突发火灾时,由于房间门口和楼梯口被浓烟封锁,窗户成为首选的逃生通道。然而,时常有因为跳窗逃生摔伤或致死的事件发生。专业的逃生装置价格昂贵,操作复杂,难以在普通办公场所和家庭推广,遇到火灾时常常因为未能找到有效的逃生工具而造成生命财产的损失。安徽省阜阳市颍上县 In a sudden fire, the window became the preferred escape route due to the blockade of the smoke in the doorway and stairwell of the room. However, there are often occasional falls or death due to the jump window escape. Professional escape device is expensive, complex operation, difficult to promote in ordinary office space and family, in case of fire, often resulting in loss of life and property due to failure to find effective escape tools. Yingshang County, Fuyang City, Anhui Province