水上个体救生具的概念、种类和结构分析

Analysis on Concept, Classification and Structure of Personal Life Preservers on Water

水上个体救生具是指随身携带、供个体使用的一种在紧急状况下可以提供浮力以使落水者漂浮在水面上的水上救生工具 ,具有安全漂浮、营救、适体和保暖等基本性能。水上个体救生具根据用途、结构和浮力材料的不同有不同的分类 ,同时材料性能优化、结构适体和属具集成是其发展趋向。

Personal life preservers on water are a kind of appliance, which can be conveniently applied by oneself providing buoyancy in emergency to support body afloat on water. They have some basic performances such as safe floating, rescuing, fitting and keeping warm. According to their uses, structures and buoyancy materials, personal life preservers on water can be divided into different varieties. Their developing trend depends on the optimization of the specification of materials used, well-designed structures and integration of accessories.