System for carrying out aging heat test on direct current charging terminal of electric vehicle

The utility model discloses a system for carrying out aging heat test on direct current charging terminals of an electric automobile, which comprises a test host, N direct current charging terminals and a battery detection device, and is characterized in that each direct current charging terminal comprises a first input port, a second input port, a first output port and a second output port, the first output port and the second output port of the host are connected with the first output port and the second input port of the first direct current charging terminal, the first input port and the second input port of the ith direct current charging terminal are in short circuit, and the first input port of the ith direct current charging terminal is further connected with the first output port of the (i-1) th direct current charging terminal. Wherein i is a natural number greater than 1 and less than or equal to N. The first output port of the Nth DC charging terminal is connected with the input port of the batter