Type A standard uncertainty of IPLV on the combined standard uncertainty can be neglected.In the IPLV measurement of air-conditioning products,it should pay more attention on the accuracy of instrumentation,as higher accuracy of instrumentation can effectively reduce the measurement uncertainty of IPLV of air-conditioning products.

关 键 词：热泵(冷水)机组 综合部分负荷性能系数 功率 不确定度 

分 类 号：TU8[建筑科学]