Automobile battery pack active protection device and automobile

The invention provides an automobile battery pack active protection device and an automobile. The protection device comprises a protection support, a front baffle plate, a detection device, an active protection assembly and a control module, the protection support is provided with a hole penetrating the front side surface and the rear side surface, one end of each of at least two spiral lead screws arranged in the hole is fixed on the front baffle plate, and the other end is connected with the active protection assembly; the detection device is used for detecting an obstacle located in front of the front baffle and sending detection information to the control module connected with the detection device when the obstacle is found or disappears; the control module is used for controlling the active protection assembly and starting the active protection assembly connected with the control module to push the front baffle to move forwards to block an obstacle when the received detection signal is an obstacle discov