Pipe cap assembly

The utility model belongs to the technical field of sensors, and discloses a pipe cap assembly, the pipe cap assembly comprises a pipe cap, an optical filter, conductors and a sealing ring, the top of the pipe cap is provided with a window, the optical filter is arranged in the pipe cap and covers the window, a plurality of conductors are arranged between the optical filter and the pipe cap, the optical filter is electrically conducted with the pipe cap through the conductors, and the sealing ring is arranged in the window. The multiple sealing rings are arranged in one-to-one correspondence with the electric conductors, and the sealing rings wrap the electric conductors. According to the pipe cap assembly provided by the utility model, the optical filter is electrically conducted with the pipe cap through the conductor, so that the anti-electromagnetic interference performance of a sensor configured with the pipe cap assembly can be effectively enhanced, and the sensor configured with the pipe cap assembly i