The utility model discloses a portable intelligence heat sink, including casing, control box, radiator fan, temperature sensor and solar light panel, the control box includes programmable time controller, liquid crystal display module, button module, clock module, drive module and power module, the utility model discloses portable intelligence heat sink passes through temperature sensor real -time detection indoor substation ambient temperature, and programmable time controller reduces the interior equipment operation ambient temperature of indoor substation according to temperature signal control radiator fan break -make, ensures the safety of electrical equipment steady operation, the utility model discloses portable intelligence heat sink passes through button module setting -up time for radiator fan regularly moves, reduces the interior equipment operation environment temperature of indoor substation, ensures the safety of electrical equipment steady operation.