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分析了沉浸式和非沉浸式冷凝换热器应用在空气能热泵热水器中的优缺点;在产品研发阶段,A.O.史密斯选用更为可靠耐用的非沉浸式冷凝换热器。通过试验分析,冷凝换热管的管道阻力成为影响空气能热泵热水器能效提高的瓶颈。基于空气能热泵热水器普遍使用单管绕制于水箱内胆外壁技术,A.O,史密斯将冷凝换热器改进为双管并绕于水箱内胆外壁设计,由此开发出一款稳定性高、更加高效节能的空气能热泵热水器。
The advantages and disadvantages of using immersed and non-immersing condensing heat exchangers in air-to-water heat pump water heaters are analyzed. In the product development stage, A.O. Smith selects a more reliable and durable non-immersing condensing heat exchanger. Through experimental analysis, the pipe resistance of the condensing heat exchange tube becomes the bottleneck that affects the energy efficiency of the air-to-heat pump water heater. Air-based heat pump water heaters commonly used in single-tube winding in the tank liner wall technology, AO, Smith will be improved condensing heat exchanger double pipe and around the outer tank wall design, which developed a high stability and more Energy efficient air to heat pump water heater.