Noise detector with protection assembly

The utility model discloses a noise detector with a protection assembly, which relates to the technical field of noise detectors and comprises a protection shell, a detector body is fixedly arranged in an inner cavity of the protection shell, a sliding plate is movably arranged on one side of the protection shell, one side of the sliding plate extends to the outer side of the protection shell and is fixedly provided with a push-and-pull plate, and the push-and-pull plate is fixedly connected with the protection shell. According to the noise detector with the protection assembly provided by the utility model, the insertion block is completely inserted into the insertion groove, so that the fixed block is driven to be extruded into the fixed groove under the springback of the spring, and the fixed block is fixed in the fixed groove through the fixed plate, so that the noise can be effectively detected, and the noise can be effectively detected. According to the noise detection device, the push-and-pull plate is