| 摘要 |
PURPOSE:To provide an automatic device for opening and closing a rolling up sheet of a vinyl house capable of simply performing the temperature controlling operations of the vinyl house at a low cost of the device itself. CONSTITUTION:This automatic device for opening and closing a rolling up sheet of a vinyl house is equipped with a flexible shaft 17 connected to one end of a rolling bar 13, a rotation driving source 18 connected to the other end of the flexible shaft 17, a temperature sensor 19 arranged in the vinyl house 11 and a controller 20 for inputting the temperature value of the temperature sensor 19, operating the rotation driving source 18 and controlling the atmospheric temperature in the vinyl house 11 within a prescribed range. |
