On-line broken yarn detection device for fan blade pultrusion plate

An online broken yarn detection device for a fan blade pultrusion plate comprises a detection profile, a detection channel for pultrusion yarns of the fan blade pultrusion plate to penetrate through is arranged on the detection profile, and a plurality of laser detection sensors are arranged on the detection profile at the detection channel. The transmitting part of the laser detection sensor is arranged on the detection profile on one side of the detection channel, and the receiving part of the laser detection sensor and the transmitting part of the laser detection sensor are symmetrically arranged on the detection profile on the other side of the detection channel. The yarn breakage detection device can rapidly detect whether the yarn is broken or not, is simple in structure and easy and convenient to operate, and facilitates reduction of the detection cost and the workload of workers. 一种风机叶片拉挤板材在线检测断纱装置，包括检测型材，在检测型材上设置有用于风机叶片拉挤板材拉挤纱线穿过的检测通道，在检测通道处的检测型材上设置有若干激光检测传感器，激光检测传感器的发射部分设置在检测通道一侧的检测型材上，激光检测传感器的接收部分与