| 摘要 |
PURPOSE: Photovoltaic power generating equipment is provided to reduce maintenance costs by installing a foldable cleaning device which is controlled by water pressure. CONSTITUTION: In photovoltaic power generating equipment, a foldable cleaning device(1) receives water and sprays it on a photovoltaic module. The foldable cleaning device is composed of a first cylindrical member(10A) and a second cylindrical member(10B) which have different diameter. A cap(20) is arranged on the top of the second cylindrical member, and the first protrusion(14) is formed on the first cylindrical member. The bottom internal side of the first cylindrical member is closed and water pressure delivery part of a mesh is installed on the side of the first cylindrical member. A protrusion is formed on the side of the water pressure delivery part so that the water pressure delivery part is separated from the bottom internal side of the first cylindrical member. A flexible member(30) is closely connected within the cap and keeps confidentiality between cap and the cylindrical member. |
