| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a temperature controlling device in a greenhouse, facilitating temperature control in soil, and achieving energy saving. <P>SOLUTION: The temperature controlling device 50 in a greenhouse includes a greenhouse 8 arranged in a standing condition on soil and shading an inner space from outside air, and temperature controlling equipments 52 controlling an air temperature in the greenhouse 8 and a soil temperature in the greenhouse 8. The temperature controlling equipments 52 include an air duct 5 buried in soil, a temperature controlling tube 6 arranged in the air duct 5 and heating or cooling air in the air duct 5, an inlet fan 4 set on an inlet port of the air duct 5 and inhaling air in the greenhouse 8 into the air duct 5, a heat exchanger 7 set on an exhaust port of the air duct 5 and performing heating or cooling by transferring heat between two fluid bodies through a partition of the temperature controlling tube 6, and an exhaust fan 9 set closely contacting the heat exchanger 7 and discharging air in the air duct 5 into the greenhouse 8. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
