Plastics optical fiber sensor

The utility model provides a plastics optical fiber sensor, it includes light source, photoelectric detector and plastic fiber, the alignment is connected and is kept to the one end of plastic fiber through first connecting piece and light source, the alignment is connected and keeps through the second connecting piece by the other end of plastic fiber with photoelectric detector, the surface of plastic fiber is equipped with the protective layer. Adopt the technical scheme of the utility model, simple structure, the precision is high, and good reproducibility, with low costs is fit for batchproduction, and can realize bending angle's measurement. 本实用新型提供了种塑料光纤传感器，其包括光源、光电探测器和塑料光纤，所述塑料光纤的端通过第连接件与光源连接并保持同轴性，所述塑料光纤的另端通过第二连接件与光电探测器连接并保持同轴性，所述塑料光纤的外表面设有保护层。采用本实用新型的技术方案，结构简单，精度高，重复性好、成本低，适合批量生产；而且可以实现弯曲角度的测量。