High temperature heat pump dedicated heat fetching device

The utility model discloses a heat collector specially used for a high-temperature heat pump, which comprises an evaporator, a compressor, an oil separator, a condenser and a thermal expansion machine which are subsequently connected by pipes in a circulating form to form a closed loop; the closed loop consisting of the evaporator, the compressor, the oil separator and the condenser is filled with non-azeotropic refrigerant; meanwhile, the evaporator is connected with a low-temperature fluid supply device; the condenser is connected with a high-temerature hot fluid device. The heat collector can convert the heat in the low-temperature hot fluid into the high-temperature hot fluid, so that the low-temperature hot fluid can be recycled.