Research on Key Parameters of Building Load Model for Dynamic Performance Measurement of Air Conditioner

Gao Yuping; Wen Chengyu; Shi Wenxing; Han Xing; Cheng Jianhong; Cai Ning; Wang Chao; Yang Zixu

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Research on Key Parameters of Building Load Model for Dynamic Performance Measurement of Air Conditioner

更新时间：2025-06-27

- Research on Key Parameters of Building Load Model for Dynamic Performance Measurement of Air Conditioner
- Journal of refrigeration (2025)
- 作者机构：
  
  1.广东美的制冷设备有限公司，广东佛山，528311
  2.清华大学建筑技术科学系，北京，100084
  3.中国标准化研究院，北京，100191
  4.中家院(北京)检测认证有限公司，北京，100176
  5.北京中家智锐智能装备科技有限公司，北京，100037
  6.北京科技大学能源与环境学院，北京，100083
- 作者简介：
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Gao Yuping, Wen Chengyu, Shi Wenxing, et al. Research on Key Parameters of Building Load Model for Dynamic Performance Measurement of Air Conditioner[J/OL]. Journal of refrigeration, 2025.
DOI：

Gao Yuping, Wen Chengyu, Shi Wenxing, et al. Research on Key Parameters of Building Load Model for Dynamic Performance Measurement of Air Conditioner[J/OL]. Journal of refrigeration, 2025. DOI：

摘要

鉴于实验室稳态工况测量无法充分反映空调器的真实性能问题，基于虚拟建筑的房间空调器动态性能测量已成为当前的研究热点。本文通过模拟仿真和模型分析方法，确定了房间空调器性能动态测量关键参数：建筑的负荷点、0负荷点、热冷比、显热比、选型系数和房间有效热容和湿容，并通过实验验证了动态性能测量方法的可行性。结果显示，适用于我国平均建筑的房间空调器的选型系数制冷季可取1.33，对于安装1hp空调的房间（12-20㎡），房间有效热容为240-300 kJ/K，湿容为50-100kg，基于上述参数在实验室对1.5hp空调器性能进行动态测试，发现动态能效较稳态能效下降31.8%，能更真实地反映空调器的真实性能。

Abstract

Given that the steady-state condition measurement in the laboratory cannot fully reflect the actual performance issues of air conditioners

the dynamic performance measurement of room air conditioners based on virtual buildings has become a current research hotspot. This paper determines the key parameters for the dynamic performance measurement of room air conditioners through simulation and model analysis methods: the load point of the building

the zero-load point

the heat and cold ratio

the sensible heat ratio

the selection coefficient

and the effective heat capacity and moisture capacity of the room. Through experiments

the feasibility of the dynamic performance measurement method has been verified. The results show that for room air conditioners applicable to the average buildings in China

the selection coefficient for cooling season can be taken as 1.33. For rooms with an installation capacity of 1hp air conditioner (12-20㎡)

the effective heat capacity is 240-300 kJ/K

and the moisture capacity is 50-100 kg. Based on the above parameters

the dynamic performance test of a 1.5hp air conditioner was conducted in the laboratory

and it was found that the dynamic energy efficiency decreased by 31.8% compared with the steady-state energy efficiency

which can more accurately reflect the actual performance of the air conditioner.

关键词

Keywords

references

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