The operating principle of a solar-energy semiconductor refrigeration dew fall-based water collector from air with a heat regenerator is suggested and an expression of the water collection rate is given.

• 提出了带有回热器的太阳能半导体制冷结露法空气取水器的工作原理；得出了其取水率的表达式；并根据实际的工作条件；对这种取水器的取水率进行了数值模拟计算和分析.