Device for testing heat transfer performance of single heat pipe

The utility model belongs to the technical field of heat transfer performance testing, and particularly relates to a heat transfer performance testing device for a single heat pipe, which comprises a detection chamber, a cooling water control component and a cold water tank, a water outlet port of the circulating pump is communicated with a cold water port of the heat pipe heat transfer performance test piece through a connecting pipe, the outer side of the cold water tank is linearly connected with a plurality of semiconductor chilling plates at equal intervals from left to right, and a temperature sensor for monitoring the temperature of cold water in the cold water tank in real time is embedded in the outer side of the cold water tank; the temperature sensor is used for monitoring the temperature of cold water in the cold water tank in real time, then detected data information is transmitted to the control end to control the circulating pump and the semiconductor chilling plate to work, the cold water reac