Air gap type solid-sealed polar pole performance test platform and test method considering extreme temperature

The invention relates to the technical field of electrical equipment testing, in particular to an air gap type solid-sealed polar pole performance testing platform and testing method considering extreme temperature. Wherein a built-in upper electrode and a built-in lower electrode of the air gap type solid-sealed polar pole are respectively connected with the first high-voltage test electrode and the second high-voltage test electrode; the power frequency voltage generator is connected with the first high-voltage test electrode through a high-voltage cable; the heat source is arranged on the side wall in the high-voltage test box; the temperature control device is connected with the heat source; the temperature monitoring device is arranged in the high-voltage test box; the weak current monitoring device is sleeved on the high-voltage cable; the data acquisition device is respectively connected with the temperature monitoring device and the weak current monitoring device; the upper computer is respectively co