Simulation test device for inspecting thermal runaway state of cylindrical lithium battery

The invention relates to a simulation test device for inspecting the thermal runaway state of a cylindrical lithium battery. The device comprises an array type battery connection module (3); the data acquisition module (1) is used for acquiring data generated when the array type battery connection module (3) works; the thermal runaway triggering module (2) is used for providing various thermal runaway triggering modes for the array type battery connection module (3); the thermal runaway environment simulation module is used for providing a thermal runaway environment for the array type battery connection module (3); the array type battery connection module (3) is located in the thermal runaway environment simulation module, and the data acquisition module (1) and the thermal runaway trigger module (2) are respectively in signal connection with the array type battery connection module (3). Compared with the prior art, the device has the function of quickly and freely connecting the batteries in series and in p