The utility model relates to an energy-saving environment-friendly welding helmet, which consists of a solar charger, an air filter, goggles and a health gauze mask. 一种节能环保电焊帽,本实用新型由太阳能充电器、空气过滤器、护目镜、卫生口罩组成。
Study on the response characteristics of liquid crystal light valve for welding goggles 焊接护目镜用液晶光阀响应特性研究