| 摘要 |
PURPOSE: A house-type heating apparatus is provided to obtain optimum heating with minimum costs while allowing a user to easily install and remove the device. CONSTITUTION: A lift(2) is fixed to the rooftop support pipe inside a greenhouse. A main frame(4) is connected to a lead wire(3) to be descended and ascended. A horizontal cover assembly(10) has a aluminium screen(5) which is installed in both sides of the main frame and is foldable. A vertical cover assembly(20) a aluminium screen(6) which is installed in the end of the horizontal cover assembly and is foldable. A heater(7) is installed in lower of the horizontal cover assembly and a controller controls a horizontal cover assembly, a vertical cover assembly, and the heater. |
