Battery heat insulation calorimeter and cooling system

The utility model provides a battery heat insulation calorimeter and a cooling system. The battery heat insulation calorimeter comprises a device body, a heating assembly, a temperature acquisition device and a top cover, a placement groove is formed in the device body and is used for placing a to-be-detected battery; the heating assembly comprises a first heating piece, a second heating piece and a third heating piece, the first heating piece and the second heating piece are symmetrically arranged in the first direction relative to the containing groove, and the third heating piece is arranged around the first direction relative to the containing groove; the temperature acquisition device comprises a plurality of temperature sensors which are uniformly distributed along a first direction relative to the placing groove and are used for generating potential difference so as to collect temperature signals of different positions of the placing groove along the first direction; the top cover is connected with the