现代高层民用建筑的卫生间,特别是宾馆客房卫生间的通风设施,一般都在对应卫生间的屋顶层分别设置抽风机以排除其秽气。以往抽风机通常采取在某一值班室集中控制或在每个卫生间分散控制的方式。但前者使用不便,后者线路增多,既不经济又不 The toilets of modern high-rise civil buildings, especially the ventilation facilities of the hotel rooms and toilets, are generally provided with exhaust fans at the corresponding roof of the bathroom to eliminate the helium. In the past, a suction fan was usually used in a duty room centralized control or distributed control in each bathroom. However, the former is inconvenient to use, the latter has more lines, neither economic nor