Long-time-sequence ultrahigh-acceleration electric heating CO2 accelerating device and control method thereof

The invention belongs to the technical field of impact tests, and discloses a long-time-sequence ultrahigh-acceleration electric heating CO2 acceleration device and a control method thereof, and the long-time-sequence ultrahigh-acceleration electric heating CO2 acceleration device comprises an ultrahigh-pressure CO2 gas generator, a quick-response pressure relief device, an accelerated object and a launch canister which are connected in sequence. The quick-response pressure relief device comprises a pressure regulating chamber, two ends of the pressure regulating chamber are respectively connected with the ultrahigh-pressure CO2 gas generator and an accelerated object, a diaphragm is arranged between the pressure regulating chamber and the ultrahigh-pressure CO2 gas generator, a pressure limiting piece is arranged between the pressure regulating chamber and the accelerated object, a pressure storage gas tank is connected to the side surface of the pressure regulating chamber, and the pressure storage gas tank