开闭立风车的主要用途，它是把有力的风能转变成电能等。应用在家庭、村庄、城市等等地方，它可以做成小型的供家庭用电，大型的供村庄、工厂用电，它的投资可大可小，非常灵活。开闭立风车，不管是东西南北风都可以使风车转动。它的构造是立式的，有四个风叶，都是垂直迎风， The main purpose of opening and closing vertical windmills, it is a powerful wind energy into electricity and so on. Applications in homes, villages, cities, etc., it can be made small for household electricity, large for the village, the factory electricity, its investment can be large and small, very flexible. Open and close the windmill, regardless of east-west wind can make the windmill rotation. Its structure is vertical, with four blades, are vertical upwind,