中文摘要：

设计了一种自发电的高空缓降救生器，该救生器具有体积小、重量轻、负载大、救援高度可达100m、安装方便等优点。其工作原理是利用多级齿轮实现增速传动，将人体下降时的速度传递给发电机并带动发电机转动发出电能，并通过功率热电阻转化成热能耗散，减少势能向动能的转化，从而实现高空缓降。根据人体正常重量，确定采用三级增速齿轮实现速度传递，设计计算了各级齿轮传动比，并利用Pro／E软件完成救生器的三维模型设计。该救生器可广泛应用在高层楼房等环境下发生火灾时的高空缓降逃生。

英文摘要：

A slow-down rescue apparatus with self power generation for high-rise buildings is designed,which is characterized with its small volume ,light weight,high load and convenient in installation with rescuing height up to 100m.The working principle of the rescue apparatus is to transmit velocity in the process of human body falling to the generator which will drive the generator to produces electricity by applying multi-grade speed-increasing gears.And then the electric energy is transmitted into thermal energy, which will be scattered into the air through the power thermal resistance in order to decrease the rate of potential energy transmitting into kinetic energy,and realize slow-down of the human body form high build- ings.A ccording to the normal load of human body,a tri-grade speed-increasing gear mechanism is designed to realize the transmitting of falling velocity,and calculate the transmitting rate of each gear group ,thus a 3-D model design of the rescue apparatus is finished by applying Pro/E software.It apparatus can be widely used in high-rise buildings for high altitude ramp down and escape when afire occurs.