Optical fiber sensor for detecting weight of vehicle

The utility model discloses an optical fiber sensor for detecting the weight of a vehicle, and belongs to the field of sensors. The detection plate is used for being arranged on a road to bear vehicle load and bend, the optical fiber is used for transmitting light, the fiber bragg grating is arranged in the optical fiber, the fiber bragg grating is fixed on the detection plate, and bending of the detection plate caused by the vehicle load is detected through the fiber bragg grating. The optical fiber sensor for measuring the weight of the running vehicle is simple in structure and simple and convenient to install, and the problem of complex fixation of the reference optical fiber does not exist. 本实用新型公开了一种检测车辆重量的光纤传感器，属于传感器领域。包括用于设置在道路上以承受车辆载荷并弯曲的检测板、传输光的光纤和设置在所述光纤中的光纤布拉格光栅，所述光纤布拉格光栅固定在所述检测板上,通过所述光纤布拉格光栅检测所述检测板因车辆载荷而产生的弯曲。本实用新型的测量行驶中的车辆重量的光纤传感器结构简单，不存在基准光纤固定复杂的问题，安装简便。