Active cooled room temperature for a current lead terminal

The present invention discloses an active-cooled current lead terminal for a room, comprising a terminal copper, water-cooled plate, helium-cooled mandrel, the vacuum pumping port, the measuring line outlet. An array of copper vias for connecting the terminal power supply busbar; water-cooled copper plate with a curved end incorporated a water-cooled surface side flow passage arrangement; Helium Helium mandrel flow passage groove cutting processing of radiating array, with copper brazing terminal ; vacuum pumping port, an outlet line is connected with the interior of the copper current lead terminal measures communication vacuum chamber. The structural stability room temperature of the terminal & lt; 310K.