| 摘要 |
PURPOSE:To control growth environment of plant in a room of an ordinary home with a little noise, safely, in high accuracy and economically by detachably equipping the outside of a transparent box with a warm material having a metallic foil or metallic film on the surface. CONSTITUTION:Small-sized fans 1 and 1' are set in a transparent box 7 in such a way that air is sent through a storage part 6 equipped with a temperature regulator 3 such as heater, air in the box 7 is always continuously circulated, temperature in the box 7 is measured by a temperature sensor 2 and the temperature regulator 3 is controlled by a controller 5 based on difference between a set value set by the controller 5 and output of the sensor 2. Then a warm material 8 having a metallic foil or metallic film 8a on the surface is detachably laid on the outside of a plant growing device of small size. |
