技术中心

【英文篇名】 Experimental research on commercial digital VRF multi-connected units with sub-cooled ice storage system 【作者中文名】 肖洪海; 黄玉优; 樊华云; 沈军; 【作者英文名】 Xiao Honghai Huang Yuyou Fan Huayun Shen Jun Refrigeration Academy of Gree Electric Appliances; Inc.of Zhuhai; Zhuhai; Guangdong Province; China; 【作者单位】 珠海格力电器股份有限公司制冷技术研究院; 【文献出处】 暖通空调, Heating Ventilating 制冷循环; 蓄能机组; 多联机组; 【英文关键词】 sub-cooled; refrigeration cycle; energy storage unit; multi-connected unit; 【摘要】 根据大过冷度制冷循环原理,开发了新型商用数码多联机组并在样机上进行了实验研究。新机组能够在蓄冰、释冷、常规制冷、蓄热、释热与常规热泵6种模式下运行;低谷蓄冰模式运行时间约8 h,能够蓄存378 MJ冷量,铜管外结冰厚度为35 mm;能够保证系统融冰供冷8 h,冷量增加约30%左右;能够运行蓄热与释热模式,在释热模式下,由于蒸发温度提高,可以有效缓解结霜现象。 【英文摘要】 According to the high sub-cooled refrigeration cycle theory,develops a commercial digital multiple variable refrigerant flow rate air conditioning system and carries experimental research on a model machine which proves to be operating under the following six modes:ice charging,ice discharging,normal refrigerating,heat charging,heat discharging and heat pump operation.The period of the ice charging operation is about 8 hours,378 MJ of cool storage capacity is achieved and the ice thickness of out surface of...