Sensor

The utility model relates to the technical field of electronic equipment, in particular to a sensor, which comprises a thermosensitive assembly, a fixing sleeve, a top shell, a fixing cover and insulation paste, the thermosensitive assembly is arranged inside the fixing sleeve, the fixing sleeve is provided with a fixing sleeve buckling claw, the top shell is provided with an open hole, the top shell is arranged above the fixing sleeve, the fixing sleeve buckling claw is matched with the open hole, and the fixing cover is arranged on the fixing sleeve. The fixing cover is provided with an inner hole, two clamping jaws are arranged on the two sides of the inner hole, the fixing sleeve is further provided with two sliding ways and two guide grooves, the fixing cover is arranged on the outer surface wall of the fixing sleeve in a sleeving mode, each clamping jaw is located in the corresponding sliding way, the space between the fixing sleeve and the top shell is filled with the insulation paste, and the thermal