流体机械

2010, v.38;No.451(01) 72-74+80

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低温强热型空气源热泵热水器试验研究
Experiment of Low Temperature Heat-flash Type Air Source Heat Pump Water Heater

陈骏骥;杨昌仪;蔡佰明;
CHEN Jun-ji,YANG Chang-yi,CAI Bai-ming(Guangdong Cheery Air Conditioner Manufacturing Co.,Ltd.,Shunde 528313,China)

摘要(Abstract):

采用中间喷射的涡旋热泵热水器专用压缩机及带经济器的系统设计,构成低温喷气增焓热泵热水器试验系统。试验结果表明:该系统能在-20~43℃环境下正常运行,制取65℃较高温度的热水。系统在环境温度高于20℃,且最高出水温度达到65℃时,能效比(COP)在3.4以上;在-15℃环境温度下COP依然能够保持在2.0以上;在-7℃~7℃段制热能力比目前常规热泵系统提高21%~28.9%。有效地扩大了(非二氧化碳)热泵系统的气候适应范围。
Adopting the mid-injection compressor that exclusive for scroll type heat pump water heater and the designed system with economized equipment,to form a low-temperature Economized Vapor Injection heat pump water heater experimental system.The experiment results shows that this system could operate normally at ambient temperature-20 ℃ to 43 ℃,and be able to produce 65 ℃ hot water.When this system operate at an ambient temperature more than 20 ℃,and the hightest outlet water reachs 65 ℃,the COP could be and even more than 3.4;the COP of system still maintained at 2.0 even at ambient temperature-15 ℃;when operating at-7~7℃,the heating capacity could increase 21% ~ 28.9% compare to the conventional heat pump system.It efficiently enlarge the acclimation scope of heat pump system(Non-Carbon Dioxide).

关键词(KeyWords): 空气源热泵;喷气增焓;热水器;能效比(COP)
air-source heat pump;economized vapor Injection;water heater;coefficient of performance(COP)

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作者(Author): 陈骏骥;杨昌仪;蔡佰明;
CHEN Jun-ji,YANG Chang-yi,CAI Bai-ming(Guangdong Cheery Air Conditioner Manufacturing Co.,Ltd.,Shunde 528313,China)

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